PRECIPITATION-HARDENING STAINLESS STEEL AND STAINLESS STEEL COMPONENT

摘要

A precipitation-hardening stainless steel according to the present invention comprises 7 to 17 mass% inclusive of Cr, 4 to 14 mass% inclusive of Ni, 0.05 to 5 mass% inclusive of Ti, 0 to 1.0 mass% exclusive of Si, 0.05 to 2.0 mass% inclusive of Mn, more than 0 mass% and 0.6 mass% or less of W, and more than 1.0 mass% and 2.5 mass% or less of V, with the remainder made up by Fe and unavoidable impurities.