High recycled content beverage end stock

An aluminum alloy composition with a high recycled content, including recycled and non-recycled materials, addresses the challenge of achieving formability and strength in beverage can ends, ensuring sustainable production.

JP2025541847APending Publication Date: 2025-12-23KAISER ALUMINUM WARRICK LLC
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Patent Information

Application Number
JP2025533644
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Priority Date
2023-12-07
Filing Date
2023-12-08
Publication Date
2025-12-23

AI Technical Summary

Technical Problem

Existing aluminum alloys used in beverage cans face challenges in achieving the necessary balance of formability and strength while incorporating high recycled content, often due to impurities and varying alloy compositions in recycled materials.

Method used

An aluminum alloy composition is developed comprising a first component of recycled materials, a second component of non-recycled materials, and optionally a third component of mill scrap, with a recycled content of at least 30%, which includes prime aluminum and alloying elements, silicon, and optionally alloying elements, silicon, and optionally a third component of mill scrap, to achieve the required formability and strength for beverage can ends.

Benefits of technology

The solution enables the production of aluminum alloy sheets with high recycled content that meet the formability and strength requirements for beverage can ends, enhancing the sustainability of aluminum alloy production.

✦ Generated by Eureka AI based on patent content.

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Abstract

The aluminum alloy sheet includes an aluminum alloy composition. The aluminum alloy composition includes a first component including recycled materials and a second component including non-recycled materials. The aluminum alloy composition has a recycled content of at least 30%. Aluminum alloy compositions, methods for manufacturing aluminum alloy sheets, methods for manufacturing aluminum alloy packages, and methods for manufacturing aluminum alloy compositions are also provided.
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Description

[Technical Field]

[0001] This application claims priority to U.S. Provisional Application No. 63 / 431,484, filed December 9, 2022, and U.S. Patent Application No. 18 / 531,893, filed December 7, 2023, the disclosures of which are incorporated by reference in their entireties into this application.

[0002] The present invention relates to an aluminum alloy composition having at least 30% recycled content, an aluminum alloy sheet made from the aluminum alloy composition having at least 30% recycled content, and methods of making the aluminum alloy sheet, the aluminum alloy composition, and aluminum alloy packaging, such as beverage can ends. [Background technology]

[0003] Aluminum alloys are widely used in the manufacture of aluminum containers, such as beverage cans and beverage ends. These aluminum alloys must have sufficient formability and strength to withstand the final aluminum container forming process, the beverage handling process within the container, and distribution.

[0004] Aluminum containers and aluminum scrap from industrial processes can be recycled and reused in the production of other aluminum products. For example, used beverage can (UBC) scrap is aluminum scrap recovered from used beverage cans and may contain a mixture of different aluminum alloys. Aluminum scrap from industrial processes, such as construction, transportation, and printing processes, can also be recycled. Like UBC, scrap from industrial processes may also contain a mixture of different aluminum alloys. UBC and aluminum scrap from industrial processes can be blended, processed, melted, and used to manufacture new aluminum products. However, this aluminum scrap may contain impurities and / or undesirable amounts of alloying elements. Summary of the Invention

[0005] The aluminum scrap can be combined with sufficient amounts of prime aluminum and alloying elements to achieve the appropriate balance of alloying content, material strength, and formability. It is desirable to produce aluminum alloy compositions using large amounts of aluminum scrap material and small amounts of prime aluminum and alloying elements that can be used to form aluminum alloy sheet that meets the formability and strength requirements necessary for the manufacture and processing of beverage can ends.

[0006] The present invention relates to an aluminum alloy sheet. The aluminum alloy sheet includes an aluminum alloy composition. The aluminum alloy composition includes a first component including recycled materials, a second component including non-recycled materials, and an optional third component including mill scrap. The aluminum alloy composition has a recycled content of at least 30%.

[0007] The present invention relates to an aluminum alloy sheet. The aluminum alloy sheet includes an aluminum alloy composition. The aluminum alloy composition includes a first component including recycled materials, a second component including non-recycled materials, and an optional third component including mill scrap. The aluminum alloy composition has a recycled content of at least 30%. The aluminum alloy sheet is a coated aluminum alloy sheet.

[0008] The present invention also relates to an aluminum alloy composition comprising a first component comprising recycled materials, a second component comprising non-recycled materials, and an optional third component comprising mill scrap, wherein the aluminum alloy composition has a recycled content of at least 30%.

[0009] The present invention also relates to a method of producing an aluminum alloy sheet, the method comprising the steps of providing an aluminum alloy composition, the aluminum alloy composition comprising a first component comprising recycled material, a second component comprising non-recycled material, and an optional third component comprising mill scrap, wherein the aluminum alloy composition has a recycled content of at least 30%; casting the aluminum alloy composition to produce an aluminum alloy ingot; and rolling the aluminum alloy ingot to produce an aluminum alloy sheet.

[0010] The present invention also relates to a method of producing an aluminum alloy sheet, the method comprising the steps of providing an aluminum alloy composition, the aluminum alloy composition comprising a first component comprising recycled material, a second component comprising non-recycled material, and an optional third component comprising mill scrap, wherein the aluminum alloy composition has a recycled content of at least 30%; casting the aluminum alloy composition to produce an aluminum alloy ingot; rolling the aluminum alloy ingot to produce an aluminum alloy sheet; and coating the aluminum alloy sheet to form a coated aluminum alloy sheet.

[0011] The present invention also relates to a method of manufacturing an aluminum alloy package, the aluminum alloy package being a beverage can end, comprising the steps of obtaining an aluminum alloy sheet, the aluminum alloy sheet comprising an aluminum alloy composition including a first component comprising recycled material, a second component comprising non-recycled material, and an optional third component comprising mill scrap, the aluminum alloy composition having a recycled content of at least 30%; and forming the aluminum alloy sheet into the aluminum alloy package.

[0012] The present invention also relates to a method of manufacturing an aluminum alloy package, the aluminum alloy package being a beverage can end, comprising the steps of obtaining an aluminum alloy sheet, the aluminum alloy sheet comprising an aluminum alloy composition including a first component including recycled material, a second component including non-recycled material, and an optional third component including mill scrap, the aluminum alloy composition having a recycled content of at least 30%; coating the aluminum alloy sheet to form a coated aluminum alloy sheet; and forming the coated aluminum alloy sheet into the aluminum alloy package.

[0013] The present invention also relates to a method of producing an aluminum alloy composition, the method comprising the steps of obtaining a first component, the first component comprising recycled materials, obtaining a second component, the second component comprising non-recycled materials, melting the first component, melting the second component, and mixing the first and second components to form an aluminum alloy composition, the aluminum alloy composition having at least 30% recycled content.

