This paper mainly presents that constructional mid-carbon alloy steel, after bulk moulding deformation, heat treatment and cold surface deformation can raise fatigue strength of materials effectively.

本文主要介绍中碳合金结构钢经整体塑性变形、热处理后再进行表面冷变形工艺是提高材料疲劳强度的有效途径。

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The rapid quantitative analysis of nitrogen in alloy constructional steel and electrical engineering steel with optical emission spectrometry is described.

叙述了用原子发射光谱法快速定量分析合金结构钢和电工钢中氮。

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The utility model can be used for the production of cold rolled sheets and hot rolled sheets of low-alloy steel, carbon constructional steel, stainless steel and various non-ferrous metal plates.

可用于低碳钢、低合金钢、碳素结构钢、不锈钢及各种有色金属板带材的轧制冷轧板带和热轧板带生产。

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