1050-H16 aluminum alloy plate strip and production method thereof

An aluminum alloy strip and production method technology, applied in the field of aluminum alloy manufacturing, can solve problems such as high requirements for annealing temperature uniformity, high temperature control requirements for annealing furnaces, unsatisfactory surface quality, etc., and achieves elimination of uneven structure of ingots. , The mechanical properties are stable and qualified, and the effect of reducing the instability of yield strength

Active Publication Date: 2013-04-03
ALUHOUSE TECHGD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

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; Low, it is not easy to remove the 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 the surface requirements of advanced anodized exterior materials

Method used

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  • 1050-H16 aluminum alloy plate strip and production method thereof
  • 1050-H16 aluminum alloy plate strip and production method thereof
  • 1050-H16 aluminum alloy plate strip and production method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] The production process of the 1050-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:

[0024] (1) Melting and casting: the mass percentage of the chemical composition of the ingot after melting and casting is controlled at Si: 0.03%, Fe: 0.28%, 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; the melting temperature is 730-750°C, the refining temperature is 740°C, the casting temperature is 670°C, and the casting speed is 65mm / min;

[0025] (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 7mm respectively;

[0026] (3) Heating: the ingot heating temperature is 560-570°C, the holding time is 3 hours, and the heat preservation time is 450-470°C for 3 hours to be released...

Embodiment 2

[0034] The production process of the 1050-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:

[0035] (1) Melting and casting: the alloy chemical composition (mass percentage) of the ingot is controlled at Si: 0.10%, Fe: 0.38%, Cu≤0.05%, Mn≤0.05%, Mg≤0.05%, Zn≤0.05%, Ti: 0.01 %, other impurities individually ≤0.02%, total ≤0.10%, and the rest are Al. The melting temperature is 730-750°C, the refining temperature is 750°C, the casting temperature is 700°C, and the casting speed is 55mm / min.

[0036] (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 8mm and 6mm respectively;

[0037] (3) Heating: the ingot heating temperature is 570°C, the holding time is 3 hours, and it is turned to 470°C for 3 hours and released from the furnace.

[0038] (4) Hot r...

Embodiment 3

[0044]The production process of the 1050-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:

[0045] (1) Melting and casting: the alloy chemical composition (mass fraction) of the ingot is controlled at Si: 0.05%, Fe: 0.20%, Cu≤0.05%, Mn≤0.05%, Mg≤0.05%, Zn≤0.05%, Ti: 0.01 %, other impurities individually ≤0.02%, total ≤0.10%, and the rest are Al. The melting temperature is 730-750°C, the refining temperature is 745°C, the casting temperature is 695°C, and the casting speed is 55mm / min.

[0046] (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;

[0047] (3) Heating: the ingot is heated at 550°C, held for 3 hours, turned to 500°C for 3 hours and released from the furnace.

[0048] (4) Hot rolling: After hot rough rolling a...

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Abstract

The invention discloses a 1050-H16 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 in the fusion casting process, an ingot casting subjected to fusion casting comprises the following chemical components in percentage by mass: not more than 0. 2 percent of Si, 0.20-0.40 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; blooming forging is carried out at 450-500 DEG C through hot rough rolling, wherein the stock thickness is 30-60mm, and the intermediate slab temperature is 400-460 DEG C; and in the hot rolling process, the finish rolling temperature is 300-320 DEG C, and the reeling thickness is 2.5-8mm. The production method disclosed by the invention ensures that the mechanical property of the 1050-H16 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-H16 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 H16 state not only has good formability, but also has moderate strength. As a high-grade decorative material, i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/00C22C1/02C21D8/02C22F1/04
Inventor 曲明洋张俊才黄文辉王英武冷正长徐炳申马俊勇
Owner ALUHOUSE TECHGD CO LTD
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