WEAR RESISTANT Cr BASED STAINLESS STEEL WIRE ROD OR STEEL WIRE HAVING EXCELLENT CORROSION RESISTANCE AND COLD WORKABILITY, AND MATERIAL FOR LOOM REED USING THE STEEL WIRE

摘要

PROBLEM TO BE SOLVED: To enhance the total cost performance of a wear resistant component by improving the corrosion resistance, cold workability and wear resistance of a Cr based stainless steel wire rod or steel wire.;SOLUTION: The Cr based stainless steel wire rod or steel wire has a composition comprising, by mass, 0.05 to 0.30% C, 0.05 to 2.0% Si, 0.1 to 1.5% Mn, 12 to 17.5% Cr, 0.05 to 3.0% Mo and 0.01 to 0.15% N, further comprising one or more kinds selected from 0.05 to 1.0% Nb, 0.05 to 1.0% Ti and 0.05 to 1.0% V, and satisfying the conditions that PI value by formula (A) is ≥14.0 and CI value by formula (B) is 3 to 20, and comprises carbonitride (carbide+nitride) of 1 to 8% by the total content in the matrix composed of a ferritic structure: PI value=Cr+3Mo-17C-7N (A), and CI value=(V+Ti+Nb)/C (B).;COPYRIGHT: (C)2006,JPO&NCIPI