[0014] The present invention also relates to a method of producing an aluminum alloy composition, the method comprising the steps of obtaining a first component, the first component comprising recycled material, obtaining a second component, the second component comprising non-recycled material, and optionally obtaining a third component, the third component (if present) comprising mill scrap, melting the first component, melting the second component, melting the third component (if present), and mixing the first component, the second component, and the third component (if present) to form an aluminum alloy composition, wherein the aluminum alloy composition has a recycled content of at least 30%. DETAILED DESCRIPTION OF THE INVENTION

[0015] It should be understood that the present invention is susceptible to various alternative orientations, and therefore such terms should not be construed as limiting. Furthermore, all numerical values ​​used in the specification and claims, expressing dimensions, physical properties, processing parameters, amounts of ingredients, reaction conditions, and the like, should be understood to be modified in all instances by the term "about." Thus, unless otherwise indicated, the numerical values ​​set forth in the specification and claims may vary depending on the desired properties sought by the present invention. At a minimum, and without limiting the application of the doctrine of equivalents to the claims, each numerical value should be interpreted by at least considering the number of reported significant digits and applying ordinary rounding techniques. Furthermore, all ranges disclosed herein should be understood to include the beginning and end values ​​of the range, and all subranges subsumed therein. For example, a range "1 to 10" should be interpreted to include all subranges between (and including) the minimum value of 1 and the maximum value of 10, i.e., all subranges beginning with a minimum value of 1 or more and ending with a maximum value of 10 or less, e.g., 1 to 3.3, 4.7 to 7.5, 5.5 to 10, etc. "A" or "an" refers to one or more.

[0016] References herein are made to alloys identified by aluminum industry designations such as "series" or "5xxx." For the numbering systems most commonly used to name and identify aluminum and its alloys, see "International Alloy Designations and Chemical Composition Limits for Wrought Aluminum and Wrought Aluminum Alloys," published by the Aluminum Association. Tempers referred to herein shall be as defined in "American National Standard Alloy and Temper Designation System for Aluminum ANSI H35.1."

[0017] The present invention relates to an aluminum alloy sheet. The aluminum alloy sheet comprises an aluminum alloy composition including a first component including recycled materials and a second component including non-recycled materials. The aluminum alloy composition has a recycled content of at least 30%.

[0018] The aluminum alloy composition used to form the aluminum alloy sheet may further include a third component, including mill scrap. The amount of the third component is not included in determining the recycled content.

[0019] The present invention also relates to a coated aluminum alloy sheet, which may be coated on both sides. The coated aluminum alloy sheet comprises an aluminum alloy composition having a first component including recycled materials and a second component including non-recycled materials. The aluminum alloy composition has a recycled content of at least 30%.

[0020] The aluminum alloy composition used to form the coated aluminum alloy sheet may further contain a third component, including mill scrap. The amount of the third component is not included in determining the recycled content.

[0021] The present invention also relates to an aluminum alloy composition comprising a first component comprising recycled materials and a second component comprising non-recycled materials, the aluminum alloy composition having a recycled content of at least 30%.

[0022] The aluminum alloy compositions described herein may consist essentially of a first component and a second component. The aluminum alloy compositions described herein may consist of a first component and a second component.

[0023] The aluminum alloy composition may further include a third component, including mill scrap. The amount of the third component is not included in determining the recycled content.

[0024] The aluminum alloy composition has a recycled content. As used herein, "recycle content" is a percentage calculated by dividing the mass of a first component by the sum of the masses of the first and second components. The recycled content does not include the mass of a third component.

[0025] The recycled content of the aluminum alloy composition may be at least 30%, e.g., at least 35%, at least 40%, at least 45%, at least 50%, at least 55%, at least 60%, at least 65%, at least 70%, at least 75%, at least 80%, at least 85%, at least 90%, at least 95%, or 100%. The recycled content of the aluminum alloy composition may be 95% or less, e.g., 90% or less, 85% or less, 80% or less, 75% or less, or 70% or less.

[0026] The recycled content of the aluminum alloy composition may be 30% to 95%, e.g., at least 30% to 90%, 30% to 85%, 30% to 80%, 30% to 75%, 30% to 70%, 35% to 95%, 35% to 90%, 35% to 85%, 35% to 80%, 35% to 75%, 35% to 70%, 40% to 95%, 40% to 90%, 40% to 85%, 40% to 80%, 40% to 75%, 40% to 70%, 45% to 95%, 45% to 90%, 45% to 85%, 45% to 80%, 45% to 75%, 45% to 70%, 50% to 95%, 50% to 90%, 50% to 85%, 50% to 80%, 50% to 75%, 50% to 70%, 55% to 95%, 55% to 90%, 55% to 85%, 55% to 80%, 55% to 75%, 55% to 70%, 60% to 95%, 60% to 90%, 60% to 85%, 60% to 80%, 60% to 75%, 60% to 70%, 65% to 95%, 65% to 90%, 65% to 85%, 65% to 80%, 65% to 75%, 65% to It can be in the range of 70%, 70% to 95%, 70% to 90%, 70% to 85%, 70% to 80%, 70% to 75%, 75% to 95%, 75% to 90%, 75% to 85%, 75% to 80%, 80% to 95%, 80% to 90%, 80% to 85%, 85% to 95%, 85% to 90%, or 90% to 95%.

[0027] The first component recycled material can include one or more of the 5xxx series aluminum alloys recovered as scrap. For example, the first component recycled material can include, but is not limited to, Scrap Aluminum Association (AA) 5x54, such as scrap AA5154, scrap AA5254, scrap AA5354, scrap AA5454, scrap AA5554, scrap AA5654, scrap AA5754, scrap AA5854, or scrap AA5954; scrap AA5457; scrap AA5085; scrap AA5083; scrap AA5086; scrap AA5052; scrap AA5352; scrap AA5182; scrap AA5042; scrap AA5086; and combinations thereof. The recycled materials of the first component may include, but are not limited to, remelted scrap ingots (RSI); post-industrial scrap; pre-consumer scrap; post-consumer scrap; Class I scrap; Class II scrap; Class III scrap; Class IV scrap; used beverage cans (UBC); and combinations thereof. The first component recycled material can include scrap AA5x54, e.g., scrap AA5154, scrap AA5254, scrap AA5354, scrap AA5454, scrap AA5554, scrap AA5654, scrap AA5754, scrap AA5854, or scrap AA5954; scrap AA5457; scrap AA5085; scrap AA5083; scrap AA5086; scrap AA5052; scrap AA5352; scrap AA5182; scrap AA5042; scrap AA5086; RSI; post-industrial scrap; pre-consumer scrap; post-consumer scrap; Class I scrap; Class II scrap; Class III scrap; Class IV scrap; used beverage cans (UBC); and combinations thereof. The first component recycled material can include UBC.

