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1100-H16 aluminum alloy plate/strip and production method thereof

A technology for aluminum alloy strips and production methods, which is applied in the field of aluminum alloy manufacturing, can solve problems such as high requirements for annealing temperature uniformity, high requirements for annealing furnace temperature control, and unsatisfactory surface quality, and achieve the elimination of ingot structure irregularities. Uniformity, reduced yield strength instability, stable and qualified mechanical properties

Active Publication Date: 2013-04-24
ALUHOUSE TECHGD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] However, when this method adopts the finished product annealing process, the requirements for the uniformity of the annealing temperature are high, the temperature control of the annealing furnace is high, and the performance is unstable, especially the yield strength; at the same time, if the cold rolling oil is not cleaned completely, the finished product annealing temperature Relatively low, it is not easy to remove cold rolling oil, and it is easy to produce surface defects such as oil spots, and the surface quality cannot meet the surface requirements of some products, especially advanced anodized appearance materials

Method used

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  • 1100-H16 aluminum alloy plate/strip and production method thereof
  • 1100-H16 aluminum alloy plate/strip and production method thereof
  • 1100-H16 aluminum alloy plate/strip and production method thereof

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Experimental program
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Embodiment 1

[0029] The production method of the 1100-H16 aluminum alloy plate and strip described in this embodiment includes: melting and casting→sawing→face milling→heating→hot rolling→cold rolling. The specific process parameters are as follows:

[0030] (1) Melting and casting: The mass percentage of the chemical composition of the ingot after melting and casting is: Si: 0.10%, Fe: 0.60%, Cu: 0.15%, Mn≤0.05%, Mg≤0.05%, Zn≤0.05%, Ti: 0.010% , Other impurities individually ≤0.02%, total ≤0.10%, the rest is Al; melting temperature is 750-760°C, refining temperature is 745°C, casting temperature is 705°C, casting speed is 55mm / min;

[0031] (2) Face milling: use a milling machine to mill the large and small faces of the ingot separately, and the milling amounts are 10mm and 8mm respectively;

[0032] (3) Heating: the heating temperature of the ingot is 570°C, the holding time is 2 hours, and the heating time is 500°C for 3 hours;

[0033] (4) Hot rolling: after hot rough rolling at 500°...

Embodiment 2

[0040] The production method of the 1100-H16 aluminum alloy plate and strip described in this embodiment includes: melting and casting→sawing→face milling→heating→hot rolling→cold rolling. The specific process parameters are as follows:

[0041] (1) Melting and casting: The mass percentage of the chemical composition of the ingot after melting and casting is: Si: 0.03%, Fe: 0.40%, Cu: 0.08%, Mn≤0.05%, Mg≤0.05%, Zn≤0.05%, Ti: 0.02% , Other impurities individually ≤0.02%, total ≤0.10%, the rest is Al; melting temperature is 745-760°C, refining temperature is 755°C, casting temperature is 685°C, casting speed is 65mm / min;

[0042] (2) Face milling: use a milling machine to mill the large and small faces of the ingot separately, and the milling amounts are 10mm and 6mm respectively;

[0043] (3) Heating: the ingot heating temperature is 550°C, the holding time is 3 hours, and the furnace is turned to 450°C for 3 hours;

[0044] (4) Hot rolling: after hot rough rolling at 450°C, ...

Embodiment 3

[0051] The production method of the 1100-H16 aluminum alloy plate and strip described in this embodiment includes: melting and casting→sawing→face milling→heating→hot rolling→cold rolling. The specific process parameters are as follows:

[0052] (1) Melting and casting: the alloy chemical composition (mass fraction) of the ingot is controlled at Si: 0.09%, Fe: 0.49%, Cu: 0.14%, Mn≤0.05%, Mg≤0.05%, Zn≤0.05%, Ti: 0.03 %, other impurities individually ≤0.02%, total ≤0.10%, the rest is Al; melting temperature is 745-760°C, refining temperature is 750°C, casting temperature is 690°C, casting speed is 60mm / min;

[0053] (2) Face milling: use a milling machine to mill the large and small faces of the ingot separately, and the milling amounts are 8mm and 8mm respectively;

[0054] (3) Heating: the heating temperature of the ingot is 560°C, the holding time is 3 hours, and the heating time is 480°C for 2 hours;

[0055] (4) Hot rolling: after hot rough rolling at 481°C, after 17 pass...

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Abstract

The invention discloses a 1100-H16 aluminum alloy plate / strip and a production method thereof. The production method comprises the following steps of casting, sawing, surface milling, heating, hot rolling and cold rolling. A cast ingot obtained by casting comprises, by mass, less than or equal to 0.20% of Si, 0.30 to 0.60% of Fe, 0.05 to 0.20% of Cu, less than or equal to 0.05% of Mn, less than or equal to 0.05% of Mg, less than or equal to 0.05% of Zn, 0.01 to 0.03% of Ti, less than or equal to 0.10% of total impurities and the balance Al, wherein and the content of a single impurity is less than or equal to 0.02% by mass. A melting temperature is in a range of 740 to 760 DEG C, a refining temperature is in a range of 735 to 755 DEG C, a casting temperature is in a range of 685 to 705 DEG C, and a casting rate is in a range of 55 to 65mm / min. The hot rolling process comprises that a hot rough rolling cogging-down process is carried out at a temperature of 450 to 500 DEG C; a finish rolling temperature is in a range of 310 to 330 DEG C; and coiling thickness is in a range of 2.5 to 8mm. The production method guarantees table and qualified mechanical properties of the 1100-H16 aluminum alloy plate / strip, shortens a production flow and improves production efficiency.

Description

technical field [0001] The invention relates to the field of aluminum alloy manufacturing, in particular to a 1100-H16 aluminum alloy plate and strip and a production method thereof. Background technique [0002] 1100 alloy is one of the most widely used alloys in industrial pure aluminum 1XXX series alloys. This series of alloy products has good plasticity, easy processing procedures, good corrosion resistance, strong reflectivity, good brightness and smoothness. With the development of anodizing technology With the continuous development of the continuous development of aluminum coils, the continuous anodizing production method of aluminum coils has also become a reality. After the 1100 aluminum alloy is anodized, in addition to the performance of the material itself, it has better corrosion resistance, strong anti-fouling ability, and easy The long-lasting, diverse and dazzling decorative products are favored by the majority of customers; the H16 state plate and strip not...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/00C22F1/04B21C37/02B21B1/22
Inventor 张俊才曲明洋黄文辉冷正长王英武姚彩玲李梅邓春龙肖亮徐炳申
Owner ALUHOUSE TECHGD CO LTD
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