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1050-H14 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: 2013-04-03
ALUHOUSE TECHGD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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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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  • 1050-H14 aluminum alloy plate strip and production method thereof
  • 1050-H14 aluminum alloy plate strip and production method thereof
  • 1050-H14 aluminum alloy plate strip and production method thereof

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Experimental program
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Effect test

Embodiment 1

[0029] The production method of the 1050-H14 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: 0.40%, Cu≤0.05%, Mn≤0.05%, Mg≤0.05%, Zn≤0.05%, Ti: 0.015% , Other impurities individually ≤0.02%, total ≤0.10%, the rest is Al; melting temperature is 730-750°C, refining temperature is 740°C, casting temperature is 670°C, casting speed is 65mm / min;

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

[0032] (3) Heating: the heating temperature of the ingot is 550°C, the holding time is 3 hours, and the furnace is turned to 490°C for 3 hours;

[0033] (4) Hot rolling: After hot rough rolling at...

Embodiment 2

[0040] The production method of the 1050-H14 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: 0.20%, Cu≤0.05%, 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 730-750°C, refining temperature is 745°C, casting temperature is 685°C, casting speed is 60mm / min;

[0042] (2) Face milling: use a milling machine to mill the large face and the small face of the ingot respectively, and the milling amount is 10mm and 8mm respectively;

[0043] (3) Heating: the heating temperature of the ingot is 570°C, the holding time is 1 hour, and the furnace is turned to 450°C for 1 hour;

[0044] (4) Hot rolling: After hot rough rollin...

Embodiment 3

[0051] The production method of the 1050-H14 aluminum alloy plate and strip described in this embodiment includes: melting and casting→sawing→face milling→heating→hot continuous 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: 0.06%, Fe: 0.36%, Cu≤0.05%, Mn≤0.05%, Mg≤0.05%, Zn≤0.05%, Ti: 0.011 %, other impurities individually ≤0.02%, total ≤0.10%, the rest is Al; melting temperature is 730-750°C, refining temperature is 735°C, casting temperature is 695°C, casting speed is 55mm / min;

[0053] (2) Face milling: use a milling machine to mill the large face and the small face of the ingot respectively, and the milling amount is 9mm and 6mm respectively;

[0054] (3) Heating: the heating temperature of the ingot is 560°C, the holding time is 3 hours, and the furnace is turned to 500°C for 2 hours;

[0055] (4) Hot rolling: after hot rough rolling...

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Abstract

The invention discloses a 1050-H14 aluminum alloy plate strip and a production method thereof. The production method comprises the following production processes of: fusion casting, saw cutting, plane milling, heating, hot rolling and cold rolling, wherein an ingot casting subjected to fusion casting comprises the following chemical components in percentage by mass: not more than 0. 2 percent of Si, 0.15-0.40 percent of Fe, not more than 0.05 percent of Cu, not more than 0.05 percent of Mn, not more than 0.05 percent of Mg, not more than 0.05 percent of Zn, 0.01-0.03 percent of Ti, not more than 0.02 percent of each of other impurities, and the balance of Al, wherein the other impurities are not more than 0.10 percent in total; the melting temperature is 730-750 DEG C, the refining temperature is 720-750 DEG C, the casting temperature is 670-700 DEG C, and the casting speed is 55-65mm / min; and in the hot rolling step, blooming forging is carried out at 450-500 DEG C through hot rough rolling, wherein the finish reeling temperature is 300-320 DEG C, and the rolling thickness is 2.5-8mm. The production method disclosed by the invention ensures that the mechanical property of the 1050-H14 aluminum alloy plate strip is stable and qualified and has the advantages of shortening the production flow and improving the production efficiency.

Description

technical field [0001] The invention relates to the field of aluminum alloy manufacturing, in particular to a 1050-H14 aluminum alloy plate and strip and a production method thereof. Background technique [0002] 1050 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, and its anodic oxidation and coloring Finally, not only can the corrosion resistance be further improved, but also colorful and dazzling products can be obtained, which is very suitable as a high-end decorative material; at the same time, because of its good photosensitivity, it is also the main material alloy for PS pre-coated photosensitive plate (Presensitized Offset Plate) one. The plate and strip in H14 state not only has good processing formability, but also has moderate strength. As a high-grade decorative ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/00C22F1/04
Inventor 王英武张俊才曲明洋黄文辉冷正长李梅徐炳申黎亮
Owner ALUHOUSE TECHGD CO LTD
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