[0028] As used herein, "post-industrial scrap" refers to aluminum and aluminum alloy waste generated from industrial processes. For example, post-industrial scrap may be recovered from external metal processing facilities or external metal fabrication facilities. Post-industrial scrap may include aluminum sheet, cast aluminum products, aluminum wire, and other aluminum materials. Post-industrial scrap may include RSI, Class I scrap, Class II scrap, Class III scrap, and Class IV scrap. As used herein, "pre-consumer scrap" refers to aluminum and aluminum alloy scrap generated during various stages of aluminum or aluminum alloy product manufacturing before the aluminum or aluminum alloy product is sold to an end user. Pre-consumer scrap may include Class I scrap, Class II scrap, Class III scrap, and Class IV scrap. As used herein, "Class I scrap" refers to clean body stock of the 3xxx series type, which may include skeletons and trim, slitter bowls and trim, and undecorated cans and cups. "Class II scrap," as used herein, refers to 5xxx series alloys and may include skeletons and trim, slitter balls and trim, defective uncompounded ends, defective cans and cups, skeletons and particles of tab stock, and sheets of lithographic misprints. "Class III scrap," as used herein, refers to defective decorated cans of the AA3xxx series type. "Class IV scrap," as used herein, refers to defective compounded ends of the 5xxx series type.

[0029] As used herein, "post-consumer scrap" refers to aluminum and aluminum alloys used in products that have completed their life cycle. Post-consumer scrap can be collected, for example, from recycling facilities and can include, but is not limited to, aluminum packaging materials, painted aluminum building materials, aluminum food containers, aluminum beverage containers, or combinations thereof. Post-consumer scrap includes UBCs. As used herein, "UBCs" refers to aluminum coated or uncoated packaging materials collected and sorted at recycling facilities, including cans that have been used by consumers and have had their beverage or food contents removed.

[0030] Scrap AA5x54, for example, scrap AA5154, scrap AA5254, scrap AA5354, scrap AA5454, scrap AA5554, scrap AA5654, scrap AA5754, scrap AA5854, or scrap AA5954; scrap AA5457; scrap AA5085; scrap AA5083; scrap AA5086; scrap AA5052; scrap AA5352; scrap AA5182; scrap AA5042; scrap AA5086; RSI; post-industrial scrap; pre-consumer scrap; post-consumer scrap; Class I scrap; Class II scrap; Class III scrap; Class IV scrap; UBC; and combinations thereof can be melted and mixed to form the first component.

[0031] The second component comprises non-recycled materials, which may include, but are not limited to, prime aluminum, alloying elements, or combinations thereof.

[0032] Prime aluminum is a smelted metal. Prime aluminum may contain up to 0.16 weight percent (wt%) silicon (Si) and up to 0.25 wt% iron (Fe). Prime aluminum may contain up to 0.10 wt% Si and up to 0.20 wt% Fe. Prime aluminum may contain up to 0.10 wt% Si and up to 0.15 wt% Fe. Prime aluminum may contain up to 0.06 wt% Si and up to 0.10 wt% Fe. Prime aluminum may contain up to 0.04 wt% Si and up to 0.06 wt% Fe. Prime aluminum may contain up to 0.02 wt% Si and up to 0.02 wt% Fe.

[0033] The alloying elements can include one or more elements. For example, the alloying elements can include one element. In another example, the alloying elements can include two different elements, three different elements, four different elements, five different elements, or six different elements. The alloying elements can include, but are not limited to, Si, Fe, copper (Cu), magnesium (Mg), manganese (Mn), titanium (Ti), and combinations thereof. In one example, the alloying elements include Mg, Mn, Cu, or combinations thereof. The alloying elements can be added to the aluminum alloy composition to impart appropriate strength to the aluminum alloy sheet.

[0034] The non-recycled material of the second component can include prime aluminum and alloying elements. The non-recycled material of the second component can include prime aluminum and can be free of alloying elements. The non-recycled material of the second component can include alloying elements and can be free of prime aluminum.

[0035] The optional third component includes mill scrap. As used herein, "mill scrap" refers to scrap aluminum and aluminum alloy material, including defective or rejected products, generated during internal industrial or manufacturing processes and subsequently recovered internally. Mill scrap may include ingot scrap, foundry scrap, RSI, hot-rolled fabricated scrap, cold-rolled fabricated scrap, uncoated coil scrap, coated coil scrap, and combinations thereof. Mill scrap is not considered part of the first or second components.

[0036] When the aluminum alloy composition includes a third component, the third component may be present in the aluminum alloy composition in an amount of 40 wt. % or less, e.g., 35 wt. % or less, 30 wt. % or less, 25 wt. % or less, or 20 wt. % or less, based on 100 wt. % of the aluminum alloy composition.

[0037] The aluminum alloy composition can include 100 wt.% of the first component, 0 wt.% of the second component, and 0 wt.% of the third component (i.e., the entire aluminum alloy composition is made from recycled materials).

[0038] The aluminum alloy composition can include the first component in an amount of 30 wt.% to 100 wt.%, e.g., 35 wt.% to 100 wt.%, 40 wt.% to 100 wt.%, 45 wt.% to 100 wt.%, 50 wt.% to 100 wt.%, 55 wt.% to 100 wt.%, 60 wt.% to 100 wt.%, 65 wt.% to 100 wt.%, 70 wt.% to 100 wt.%, or 30 wt.% to 70 wt.%, based on 100 wt.% of the aluminum alloy composition; The aluminum alloy composition may include the components in an amount of 0 wt.% to 70 wt.%, e.g., 0 wt.% to 65 wt.%, 0 wt.% to 60 wt.%, 0 wt.% to 55 wt.%, 0 wt.% to 50 wt.%, 0 wt.% to 45 wt.%, 0 wt.% to 40 wt.%, 0 wt.% to 35 wt.%, 0 wt.% to 30 wt.%, or 30 wt.% to 70 wt.%, and may include 0 wt.% of the third component (i.e., no mill scrap is added to form the aluminum alloy composition).

[0039] The aluminum alloy composition may include 65 wt. % to 100 wt. %, e.g., 70 wt. % to 100 wt. %, 75 wt. % to 100 wt. %, 80 wt. % to 100 wt. % of the first component, may include 40 wt. % or less of the third component, e.g., 0 wt. % to 35 wt. %, 0 wt. % to 30 wt. %, 0 wt. % to 25 wt. %, or 0 wt. % to 20 wt. % of the third component, based on 100 wt. % of the aluminum alloy composition, and may include 0 wt. % of the second component (i.e., no prime aluminum or alloying elements are added to form the aluminum alloy composition).

