Production mannered null mass of the high intensity stainless steel steel wire and the wire rod and the steel wire of the large diameter which is superior

摘要

PROBLEM TO BE SOLVED: To inexpensively provide thick-sized high strength stainless steel wire and wire rod having excellent ductility for inexpensively producing a product such as a thick-sized spring having excellent lightness and durability.;SOLUTION: The high strength stainless steel wire comprises, by mass, 0.01 to 0.13% C, 0.3 to 4.0% Si, 0.3 to 8.0% Mn, 1.0 to 6.0% Ni, 14.0 to 18.0% Cr and 0.05 to 0.20% N, has Md value of 50 to 120, has a tensile strength of 1,600 N/mm², and has a wire diameter of ϕ4.5 to 15 mm: the Md value=551-462(C+N)-9.2Si-8.1Mn-29(Ni+Cu+Co)-13.7Cr-18.5Mo.;COPYRIGHT: (C)2008,JPO&INPIT