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A kind of 6061-h2x state aluminum alloy pattern plate and preparation method thereof

A 6061-H2X, aluminum alloy technology, applied in the 6061-H2X state aluminum alloy pattern plate and its manufacturing field, can solve the problems of large fluctuation range of mechanical properties, poor anodic oxidation effect, oil spot performance, etc., and achieve uniform color, The effect of fast heating speed and short heating time

Active Publication Date: 2020-05-22
河南明晟新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the corrosion resistance of the 5-series aluminum alloy plate is better, the anodic oxidation effect is slightly worse than that of the 6-series aluminum alloy
[0003] Conventional 6061 aluminum alloy plates / strips are mostly presented in O state or T state and H1X state. The H2X state, especially the H22 and H24 states, represent the product state obtained by partial annealing. Due to partial annealing, its disadvantage is the mechanical properties Large fluctuation range, traditional box annealed products are prone to oil spots and difficult to control performance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] The preparation of a 6061-H22 state aluminum alloy checkered plate comprises the following steps:

[0034] Step 1: Ingredients:

[0035] The raw materials are formulated according to the following weight percentages: Si 0.55%, Fe 0.2%, Cu 0.2%, Mn ≤0.15%, Mg 1.0%, Cr 0.18%, Zn ≤0.1%, Ti 0.02%, and the balance is Al.

[0036] Melting and casting:

[0037] Melt the mixed metal at 700°C to 750°C for 5 to 8 hours, carry out static refining according to the routine, degas, add grain refiner, filter, and measure the hydrogen content in the launder to be ≤0.1mL / 100gAL; then at 690 The semi-continuous casting method is used for casting between ℃~730℃, the casting speed is 50~65mm / min, and the ingot size is determined according to the actual width of the product.

[0038] Step 2: Homogenizing heat treatment:

[0039] The ingot is subjected to a homogenization heat treatment at 550°C to 570°C for a holding time of 8 to 12 hours. After it is cooled in the air, it is machined, a...

Embodiment 2

[0051] A kind of preparation of 6061-H24 state aluminum alloy checked plate, comprises the following steps:

[0052] Step 1: Ingredients:

[0053] The raw materials are formulated according to the following weight percentages: Si 0.65%, Fe 0.3%, Cu 0.28%, Mn≤0.15%, Mg1.15%, Cr 0.23%, Zn≤0.1%, Ti 0.03%, and the balance is Al.

[0054] Melting and casting:

[0055] Melt the mixed metal at 700°C to 750°C for 5 to 8 hours, carry out static refining according to the routine, degas, add grain refiner, filter, and measure the hydrogen content in the launder to be ≤0.1mL / 100gAL; then at 690 The semi-continuous casting method is used for casting between ℃~730℃, the casting speed is 50~65mm / min, and the ingot size is determined according to the actual width of the product.

[0056] Step 2: Homogenizing heat treatment:

[0057] The ingot is subjected to a homogenization heat treatment at 550°C to 570°C for a holding time of 8 to 12 hours. After it is cooled in the air, it is machined,...

Embodiment 3

[0069] The preparation of a 6061-H22 state aluminum alloy checkered plate comprises the following steps:

[0070] Step 1: Ingredients:

[0071] The ingredients are prepared according to the following weight percentage: Si 0.60%, Fe 0.25%, Cu 0.24%, Mn 0.15%, Mg1.12%, Cr 0.20%, Zn 0.1%, Ti 0.025%, and the balance is Al.

[0072] Melting and casting:

[0073] Melt the mixed metal at 700°C to 750°C for 5 to 8 hours, carry out static refining according to the routine, degas, add grain refiner, filter, and measure the hydrogen content in the launder to be ≤0.1mL / 100gAL; then at 690 The semi-continuous casting method is used for casting between ℃~730℃, the casting speed is 50~65mm / min, and the ingot size is determined according to the actual width of the product.

[0074] Step 2: Homogenizing heat treatment:

[0075] The ingot is subjected to a homogenization heat treatment at 550°C to 570°C for a holding time of 8 to 12 hours. After it is cooled in the air, it is machined, and t...

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Abstract

The invention relates to a 6061-H2X aluminum alloy pattern plate and a preparation method thereof. The pattern plate is composed of the following raw materials in percentage by weight: 0.55 to 0.65 percent of Si, 0.2 to 0.3 percent of Fe, 0.2 to 0.28 percent of Cu, Mn <=0.15 percent of Mn, 1.0 to 1.15 percents of Mg, 0.18 to 0.23 percent of Cr, Zn <=0.1 percent, 0.02 to 0.03 percent of Ti and thebalance of Al. Preparation is performed according to the following steps: batching, smelting and casting; ingot soaking, machining surface milling; hot rolling; cold rolling and blooming; cold embossing; continuous annealing; withdrawal and straightening or cross-cutting. The 6061-H2X aluminum alloy pattern plate has certain hardness, good corrosion resistance and cold workability, no naked cracks, no orange peel lines after 90 degree bending, the plate has a fine surface, can be anodized and colored, also can be painted, and is suitable for building decoration materials.

Description

technical field [0001] The invention relates to the field of metal manufacturing, in particular to a 6061-H2X state aluminum alloy checkered plate and a manufacturing method thereof. Background technique [0002] Ordinary checkered plates are mostly processed with 1060, 3003, 5052 aluminum alloys in series 1, series 3, and series 5 as the base. In comparison, the 1-series and 3-series aluminum alloy checkered plates have lower hardness and slightly poorer wear resistance, and are mostly used in ordinary environments and rust prevention with less stringent application requirements. Although the corrosion resistance of the 5-series aluminum alloy plate is better, the anodic oxidation effect is slightly worse than that of the 6-series aluminum alloy. [0003] Conventional 6061 aluminum alloy plates / strips are mostly presented in O state or T state and H1X state. The H2X state, especially the H22 and H24 states, represent the product state obtained by partial annealing. Due to ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C21/08C22F1/047B21C37/02
CPCB21C37/02C22C21/08C22F1/047
Inventor 宋喜波李克振李坤朋柴明科
Owner 河南明晟新材料科技有限公司
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