[0040] The aluminum alloy composition may include a combination of the first and second components in an amount of 65% to 100% by weight, e.g., 70% to 100% by weight, 70% to 95% by weight, 70% to 90% by weight, 70% to 80% by weight, or 65% to 75% by weight, and an optional third component (if present) in an amount of 0% to 35% by weight, e.g., 0% to 30% by weight, 5% to 30% by weight, 10% to 30% by weight, 20% to 30% by weight, or 25% to 35% by weight, based on 100% by weight of the aluminum alloy composition.

[0041] The aluminum alloy composition may include the first component in an amount of 20 wt. % to 50 wt. %, e.g., 30 wt. % to 50 wt. %, 40 wt. % to 50 wt. %, or 25 wt. % to 45 wt. %, the second component in an amount of 20 wt. % to 50 wt. %, e.g., 20 wt. % to 40 wt. %, or 25 wt. % to 45 wt. %, and the optional third component (if present) in an amount of 0 wt. % to 30 wt. %, e.g., 10 wt. % to 30 wt. %, based on 100 wt. % of the aluminum alloy composition.

[0042] The aluminum alloy composition may include the first component in an amount of 25% to 55% by weight, e.g., 30% to 55% by weight, 40% to 55% by weight, or 25% to 50% by weight, the second component in an amount of 20% to 50% by weight, e.g., 20% to 45% by weight, 25% to 50% by weight, or 20% to 35% by weight, and the optional third component (if present) in an amount of 0% to 25% by weight, or 10% to 25% by weight, based on 100% by weight of the aluminum alloy composition.

[0043] The aluminum alloy composition may include the first component in an amount of 30% to 60% by weight, e.g., 33% to 57% by weight, 31% to 51% by weight, or 45% to 56% by weight, the second component in an amount of 20% to 50% by weight, e.g., 29% to 49% by weight, 23% to 43% by weight, or 24% to 35% by weight, and the optional third component (if present) in an amount of 0% to 20% by weight, or 9% to 20% by weight, based on 100% by weight of the aluminum alloy composition.

[0044] The combination of a first component including recycled materials, a second component including non-recycled materials, and an optional third component including mill scrap can form an aluminum alloy composition that is a 5xxx series aluminum alloy composition. For example, the combination of a first component including recycled materials, a second component including non-recycled materials, and an optional third component including mill scrap can form an aluminum alloy composition that is AA5182. When the aluminum alloy composition including the first, second, and optional third components is AA5182, the aluminum alloy composition includes up to 0.2 wt.% Si, up to 0.35 wt.% Fe, up to 0.15 wt.% Cu, 0.20 to 0.50 wt.% Mn, 4.0 to 5.0 wt.% Mg, up to 0.10 wt.% chromium (Cr), up to 0.25 wt.% zinc (Zn), up to 0.10 wt.% Ti, and up to 0.15 wt.% other elements, with the balance being aluminum, for an elemental composition of 100 wt.%. As used herein, "other elements" refers to elements that are not intentionally added to the aluminum alloy composition and may include, but are not limited to, sodium, calcium, and combinations thereof.

[0045] The aluminum alloy compositions described herein can be used to form aluminum alloy sheets. The aluminum alloy sheets can be coated aluminum alloy sheets. The aluminum alloy sheets can be coated on both sides. The coated aluminum alloy sheets can be 32×10 2 The material may have a tensile yield strength ("TYS") of from 45 kilopounds per square inch ("ksi") to 57 ksi, e.g., from 45.0 ksi to 57.0 ksi, or from 48 ksi to 55 ksi, e.g., from 48.0 ksi to 55.0 ksi. As used herein, "tensile yield strength" or "TYS" is defined as the load at 0.2% offset yield measured in the longitudinal direction of the specimen divided by the original cross-sectional area of ​​the specimen.

[0046] The present invention also relates to a method of manufacturing an aluminum alloy sheet. The method includes the steps of providing an aluminum alloy composition; casting the aluminum alloy composition to produce an aluminum alloy ingot; rolling the aluminum alloy ingot to produce an aluminum alloy sheet; and optionally coating the aluminum alloy sheet to produce a coated aluminum alloy sheet. The aluminum alloy composition includes a first component including recycled materials, a second component including non-recycled materials, and optionally a third component including mill scrap. The aluminum alloy composition has a recycled content of at least 30%. The aluminum alloy composition may be any of the aluminum alloy compositions described herein. The aluminum alloy sheet may be any of the aluminum alloy sheets described herein. The coated aluminum alloy sheet may be any of the coated aluminum alloy sheets described herein. The coated aluminum alloy sheet may have a TYS of 45 ksi to 57 ksi, e.g., 45.0 ksi to 57.0 ksi, or 48 ksi to 55 ksi, e.g., 48.0 ksi to 55.0 ksi.

[0047] The present invention also relates to a method of producing an aluminum alloy composition. The method includes the steps of obtaining a first component; obtaining a second component; melting the first component; melting the second component; and mixing the first and second components to form the aluminum alloy composition. The first component includes recycled materials and the second component includes non-recycled materials. The aluminum alloy composition has a recycled content of at least 30%. The aluminum alloy composition can further include a third component including mill scrap. The third component can be melted and mixed with the first and second components to form the aluminum alloy composition. The aluminum alloy composition can be any of the aluminum alloy compositions described herein.

[0048] A first component including recycled materials, a second component including non-recycled materials, and an optional third component including mill scrap can be melted and mixed to form an aluminum alloy composition. The first, second, and optional third components can be melted using techniques known in the art of aluminum alloy manufacturing. The first, second, and optional third components can be melted simultaneously. The first component can be melted first, and the second and optional third components can be added to the molten first component. The first, second, and optional third components can each be melted separately and then mixed. The first, second, and optional third components can be obtained in an already molten state. The first, second, and optional third components can be mixed using techniques known in the art of aluminum alloy manufacturing to form an aluminum alloy composition. The melting and mixing of the first, second, and optional third components can be performed in any order.

[0049] The aluminum alloy composition may be cast into an aluminum alloy ingot. The aluminum alloy composition used to cast the ingot may be any of the aluminum alloy compositions described herein. The surface of the aluminum alloy ingot may optionally be faced prior to the hot rolling step. The aluminum alloy ingot may be heated prior to hot rolling. The aluminum alloy ingot may not be heated prior to hot rolling. The aluminum alloy ingot is hot rolled to form an intermediate aluminum alloy sheet. The intermediate aluminum alloy sheet is then cold rolled to obtain a final aluminum alloy sheet. The thickness of the final aluminum alloy sheet may be at least 0.0152 cm (0.0060 inch), for example, in the range of 0.0152 cm (0.0060 inch) to 0.0508 cm (0.0200 inch), or 0.0198 cm (0.0078 inch) to 0.0406 cm (0.0160 inch).

