冷轧辊是冷态金属轧制设备上的主要部件,由于冷轧辊的服役条件特殊,工作环境恶劣,对它的消耗量较大,因而对它的使用性能提出很高要求,如高耐磨性、高抗剥落性、辊面较高硬度均匀性、较深的淬硬层深度[1]。为了满足冷轧机的轧制性能要求,冷轧辊常用高碳铬合金工具钢材料制作,前期通过严格的冶炼、铸锭、电渣重熔、锻造辊坯,后期再经过合理规范的热 Cold roll is the main part of the cold metal rolling equipment. Due to the special service conditions of the cold roll, the working environment is harsh and the consumption of the cold roll is relatively large, therefore, its performance requirements are high, such as high wear resistance , High anti-spalling, higher hardness uniformity of the roller surface, deeper depth of hardened layer [1]. In order to meet the rolling mill’s rolling performance requirements, cold-rolled high-carbon chromium alloy tool steel commonly used materials, pre-rigorous smelting, ingot, ESR, forging roller billet, and then through a reasonable standard of heat