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本项研究工作的目的在于探求以锰为主要合金元素的低合金工具钢来代替目前应用较广的OXG钢的可能性、新钢种的化学成分是以10钢的成分为基础加入锰(1.1～1.6％)、钒(0.20～0.30％)、钼(0.2～0.3％)、钨(0.4～0.5％)及铬(0.4～0.5％)共分为锰钒、锰钼、锰铬钨与锰四种类型、对这些钢种进行了热处理过程中的变形,脱炭敏感性,淬透性,冲击韧性,热处理后硬度及金相观察等研究,并与9XC钢和95XTC钢作了比较,初步研究的结果指出新钢种有较好的性能,在各项主要性能方面均能等于或超过9XC钢。
The purpose of this research is to explore the possibility of using low alloy tool steels containing manganese as the main alloying element instead of the currently widely used OXG steels. The chemical composition of the new steels is based on the composition of 10 steels with addition of manganese (1.1 ~ 1.6%), vanadium (0.20-0.30%), molybdenum (0.2-0.3%), tungsten (0.4-0.5%) and chromium Four types of these steel were heat treatment process of deformation, de-carbonization sensitivity, hardenability, impact toughness, hardness and metallographic observation after heat treatment and other studies, and 9XC steel and 95XTC steel were compared, preliminary The results of the study indicate that the new steels have better performance and equal or exceed 9XC steels in all key performance aspects.