Supermartensite 420J2

Martensite: Martensitic stainless steel

The mechanical properties of martensitic stainless steel can be adjusted by heat treatment. It is a kind of harden-able stainless steel. Typical brands are Cr13, such as 2Cr13,3Cr13,4Cr13, etc. It has high hardness after quenching, and with different tempering temperatures, it can have different strong-toughness combination. It is mainly used in steam turbine blade, tableware, surgical operating instrument.