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Aluminum alloy color-coated sheet and strip and production method thereof

A production method and technology for color-coated sheets, applied in the field of aluminum alloy manufacturing, can solve the problems of low full-hard formability, complex processing flow, increased thickness, etc., so as to save the intermediate annealing process, ensure mechanical properties, and improve strength. Effect

Active Publication Date: 2016-04-27
ALUHOUSE TECHGD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the widely used aluminum alloy color-coated panels for roof panels are mainly aluminum-manganese alloys such as 3003, 3004, and 3104. Due to their low formability in the full-hard state, semi-hard states are required, resulting in complex processing procedures and low strength. Under the conditions of use, the thickness needs to be increased compared with the color steel plate, so the cost is higher

Method used

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  • Aluminum alloy color-coated sheet and strip and production method thereof
  • Aluminum alloy color-coated sheet and strip and production method thereof
  • Aluminum alloy color-coated sheet and strip and production method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] In this embodiment, an aluminum alloy color-coated sheet and strip (AA01 alloy color-coated aluminum sheet), the mass percentage of its chemical composition is (single ≤ 0.05% of other impurity elements (such as Zn), and the total of other impurity elements ≤ 0.15%):

[0025] Si

Fe

Cu

mn

Mg

Ti

Cr

Zn

Al

0.13

0.38

0.15

0.88

1.6

0.02

0.03

0.02

margin

[0026] The production process of the aluminum alloy color-coated sheet and strip described in this embodiment includes: melting and casting→sawing→face milling→heating→hot continuous rolling→cold continuous rolling→edge trimming→leveling→coating. The specific process parameters are as follows:

[0027] (1) Melting and casting: the mass percentage of the chemical composition of the ingot after melting and casting is (single ≤0.05% of other impurity elements, ≤0.15% of other impurity elements in total):

[0028] Si

Fe

Cu

...

Embodiment 2

[0039] In this embodiment, an aluminum alloy color-coated sheet and strip (AA01 alloy color-coated aluminum sheet), the mass percentage of its chemical composition is (single ≤ 0.05% of other impurity elements, ≤ 0.15% in total of other impurity elements):

[0040] Si

Fe

Cu

mn

Mg

Ti

Cr

Zn

Al

0.15

0.31

0.20

0.62

2.05

0.02

0.03

0.02

margin

[0041] The production process of the aluminum alloy color-coated sheet and strip described in this embodiment includes: melting and casting→sawing→face milling→heating→hot continuous rolling→cold continuous rolling→edge trimming→leveling→coating. The specific process parameters are as follows:

[0042] (1) Melting and casting: the mass percentage of the chemical composition of the ingot after melting and casting is (single ≤0.05% of other impurity elements, ≤0.15% of other impurity elements in total):

[0043] Si

Fe

Cu

mn

Mg

T...

Embodiment 3

[0054] In this embodiment, an aluminum alloy color-coated sheet and strip (AA01 alloy color-coated aluminum sheet), the mass percentage of its chemical composition is (single ≤ 0.05% of other impurity elements, ≤ 0.15% in total of other impurity elements):

[0055] Si

Fe

Cu

mn

Mg

Ti

Cr

Zn

Al

0.13

0.44

0.12

0.78

1.73

0.02

0.03

0.02

margin

[0056] The production method of the roof panel aluminum alloy sheet and strip described in this embodiment includes: melting and casting→sawing→milling→heating→hot continuous rolling→cold continuous rolling→edge trimming→levelling→coating. The specific process parameters are as follows:

[0057] (2) Melting and casting: the mass percentage of the chemical composition of the ingot after melting and casting is (single ≤0.05% of other impurity elements, ≤0.15% of other impurity elements in total):

[0058] Si

Fe

Cu

mn

Mg

Ti

Cr ...

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Abstract

The invention discloses an aluminum alloy color-coated sheet strip (AA01 alloy color-coated aluminum sheet) and a production method thereof. The mass percentages of its chemical components are: Si≤0.2%, Fe: 0.30-0.45%, Cu: 0.10-0.20%, Mn: 0.60-0.90%, Mg: 1.6-2.1%, Cr≤0.10%, Ti: 0.01-0.04%, other impurity elements individually ≤0.05%, other impurity elements total ≤0.15%, and the rest is Al. The production process is: casting, sawing, milling, heating, hot rolling, cold rolling, trimming and leveling, coating. The aluminum alloy color-coated sheet and strip material of the invention has unique alloy composition, high strength and good processing formability.

Description

technical field [0001] The invention relates to the field of aluminum alloy manufacturing, in particular to a high-strength aluminum alloy color-coated sheet strip for roof panels and a production method thereof. Background technique [0002] Due to the advantages of light weight, high strength, corrosion resistance, various surface treatments, easy processing, and environmental protection, aluminum alloy has become an ideal material to replace color steel plates as roofs and exterior walls of steel structures. At present, the widely used aluminum alloy color-coated panels for roof panels are mainly aluminum-manganese alloys such as 3003, 3004, and 3104. Due to their low formability in the full-hard state, semi-hard states are required, resulting in complex processing procedures and low strength. Under the conditions of use, the thickness needs to be increased compared with the color steel plate, so the cost is higher. Contents of the invention [0003] Based on this, the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C21/08C22F1/047
Inventor 黄文辉冷正长沈训良谢劲松肖亮韩军峰刘伟甘志斌
Owner ALUHOUSE TECHGD CO LTD
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