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Aluminum alloy thick plate for high-strength mold and production method thereof

A production method and aluminum alloy technology, applied in the field of aluminum alloy, can solve the problems of easy rust, poor elasticity, heavy installation, etc., and achieve the effect of uniform chemical composition, small deformation, and fast water quenching speed

Active Publication Date: 2017-02-22
河南泰鸿新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At this stage, the mold is mainly made of steel. The advantages of steel are high strength, good wear resistance and not easy to deform after quenching. However, there are still defects such as easy to rust, heavy installation, and poor elasticity.

Method used

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  • Aluminum alloy thick plate for high-strength mold and production method thereof

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Embodiment 1

[0042] The aluminum alloy thick plate for the high-strength mold of the present invention requires the mass percentage content of each chemical element in the aluminum alloy thick plate to be:

[0043]Si≤0.25%, Fe≤0.45%, Cu 1.6%, Mn≤0.25%, Mg 2.6%, Cr 0.22%, Zn5.5%, Ti 0.025%, and the balance is Al.

Embodiment 2

[0045] The aluminum alloy thick plate for the high-strength mold of the present invention requires the mass percentage content of each chemical element in the aluminum alloy thick plate to be:

[0046] Si≤0.25%, Fe≤0.45%, Cu 1.5%, Mn≤0.25%, Mg 2.4%, Cr 0.19%, Zn5.3%, Ti 0.020%, and the balance is Al.

Embodiment 3

[0048] The aluminum alloy thick plate for the high-strength mold of the present invention requires the mass percentage content of each chemical element in the aluminum alloy thick plate to be:

[0049] Si≤0.25%, Fe≤0.45%, Cu 1.8%, Mn≤0.25%, Mg 2.8%, Cr 0.25%, Zn5.8%, Ti 0.03%, and the balance is Al.

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Abstract

The invention discloses an aluminum alloy thick plate for a high-strength mold and a production method thereof. The aluminum alloy thick plate has the following chemical elements in percentage by mass: Si not more than 0.25%, Fe not more than 0.45%, 1.5-1.8% of Cu, Mn not more than 0.25%, 2.4-2.8% of Mg, 0.19-0.25% of Cr, 5.3-5.8% of Zn, 0.02-0.03% of Ti, and the balance of Al. Firstly, raw materials are put in a smelting furnace for smelting, and are put in a refining furnace for refining; obtained molten aluminum is stood, refined and cast; and an obtained ingot performs surface milling, thermalization, hot rough rolling, quenching, stretching and aging in sequence to obtain the aluminum alloy thick plate for the high-strength mold. The aluminum alloy thick plate for the mold with high strength and flatness, no hole and slag in the internal and higher ductility and yield strength is prepared.

Description

[0001] 1. Technical field: [0002] The invention belongs to the technical field of aluminum alloys, and in particular relates to an aluminum alloy thick plate for a high-strength mold and a production method thereof. [0003] 2. Background technology: [0004] At present, molds are mainly made of steel. The advantages of steel are high strength, good wear resistance and not easy to deform after quenching. However, there are still defects such as easy to rust, heavy installation, and poor elasticity. Ordinary aluminum alloys such as 1-series, 3-series, 4-series, 5-series, and 8-series cannot be used as molds, mainly because such alloys have low strength, low hardness, and cannot be strengthened by heat treatment. If they are made into mold materials, they will cause serious deformation and scrap;7 Series aluminum alloys are the most commonly used aluminum alloys at present. The strength and hardness of 7 series aluminum alloys are poor in hot-rolled and cold-rolled states, but ...

Claims

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Application Information

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IPC IPC(8): C22C21/10C22C1/03C22F1/053C21D9/00
CPCC21D9/0081C22C1/026C22C1/03C22C21/10C22F1/002C22F1/053
Inventor 李国锋
Owner 河南泰鸿新材料有限公司
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