论文部分内容阅读
新开发的新型热精锻模具钢3Cr4Mo2NiVNb热强性明显高于H13，在应用过程中，模具寿命较3Cr2W8V钢高0．5～2倍。
The newly developed hot forging die steel 3Cr4Mo2NiVNb hot strength was significantly higher than the H13, in the application process, the mold life of 3Cr2W8V steel 0.5 to 2 times higher.