For a turbine rotor 12Cr alloy steel, turbine rotor and manufacturing method thereof

摘要

PROBLEM TO BE SOLVED: To provide a turbine rotor material which has corrosion resistance and stress corrosion cracking resistance securely, and adequate balance between strength and toughness, and a manufacturing method therefor.;SOLUTION: The 12-Cr alloy steel for the turbine rotor comprises, by wt.%, 0.01-0.10% C, 0.01-0.50% Si, 0.1-1.0% Mn, 9-13% Cr, 2-7% Ni, 0.3-3% Mo, 0.01-0.10% N, and the balance Fe with associated impurities.;COPYRIGHT: (C)2003,JPO