[0050] The aluminum alloy sheet can be coated with a coating composition to form a coated aluminum alloy sheet. Both sides of the aluminum alloy sheet can be coated. The coating composition can be any suitable coating composition. The coating composition used to form the coating can be applied by any suitable technique that displaces air on the surface of the aluminum alloy sheet with the coating, including, but not limited to, roll coating, spray coating, rod coating, curtain coating, gravure coating, slot coating, knife coating, extrusion coating, lamination, and combinations thereof. The aluminum alloy sheet can be cleaned by any suitable technique before application of the coating composition. After cleaning, the aluminum alloy sheet can be pretreated by any suitable technique before application of the coating composition. After application of the coating composition, the coated aluminum alloy sheet can be heated to promote curing of the coating. The coated aluminum alloy sheet can have a TYS of 45 ksi to 57 ksi, e.g., 45.0 ksi to 57.0 ksi, or 48 ksi to 55 ksi, e.g., 48.0 ksi to 55.0 ksi.

[0051] The present invention also relates to a method for manufacturing an aluminum alloy package, wherein the aluminum alloy package is a beverage can end. The method includes obtaining an aluminum alloy sheet and forming the aluminum alloy sheet into an aluminum alloy package. The aluminum alloy sheet includes an aluminum alloy composition including a first component including recycled material and a second component including non-recycled material. The aluminum alloy composition has a recycled content of at least 30%. The aluminum alloy composition may further include an optional third component including mill scrap. The aluminum alloy composition used to form the aluminum alloy sheet may be any of the aluminum alloy compositions described herein. The aluminum alloy sheet may be any of the aluminum alloy sheets described herein.

[0052] The present invention also relates to a method for manufacturing an aluminum alloy package, wherein the aluminum alloy package is a beverage can end. The method includes the steps of obtaining an aluminum alloy sheet; coating the aluminum alloy sheet to form a coated aluminum alloy sheet; and forming the coated aluminum alloy sheet into an aluminum alloy package. The aluminum alloy sheet includes an aluminum alloy composition including a first component including recycled materials and a second component including non-recycled materials. The aluminum alloy composition has a recycled content of at least 30%. The aluminum alloy composition may further include an optional third component including mill scrap. The aluminum alloy sheet or aluminum alloy composition used to form the coated aluminum alloy sheet may be any of the aluminum alloy compositions described herein. The aluminum alloy sheet or coated aluminum alloy sheet used to form the aluminum alloy package may be any of the aluminum alloy sheets described herein. The coated aluminum alloy sheet may have a TYS of 45 ksi to 57 ksi, e.g., 45.0 ksi to 57.0 ksi, or 48 ksi to 55 ksi, e.g., 48.0 ksi to 55.0 ksi.

[0053] To form an aluminum alloy beverage can end, an aluminum alloy blank can be formed using an aluminum alloy sheet or a coated aluminum alloy sheet. The aluminum alloy blank can be used to form an aluminum alloy beverage can end shell. The aluminum alloy beverage can end shell can be finished by a curling process. The aluminum alloy beverage can end shell can be converted to include an easy-opening tab attached to a portion of the aluminum alloy beverage can end shell to form an aluminum alloy beverage can end.

[0054] The following numbered paragraphs illustrate various aspects of the present invention.

[0055] Item 1: An aluminum alloy sheet comprising an aluminum alloy composition comprising a first component comprising recycled material and a second component comprising non-recycled material, wherein the aluminum alloy composition has a recycled content of at least 30%.

[0056] Item 2: The aluminum alloy sheet according to item 1, wherein the recycled content is at least 40%, preferably at least 45%, more preferably at least 50%, and most preferably at least 70%.

[0057] Item 3: The aluminum alloy sheet according to item 1 or 2, wherein the recycled content is 75% or less.

[0058] Item 4: The aluminum alloy sheet according to any one of items 1 to 3, further comprising a third component comprising mill scrap.

[0059] Item 5: The aluminum alloy sheet according to item 4, wherein the mill scrap is selected from the group consisting of ingot scrap, casting scrap, remelt scrap ingot (RSI), hot-rolled fabricated scrap, cold-rolled fabricated scrap, uncoated coil scrap, coated coil scrap, and combinations thereof.

[0060] Item 6: The aluminum alloy sheet of item 4, wherein the third component comprises 40 wt.% or less of the aluminum alloy composition, for example, 35 wt.% or less of the aluminum alloy composition, for example, 30 wt.% or less of the aluminum alloy composition, for example, 25 wt.% or less of the aluminum alloy composition, or for example, 20 wt.% or less of the aluminum alloy composition, based on 100 wt.% of the aluminum alloy composition.

[0061] Item 7: The aluminum alloy sheet of any one of items 1 to 6, wherein the recycled material is selected from the group consisting of scrap Aluminum Association (AA) 5x54, scrap AA5154, scrap AA5254, scrap AA5354, scrap AA5454, scrap AA5554, scrap AA5654, scrap AA5754, scrap AA5854, or scrap AA5954, scrap AA5457, scrap AA5085, scrap AA5083, scrap AA5086, scrap AA5052, scrap AA5352, scrap AA5182, scrap AA5042, scrap AA5086, RSI, post-industrial scrap, pre-consumer scrap, post-consumer scrap, Class I scrap, Class II scrap, Class III scrap, Class IV scrap, used beverage cans, and combinations thereof.

[0062] Item 8: The aluminum alloy sheet according to any one of items 1 to 7, wherein the recycled material comprises used beverage cans.

[0063] Item 9: The aluminum alloy sheet of any one of items 1 to 8, wherein the non-recycled material comprises prime aluminum, alloying elements, or a combination thereof.

[0064] Item 10: The aluminum alloy sheet of any one of items 1 to 9, wherein the non-recycled material comprises prime aluminum and alloying elements.

[0065] Item 11: The aluminum alloy sheet according to item 9 or 10, wherein the prime aluminum contains 0.16% by weight (wt%) or less of silicon (Si) and 0.25% by weight or less of iron (Fe).

[0066] Item 12: The aluminum alloy sheet according to item 9 or 10, wherein the prime aluminum contains 0.10 wt.% or less Si and 0.20 wt.% or less Fe, 0.10 wt.% or less Si and 0.15 wt.% or less Fe, 0.06 wt.% or less Si and 0.10 wt.% or less Fe, 0.04 wt.% or less Si and 0.06 wt.% or less Fe, or 0.02 wt.% or less Si and 0.02 wt.% or less Fe.

[0067] Item 13: The aluminum alloy sheet according to item 9 or 10, wherein the alloying element is selected from the group consisting of silicon, iron, copper, magnesium, manganese, titanium, or a combination thereof.

