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About Martensitic Stainless Steel

July 12, 2022

Martensitic stainless steel is a kind of stainless steel whose mechanical properties can be adjusted by heat treatment. 

The typical grade of martensitic stainless steel is Cr13 type, such as 2Cr13, 3Cr13, 4Cr13 and so on. The hardness after quenching is higher, and different tempering temperatures have different combinations of strength and toughness. It is mainly used for steam turbine blades, tableware, and surgical instruments. 

According to the difference of chemical composition, martensitic stainless steel can be divided into martensitic chromium steel and martensitic chromium-nickel steel. According to the different structure and strengthening mechanism, it can also be divided into martensitic stainless steel, martensitic and semi-austenitic (or semi-martensitic) precipitation hardening stainless steel and maraging stainless steel.

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