高碳低合金模具钢7CrNiSiMnMoV的性能、应用及热处理

The property Application and Heat-treatmet of High-carbon Low-alloy Die Steel 7CrNiSiMnMoV

简述了高碳低合金模具钢7CrNiSiMnMoV（GD）钢的台金化特点，比较分析了GD钢的力学性能特点．讨论了GD钢的热处理方法。

In this paper, the alloying feature of the high-carbon low-alloy die steel is stated briefly, the characteristics of mechanical property of the steel are compared and analyzed, and the heat-treatment method of the steel is also discussed herein.