[0068] Item 14: The aluminum alloy sheet according to item 9 or 10, wherein the alloying elements include magnesium, manganese, copper, or a combination thereof.

[0069] Item 15: The aluminum alloy sheet according to any one of items 1 to 14, wherein the aluminum alloy composition is a 5xxx series aluminum alloy.

[0070] Item 16: The aluminum alloy sheet according to any one of items 1 to 15, wherein the aluminum alloy composition is AA5182.

[0071] Item 17: The aluminum alloy sheet according to any one of items 1 to 16, wherein the aluminum alloy sheet is a coated aluminum alloy sheet.

[0072] Item 18: The aluminum alloy sheet of item 17, wherein the coated aluminum alloy sheet has a tensile yield strength (TYS) of 45 ksi to 57 ksi, or for example, 48 ksi to 55 ksi.

[0073] Item 19: An aluminum alloy composition comprising a first component comprising recycled materials and a second component comprising non-recycled materials, the aluminum alloy composition having a recycled content of at least 30%.

[0074] Item 20: The aluminum alloy composition of item 19, wherein the recycled content is at least 40%, preferably at least 45%, more preferably at least 50%, and most preferably at least 70%.

[0075] Item 21: The aluminum alloy composition according to Item 19 or 20, having a recycled content of 75% or less.

[0076] Item 22: The aluminum alloy composition of any one of items 19 to 21, further comprising a third component comprising mill scrap.

[0077] Item 23: The aluminum alloy composition of item 22, wherein the mill scrap is selected from the group consisting of ingot scrap, casting scrap, RSI, hot rolled processed scrap, cold rolled processed scrap, uncoated coil scrap, coated coil scrap, and combinations thereof.

[0078] Item 24: The aluminum alloy composition of item 22, wherein the third component comprises 40 wt.% or less of the aluminum alloy composition, for example, 35 wt.% or less of the aluminum alloy composition, for example, 30 wt.% or less of the aluminum alloy composition, for example, 25 wt.% or less of the aluminum alloy composition, or for example, 20 wt.% or less of the aluminum alloy composition, based on 100 wt.% of the aluminum alloy composition.

[0079] Item 25: The aluminum alloy composition of any one of paragraphs 19 to 24, wherein the recycled material is selected from the group consisting of scrap AA5x54, scrap AA5154, scrap AA5254, scrap AA5354, scrap AA5454, scrap AA5554, scrap AA5654, scrap AA5754, scrap AA5854, or scrap AA5954, scrap AA5457, scrap AA5085, scrap AA5083, scrap AA5086, scrap AA5052, scrap AA5352, scrap AA5182, scrap AA5042, scrap AA5086, post-industrial scrap, pre-consumer scrap, post-consumer scrap, Class I scrap, Class II scrap, Class III scrap, Class IV scrap, used beverage cans, and combinations thereof.

[0080] Item 26: The aluminum alloy composition according to any one of items 19 to 25, wherein the recycled material comprises used beverage cans.

[0081] Item 27: The aluminum alloy composition of any one of items 19 to 26, wherein the non-recycled material comprises prime aluminum, an alloying element, or a combination thereof.

[0082] Item 28: The aluminum alloy composition of any one of items 19 to 27, wherein the non-recycled material comprises prime aluminum and alloying elements.

[0083] Item 29: The aluminum alloy composition of item 27 or 28, wherein the prime aluminum contains 0.16 wt. % or less of Si and 0.25 wt. % or less of Fe.

[0084] Item 30: The aluminum alloy composition of item 27 or 28, wherein the prime aluminum contains 0.10 wt.% or less Si and 0.20 wt.% or less Fe, 0.10 wt.% or less Si and 0.15 wt.% or less Fe, 0.06 wt.% or less Si and 0.10 wt.% or less Fe, 0.04 wt.% or less Si and 0.06 wt.% or less Fe, or 0.02 wt.% or less Si and 0.02 wt.% or less Fe.

[0085] Item 31: The aluminum alloy composition according to item 27 or 28, wherein the alloying element is selected from the group consisting of silicon, iron, copper, magnesium, manganese, titanium, or a combination thereof.

[0086] Item 32: The aluminum alloy composition according to item 27 or 28, wherein the alloying elements include magnesium, manganese, copper, or a combination thereof.

[0087] Item 33: The aluminum alloy composition of any one of items 19 to 32, wherein the aluminum alloy composition is a 5xxx series aluminum alloy.

[0088] Item 34: The aluminum alloy composition of any one of items 19 to 33, wherein the aluminum alloy composition is AA5182.

[0089] Item 35: A method of producing an aluminum alloy sheet, the method comprising: providing an aluminum alloy composition, the aluminum alloy composition comprising a first component including recycled materials and a second component including non-recycled materials, the aluminum alloy composition having a recycled content of at least 30%; casting the aluminum alloy composition to produce an aluminum alloy ingot; and rolling the aluminum alloy ingot to produce an aluminum alloy sheet.

[0090] Item 36: The method of item 35, wherein the recycled content is at least 40%, preferably at least 45%, more preferably at least 50%, and most preferably at least 70%.

[0091] Item 37: The method according to Item 35 or 36, wherein the recycled content is 75% or less.

[0092] Item 38: The method of any one of items 35 to 37, wherein the aluminum alloy composition further comprises a third component comprising mill scrap.

[0093] Item 39: The method of item 38, wherein the mill scrap is selected from the group consisting of ingot scrap, casting scrap, RSI, hot rolled fabricated scrap, cold rolled fabricated scrap, uncoated coil scrap, coated coil scrap, and combinations thereof.

[0094] Item 40: The method of item 38, wherein the third component comprises 40 wt.% or less of the aluminum alloy composition, for example, 35 wt.% or less of the aluminum alloy composition, for example, 30 wt.% or less of the aluminum alloy composition, for example, 25 wt.% or less of the aluminum alloy composition, or for example, 20 wt.% or less of the aluminum alloy composition, based on 100 wt.% of the aluminum alloy composition.

[0095] Item 41: The method of any one of paragraphs 35 to 40, wherein the recycled material is selected from the group consisting of scrap AA5x54, scrap AA5154, scrap AA5254, scrap AA5354, scrap AA5454, scrap AA5554, scrap AA5654, scrap AA5754, scrap AA5854, or scrap AA5954, scrap AA5457, scrap AA5085, scrap AA5083, scrap AA5086, scrap AA5052, scrap AA5352, scrap AA5182, scrap AA5042, scrap AA5086, post-industrial scrap, pre-consumer scrap, post-consumer scrap, Class I scrap, Class II scrap, Class III scrap, Class IV scrap, used beverage cans, and combinations thereof.

[0096] Item 42: The method of any one of items 35 to 41, wherein the recycled material comprises used beverage cans.

