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Ultra-deep stamped steel sheet

A stamping steel plate, ultra-deep technology, applied in the field of iron and steel metallurgy, can solve the problems of unstable performance, increase the cost of production process, etc., achieve the effect of low production cost, improve deep drawing performance, and refine the grain of strip steel

Inactive Publication Date: 2014-05-14
无锡市森信精密机械厂
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, the above-mentioned steel plates require strict control of the content of alloying elements and the cooperation of the production process. Although the cost of the alloying elements is not increased, the cost of the production process is increased, and its performance is unstable.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] An ultra-deep drawn steel plate, the steel plate is composed of the following components in terms of weight fraction: C: 0.03%, Mn: 0.35%, Al s: 0.030%, Si: 0.045%, Ti: 0.03%, Nb: 0.3% , P: ≤0.010, S: ≤0.008, N: ≤0.0030%, O: ≤0.0035%, and the balance is Fe and unavoidable impurities.

Embodiment 2

[0017] An ultra-deep drawn steel plate, the steel plate is composed of the following components in terms of weight fraction: C: 0.05%, Mn: 0.25%, Al s: 0.070%, Si: 0.035%, Ti: 0.05%, Nb: 0.2% , P: ≤0.010, S: ≤0.008, N: ≤0.0030%, O: ≤0.0035%, and the balance is Fe and unavoidable impurities.

Embodiment 3

[0019] An ultra-deep drawn steel plate, the steel plate is composed of the following components in terms of weight fraction: C: 0.035%, Mn: 0.32%, Al s: 0.040%, Si: 0.042%, Ti: 0.035%, Nb: 0.27% , P: ≤0.010, S: ≤0.008, N: ≤0.0030%, O: ≤0.0035%, and the balance is Fe and unavoidable impurities.

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PUM

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Abstract

The invention discloses an ultra-deep stamped steel sheet. The steel sheet consists of the following components in percentage by weight: 0.03-0.05% of C, 0.25-0.35% of Mn, 0.03-0.070% of Als, 0.035-0.045% of Si, 0.03-0.05% of Ti, 0.2-0.3% of Nb, P being less than or equal to 0.010%, S being less than or equal to 0.008%, N being less than or equal to 0.0030%, O being less than or equal to 0.0035%, and the balance being Fe and inevitable impurities.

Description

technical field [0001] The invention relates to the technical field of iron and steel metallurgy, in particular to an ultra-deep drawn steel plate. Background technique [0002] In recent years, with the rapid development of the automobile, home appliance and machinery industries and the intensification of competition in the steel industry, the demand for high value-added, high-quality, high-tech and low-cost varieties of steel is increasing. The development and manufacture of ultra-deep drawing steel can be Provide excellent manufacturing raw materials for related industries, and at the same time create good economic benefits for iron and steel enterprises. [0003] There are many studies on steel for stamping at home and abroad, mainly focusing on aluminum-killed steel for general stamping and steel for ultra-low carbon ultra-deep drawing. [0004] Patent No. 200710061819.9 reports a cold-rolled deep-drawing steel and a steelmaking method. The chemical composition ratio i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C38/14
Inventor 华兆红
Owner 无锡市森信精密机械厂