Patent ID: 9121080
Filing Date: 2015-09-01
Classification: C21D,C22C

Abstract:
1. A steel wire comprising iron and, by mass % based on a total mass of the steel wire: C: 0.70%-1.20%; Si: 0.1%-1.5%; Mn: 0.1%-1.5%; P: 0.015% or less not including 0%; S: 0.015% or less not including 0%; Al: 0.005% or less not including 0%; B: 0.0005%-0.010%; N: 0.002%-0.005%; and solid solution N: 0.0015% or less including 0%, wherein an area ratio of a pearlite structure is 90% or more, and in a pearlite structure of 2,000 μm