Super non-magnetic soft stainless steel wire material having excellent cold workability and corrosion resistance, method for manufacturing same, steel wire, steel wire coil, and method for manufacturing same

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United States of America Patent

PATENT NO 9863016
SERIAL NO

14430144

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Abstract

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This super non-magnetic soft stainless steel wire rod includes, in mass %, C: 0.08% or less, Si: 0.05% to 2.0%, Mn: more than 8.0% to 25.0% or less, P: 0.06% or less, S: 0.01% or less, Ni: more than 6.0% to 30.0% or less, Cr: 13.0% to 25.0%, Cu: 0.2% to 5.0%, N: less than 0.20%, Al: 0.002% to 1.5%, and C+N: less than 0.20%, with the remainder being Fe and inevitable impurities, in which Md30, which is expressed as Equation (a) described below, is −150 or less.

description='In-line Formulae' end='lead'Md30=413−462(C+N)−9.2Si−8.1Mn−9.5Ni−13.7Cr−29Cu  (a)description='In-line Formulae' end='tail'

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Patent Owner(s)

Patent OwnerAddress
NIPPON STEEL & SUMIKIN STAINLESS STEEL CORPORATIONCHIYODA-KU TOKYO 100-0004
SUZUKI-SUMIDEN STAINLESS STEEL WIRE CO LTDMARUNOUCHI CENTER BUILDING 1-9-1 MARUNOUCHI CHIYODA-KU TOKYO 100-0005

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hikasa, Yuya Shunan, JP 1 1
Tada, Yoshinori Hikari, JP 2 15
Takano, Kohji Hikari, JP 46 313
Tendo, Masayuki Kimitsu, JP 6 40
Yoshimura, Koichi Narashino, JP 39 224

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