Meanwhile the process controls effectly the content of residual austenitic,hardenability is raised,and hardness of the cast iron can be reached 59HRC.It not only simplifies the process of ...

• 同时复合变质处理有效地控制了残留奥氏体量,提高了淬透性,使铸件铸态硬度高达59HRC,不仅简化了热处理工序,而且有利于铸件尺寸稳定和耐磨性能的提高。