Applied Area:420 stainless steel ball is used in the industries of high precision and antirust: motorcycle fittings, chain wheel, stainless steel bearings, plastic bearings, craftworks, valve, petroleum facilities and so on.
Speciality:It is also called stainless iron, it is magnetic and has good antirust capability. The HRC is 50-55.

Chemical composition of 420 stainless steel balls
Coffy

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