[0097] Item 43: The method of any one of items 35 to 42, wherein the non-recycled material comprises prime aluminum, alloying elements, or a combination thereof.

[0098] Item 44: The method of any one of items 35 to 43, wherein the non-recycled material comprises prime aluminum and alloying elements.

[0099] Item 45: The method of item 43 or 44, wherein the prime aluminum contains 0.16 wt. % or less Si and 0.25 wt. % or less Fe.

[0100] Item 46: The method of item 43 or 44, wherein the prime aluminum contains 0.10 wt.% or less Si and 0.20 wt.% or less Fe, 0.10 wt.% or less Si and 0.15 wt.% or less Fe, 0.06 wt.% or less Si and 0.10 wt.% or less Fe, 0.04 wt.% or less Si and 0.06 wt.% or less Fe, or 0.02 wt.% or less Si and 0.02 wt.% or less Fe.

[0101] Item 47: The method of items 43 or 44, wherein the alloying element is selected from the group consisting of silicon, iron, copper, magnesium, manganese, titanium, or combinations thereof.

[0102] Item 48: The method of items 43 or 44, wherein the alloying elements include magnesium, manganese, copper, or a combination thereof.

[0103] Item 49: The method of any one of items 35 to 48, wherein the aluminum alloy composition is a 5xxx series aluminum alloy.

[0104] Item 50: The method of any one of items 35 to 49, wherein the aluminum alloy composition is AA5182.

[0105] Item 51: The method of any one of items 35 to 50, further comprising coating the aluminum alloy sheet to form a coated aluminum alloy sheet.

[0106] Item 52: The method of item 51, wherein the coated aluminum alloy sheet has a TYS of 45 ksi to 57 ksi, or, for example, 48 ksi to 55 ksi.

[0107] Item 53: A method of manufacturing an aluminum alloy package, the method comprising: obtaining an aluminum alloy sheet, the aluminum alloy sheet comprising an aluminum alloy composition including a first component including recycled material and a second component including non-recycled material, the aluminum alloy composition having at least 30% recycled content; and forming the aluminum alloy sheet into an aluminum alloy package, the aluminum alloy package being a beverage can end.

[0108] Item 54: The method of item 53, wherein the recycled content is at least 40%, preferably at least 45%, more preferably at least 50%, and most preferably at least 70%.

[0109] Item 55: The method according to Item 53 or 54, wherein the recycled content is 75% or less.

[0110] Item 56: The method of any one of items 53 to 55, wherein the aluminum alloy composition further comprises a third component comprising mill scrap.

[0111] Item 57: The method of item 56, wherein the mill scrap is selected from the group consisting of ingot scrap, casting scrap, RSI, hot rolled fabricated scrap, cold rolled fabricated scrap, uncoated coil scrap, coated coil scrap, and combinations thereof.

[0112] Item 58: The method of item 56, wherein the third component comprises 40 wt.% or less of the aluminum alloy composition, for example, 35 wt.% or less of the aluminum alloy composition, for example, 30 wt.% or less of the aluminum alloy composition, for example, 25 wt.% or less of the aluminum alloy composition, or for example, 20 wt.% or less of the aluminum alloy composition, based on 100 wt.% of the aluminum alloy composition.

[0113] Item 59: The method of any one of claims 53 to 58, wherein the recycled material is selected from the group consisting of scrap AA5x54, scrap AA5154, scrap AA5254, scrap AA5354, scrap AA5454, scrap AA5554, scrap AA5654, scrap AA5754, scrap AA5854, or scrap AA5954, scrap AA5457, scrap AA5085, scrap AA5083, scrap AA5086, scrap AA5052, scrap AA5352, scrap AA5182, scrap AA5042, scrap AA5086, post-industrial scrap, post-consumer scrap, Class I scrap, Class II scrap, Class III scrap, Class IV scrap, used beverage cans, and combinations thereof.

[0114] Item 60: The method of any one of items 53 to 59, wherein the recycled material comprises used beverage cans.

[0115] Item 61: The method of any one of items 53 to 60, wherein the non-recycled material comprises prime aluminum, alloying elements, or a combination thereof.

[0116] Item 62: The method of any one of items 53 to 61, wherein the non-recycled material comprises prime aluminum and alloying elements.

[0117] Item 63: The method of item 61 or 62, wherein the prime aluminum contains 0.16 wt. % or less Si and 0.25 wt. % or less Fe.

[0118] Item 64: The method of item 61 or 62, wherein the prime aluminum contains 0.10 wt.% or less Si and 0.20 wt.% or less Fe, 0.10 wt.% or less Si and 0.15 wt.% or less Fe, 0.06 wt.% or less Si and 0.10 wt.% or less Fe, 0.04 wt.% or less Si and 0.06 wt.% or less Fe, or 0.02 wt.% or less Si and 0.02 wt.% or less Fe.

[0119] Item 65: The method of items 61 or 62, wherein the alloying element is selected from the group consisting of silicon, iron, copper, magnesium, manganese, titanium, or combinations thereof.

[0120] Item 66: The method of items 61 or 62, wherein the alloying elements include magnesium, manganese, copper, or a combination thereof.

[0121] Item 67: The method of any one of items 53 to 66, wherein the aluminum alloy composition is a 5xxx series aluminum alloy.

[0122] Item 68: The method of any one of items 53 to 67, wherein the aluminum alloy composition is AA5182.

[0123] Item 69: The method of any one of items 53 to 68, further comprising coating the aluminum alloy sheet to form a coated aluminum alloy sheet.

[0124] Clause 70: The method of clause 69, wherein the coated aluminum alloy sheet has a TYS of 45 ksi to 57 ksi, or such as 48 ksi to 55 ksi.

[0125] Item 71: A method of producing an aluminum alloy composition, the method comprising: obtaining a first component, the first component comprising recycled material; obtaining a second component, the second component comprising non-recycled material; melting the first component; melting the second component; and mixing the first component and the second component to form an aluminum alloy composition, the aluminum alloy composition having at least 30% recycled content.

[0126] Item 72: The method of item 71, wherein the recycled content is at least 40%, preferably at least 45%, more preferably at least 50%, and most preferably at least 70%.

[0127] Item 73: The method according to Item 71 or 72, wherein the recycled content is 75% or less.

[0128] Item 74: The method of any one of items 71 to 73, further comprising the steps of: obtaining a third component, the third component comprising mill scrap; melting the third component; and mixing the third component with the first component and the second component to form an aluminum alloy composition.

[0129] Item 75: The method of item 74, wherein the mill scrap is selected from the group consisting of ingot scrap, casting scrap, RSI, hot rolled fabricated scrap, cold rolled fabricated scrap, uncoated coil scrap, coated coil scrap, and combinations thereof.

