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Special high-strength aluminum-magnesium alloy for storage racks and manufacturing method of special high-strength aluminum-magnesium alloy

An aluminum-magnesium alloy and high-strength technology, which is applied in the field of aluminum alloy, high-strength aluminum-magnesium alloy for shelves and its manufacturing field, can solve the problems affecting the use of high-alloy aluminum alloy, the limitation of aluminum alloy material, and short service life, etc., and achieve improvement Effects of anti-corrosion performance and welding performance, improvement of quality, and reduction of processing cost

Active Publication Date: 2015-07-22
SUZHOU TONGMING MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing high-strength aluminum alloy materials only meet some of the above conditions, and cannot meet all of the above conditions at the same time, especially in the use process of severe wear and short service life; this also limits the use of aluminum alloy materials, affecting the height of aluminum Alloy usage

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] This embodiment provides a special high-strength aluminum-magnesium alloy for shelves. The mass percentage of each component in the aluminum-magnesium alloy material is:

[0031] Sr: 1.23%, Mg: 4.7%, Fe: 0.12%, Si: 0.09%, Cu: 0.05%, Mn: 0.32%, Zn: 0.05%, Mo: 0.15%, Ti: 0.25%, Zr: 0.05%, Y: 0.02%, Na: 0.001%, Ni: 0.001%, La series elements 0.22%, the total of other impurities ≤ 0.15%, and the balance is Al;

[0032] The impurities include: P≤0.005%, S≤0.0056%, H≤0.003%, N≤0.006%, O≤45ppm;

[0033] The chemical composition of lanthanide elements in mass percent is: Nd: 23%, Er: 6%, Pr: 1%, Pm: 1%, Dy: 1%, and the balance is La.

[0034] This embodiment provides a heat treatment method for high-strength aluminum-magnesium alloys dedicated to shelves, comprising the following steps,

[0035] (1) For the aluminum-magnesium alloy slab, heat it to 450°C, then keep it warm for 1h, reserve 25% of the deformation for the finished plate, and hot-roll the aluminum-magnesium alloy...

Embodiment 2

[0038] This embodiment provides a special high-strength aluminum-magnesium alloy for shelves. The mass percentage of each component in the aluminum-magnesium alloy material is:

[0039] Sr: 1.25%, Mg: 5.2%, Fe: 0.22%, Si: 0.10%, Cu: 0.07%, Mn: 0.36%, Zn: 0.08%, Mo: 0.20%, Ti: 0.31%, Zr: 0.12%, Y: 0.04%, Na: 0.004%, Ni: 0.002%, La series elements 0.28%, the total of other impurities ≤ 0.15%, and the balance is Al;

[0040] The impurities include: P≤0.005%, S≤0.0056%, H≤0.003%, N≤0.006%, O≤45ppm;

[0041]The chemical composition of lanthanide elements in mass percent is: Nd: 25%, Ce: 3%, Er: 8%, Pr: 3%, Pm: 4%, Dy: 1%, and the balance is La.

[0042] This embodiment provides a heat treatment method for high-strength aluminum-magnesium alloys dedicated to shelves, comprising the following steps,

[0043] (1) For the aluminum-magnesium alloy plate billet, heat it at 500°C, and then keep it warm for 0.5h, reserve 35% of the deformation for the finished plate, and hot-roll the alu...

Embodiment 3

[0046] This embodiment provides a special high-strength aluminum-magnesium alloy for shelves. The mass percentage of each component in the aluminum-magnesium alloy material is:

[0047] Sr: 1.45%, Mg: 5.5%, Fe: 0.32%, Si: 0.12%, Cu: 0.11%, Mn: 0.46%, Zn: 0.1%, Mo: 0.24%, Ti: 0.41%, Zr: 0.15%, Y: 0.05%, Na: 0.0005%, Ni: 0.003%, La-series elements: 0.38%, the total of other impurities ≤ 0.15%, and the balance is Al;

[0048] The impurities include: P≤0.005%, S≤0.0056%, H≤0.003%, N≤0.006%, O≤45ppm;

[0049] The chemical composition of lanthanide elements in mass percent is: Nd: 27%, Ce: 4%, Er: 10%, Pr: 5%, Pm: 6%, Dy: 2%, and the balance is La.

[0050] This embodiment provides a heat treatment method for high-strength aluminum-magnesium alloys dedicated to shelves, comprising the following steps,

[0051] (1) For the aluminum-magnesium alloy slab, heat it at 550°C, then keep it warm for 0.5h, reserve 45% of the deformation for the finished plate, and hot-roll the aluminum-mag...

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PUM

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Abstract

The invention discloses a special high-strength aluminum-magnesium alloy for storage racks. The aluminum-magnesium alloy comprises the following components in percentage by mass: 1.23-1.45% of Sr, 4.7-5.5% of Mg, 0.12-0.32% of Fe, 0.09-0.12% of Si, 0.05-0.11% of Cu, 0.32-0.46% of Mn, 0.05-0.1% of Zn, 0.15-0.24% of Mo, 0.25-0.41% of Ti, 0.05-0.15% of Zr, 0.02-0.05% of Y, 0.001-0.005% of Na, 0.001-0.003% of Ni, 0.22-0.38% of La elements, 0.15% or lower of remaining impurities and the balance of Al, wherein the impurities comprise 0.005% or lower of P, 0.0056% or lower of S, 0.003% or lower of H, 0.006% or lower of N and 45 ppm or lower of O; the La elements comprise 23-27% of Nd, 0-4% of Ce, 6-10% of Er, 1-5% of Pr, 1-6% of Pm, 0-2% of Dy and the balance of La. By virtue of the components, the corrosion resistance of an aluminum alloy can be improved; by virtue of a heat treatment process, not only is the processing cost reduced and the processing period shortened, but also the corrosion resistance and the welding performance of the aluminum alloy can be improved, and the quality of products is improved.

Description

Technical field [0001] The present invention involves an aluminum alloy. Specifically, it is a special shelf -specific high -intensity aluminum -magnesium alloy and its manufacturing method, which is the field of warehousing shelf material manufacturing technology. Background technique [0002] Aluminum alloy materials are largely used in construction, civilian and industrial fields, especially in the field of logistics and warehousing. At present, there are many different requirements for industrial high -strength aluminum alloy materials., High corrosion ability, multiple surface treatment performance or good thermal treatment performance.The existing high -strength aluminum alloy materials only meet the above conditions, and cannot meet all the conditions at the same time, especially during the use of severe wear and short service life;The amount of alloy. Invention content [0003] The technical problem to be solved by the present invention is that in response to the shortco...

Claims

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Application Information

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IPC IPC(8): C22C21/08C22F1/047
CPCC22C21/08C22F1/047
Inventor 王正勇邢婷
Owner SUZHOU TONGMING MACHINERY
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