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9SiCr钢的淬透性、淬硬性和回火稳定性均较好,广泛用于冷作模具。研究在满足硬度的基础上,用深冷处理提高9SiCr钢中模强韧性的方法。
9SiCr steel hardenability, hardenability and tempering stability are good, widely used in cold work die. Study to meet the hardness, based on the cryogenic treatment of 9SiCr steel to improve the strength and toughness of the method.