采用埋弧焊方法，通过改变焊丝铜含量来改变焊缝金属中的铜含量，研究铜对高强度低合金钢焊缝金属韧性的影响。

In this paper, the effect of copper content on the weld metal toughness in SAW of HSLA steels was studied by changing the copper content in welding wire.

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本文介绍采用高碳中铬合金钢作为磨机衬板材料，按照正交设计法优选热处理工艺参数，得到材料韧性和硬度的理想配合。

The mill Liners of high-carbon medium-chromium alloy steel have ideal coordination of toughness and hardness after optimum heat treatment determined by cross-design.

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本文研究了一种高韧性的耐磨合金钢。

A wear resisting alloy steel with high toughness has been studied.

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