4Vacuum Heat Treatment of H13 Tool Steel (NADCA Recommened Procedures),2003(内部资料).
5NADCA#207-2003 Premium and Superior Quality H13 Steel and Heat Treatment Acceptance Criteria for Pressure Die Casting Dies (s).
6Jeffrey A.Conybear.Vacuum Hardening of H13 die steel:Experience with Convective Assisted Heating and Isothermal Holding in Regard to Distortion and Metallurgical Properties[J].Industrial Heating,August 1993.
