Type of precipitation hardening stainless steel for angular contact ball bearing

With the continuous improvement of the industrial level, the bearings used in some equipment are required to have good corrosion resistance and certain mechanical strength. Ordinary alloy materials can no longer meet the requirements for the production of precision bearings, and they need to be replaced by high-strength materials that can resist heat. Therefore, precipitation hardening stainless steel materials have been developed and applied. Then the following small and medium parts will introduce the thermal types of precipitation hardening stainless steel for precision bearings. Martensite: Martensite precipitation hardening stainless steel can be divided into martensite precipitation hardening type and martensite age hardening type. However, all kinds of martensitic precipitation hardening stainless steels are supplied in martensitic state, and precipitation hardening effect can be achieved by simple aging treatment. Semi austenitic stainless steel: semi austenitic precipitation hardening stainless steel. The supply state is austenite. This type of steel must be transformed from austenite to martensite through special heat treatment before precipitation hardening treatment. Austenitic type: Austenitic precipitation hardening stainless steel is supplied in the austenitic state and can be precipitation hardened directly.