[0130] Item 76: The method of item 74, wherein the third component comprises 40 wt.% or less of the aluminum alloy composition, for example, 35 wt.% or less of the aluminum alloy composition, for example, 30 wt.% or less of the aluminum alloy composition, for example, 25 wt.% or less of the aluminum alloy composition, or for example, 20 wt.% or less of the aluminum alloy composition, based on 100 wt.% of the aluminum alloy composition.

[0131] Item 77: The method of any one of paragraphs 71 to 76, wherein the recycled material is selected from the group consisting of scrap AA5x54, scrap AA5154, scrap AA5254, scrap AA5354, scrap AA5454, scrap AA5554, scrap AA5654, scrap AA5754, scrap AA5854, or scrap AA5954, scrap AA5457, scrap AA5085, scrap AA5083, scrap AA5086, scrap AA5052, scrap AA5352, scrap AA5182, scrap AA5042, scrap AA5086, post-industrial scrap, pre-consumer scrap, post-consumer scrap, Class I scrap, Class II scrap, Class III scrap, Class IV scrap, used beverage cans, and combinations thereof.

[0132] Item 78: The method of any one of items 71 to 77, wherein the recycled material comprises used beverage cans.

[0133] Item 79: The method of any one of items 71 to 78, wherein the non-recycled material comprises prime aluminum, alloying elements, or a combination thereof.

[0134] Item 80: The method of any one of items 71 to 79, wherein the non-recycled material comprises prime aluminum and alloying elements.

[0135] Item 81: The method of item 79 or 80, wherein the prime aluminum contains 0.16 wt. % or less Si and 0.25 wt. % or less Fe.

[0136] Item 82: The method of item 79 or 80, wherein the prime aluminum contains 0.10 wt.% or less Si and 0.20 wt.% or less Fe, 0.10 wt.% or less Si and 0.15 wt.% or less Fe, 0.06 wt.% or less Si and 0.1 wt.% or less Fe, 0.04 wt.% or less Si and 0.06 wt.% or less Fe, or 0.02 wt.% or less Si and 0.02 wt.% or less Fe.

[0137] Item 83: The method of items 79 or 80, wherein the alloying element is selected from the group consisting of silicon, iron, copper, magnesium, manganese, titanium, or combinations thereof.

[0138] Item 84: The method of items 79 or 80, wherein the alloying elements include magnesium, manganese, copper, or a combination thereof.

[0139] Item 85: The method of any one of items 71 to 84, wherein the aluminum alloy composition is a 5xxx series aluminum alloy.

[0140] Item 86: The method of any one of items 71 to 85, wherein the aluminum alloy composition is AA5182.

[0141] Those skilled in the art will readily appreciate that modifications may be made to the present invention without departing from the concepts disclosed in the foregoing description. Accordingly, the specific embodiments detailed herein are illustrative only and do not limit the scope of the invention, which is intended to encompass the full scope of the appended claims and any and all equivalents thereof.

Claims

1. a first component comprising recycled materials; and Second component containing non-recycled materials an aluminum alloy composition comprising An aluminum alloy sheet comprising:

1. An aluminum alloy sheet, wherein the aluminum alloy composition has a recycled content of at least 30%.

2. the recycled content is at least 40%; 2. The aluminum alloy sheet of claim 1, wherein the recycled content is 75% or less.

3. further comprising a third component comprising mill scrap; the mill scrap is selected from the group consisting of ingot scrap, casting scrap, remelt scrap ingot (RSI), hot rolled fabricated scrap, cold rolled fabricated scrap, uncoated coil scrap, coated coil scrap, and combinations thereof; 10. The aluminum alloy sheet of claim 1, wherein said third element comprises up to 40 wt.% of said aluminum alloy composition.

4. The aluminum alloy sheet of claim 1 , wherein the non-recycled material comprises prime aluminum, alloying elements, or a combination thereof.

5. 5. The aluminum alloy sheet of claim 4, wherein the prime aluminum comprises up to 0.16 weight percent (wt. %) silicon (Si) and up to 0.25 wt. % iron (Fe).

6. 5. The aluminum alloy sheet of claim 4, wherein the prime aluminum contains up to 0.10 wt.% Si and up to 0.20 wt.% Fe, 0.10 wt.% Si and up to 0.15 wt.% Fe, 0.06 wt.% Si and up to 0.10 wt.% Fe, 0.04 wt.% Si and up to 0.06 wt.% Fe, or 0.02 wt.% Si and up to 0.02 wt.% Fe.

7. 5. The aluminum alloy sheet of claim 4, wherein the alloying elements are selected from the group consisting of silicon, iron, copper, magnesium, manganese, titanium, and combinations thereof.

8. the aluminum alloy sheet is a coated aluminum alloy sheet, 10. The aluminum alloy sheet of claim 1, wherein the coated aluminum alloy sheet has a tensile yield strength (TYS) of 45 ksi to 57 ksi.

9. a first component comprising recycled materials; and Second component containing non-recycled materials An aluminum alloy composition comprising: An aluminum alloy composition having a recycled content of at least 30%.

10. the recycled content is at least 40%; 10. The aluminum alloy composition of claim 9, wherein the recycled content is 75% or less.

11. further comprising a third component comprising mill scrap; the mill scrap is selected from the group consisting of ingot scrap, casting scrap, RSI, hot rolled fabricated scrap, cold rolled fabricated scrap, uncoated coil scrap, coated coil scrap, and combinations thereof; 10. The aluminum alloy composition of claim 9, wherein the third component comprises up to 40 wt.% of the aluminum alloy composition.

12. 10. The aluminum alloy composition of claim 9, wherein the non-recycled material comprises prime aluminum, an alloying element, or a combination thereof.

13. 13. The aluminum alloy composition of claim 12, wherein the prime aluminum comprises up to 0.16 wt.% Si and up to 0.25 wt.% Fe.

14. 13. The aluminum alloy composition of claim 12, wherein the prime aluminum comprises up to 0.10 wt.% Si and up to 0.20 wt.% Fe, up to 0.10 wt.% Si and up to 0.15 wt.% Fe, up to 0.06 wt.% Si and up to 0.10 wt.% Fe, up to 0.04 wt.% Si and up to 0.06 wt.% Fe, or up to 0.02 wt.% Si and up to 0.02 wt.% Fe.

15. 1. A method for producing an aluminum alloy sheet, comprising: providing an aluminum alloy composition, the aluminum alloy composition comprising: a first component comprising recycled materials; and Second component containing non-recycled materials Including, the aluminum alloy composition having a recycled content of at least 30%; casting the aluminum alloy composition to produce an aluminum alloy ingot; rolling the aluminum alloy ingot to produce an aluminum alloy sheet; A method comprising: