QUENCH HARDENED MARTENSITIC STAINLESS STEEL EXCELLENT IN CORROSION RESISTANCE

摘要

PROBLEM TO BE SOLVED: To provide a martensitic stainless steel which is soft and is rich in workability before quench and has a sufficient hardness after quench.;SOLUTION: The martensitic stainless steel for quenching treatment comprises, by mass, C of 0.05 to 0.5%, Si of 1.0% or less, Mn of 2.0% or less, Ni of 0.05 to 1.0%, Cr of 10 to 16%, Cu of 1.0 to 3.0% and the remaining part of Fe and inevitable impurities, wherein Cu deposited as ε-Cu is 0.2 vol.% or more.;COPYRIGHT: (C)2011,JPO&INPIT