Method for producing steel material for friction welding

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United States of America Patent

PATENT NO 9194033
APP PUB NO 20150159247A1
SERIAL NO

14380132

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Abstract

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A chemical composition includes, in mass percent, C: 0.30 to 0.55%, Si: 0.05 to 1.0%, Mn: 0.05 to 0.9%, P: 0.001 to 0.030%, S: 0.005 to 0.12%, Cr: 0.05 to 2.0%, Al: 0.005 to 0.05%, N: 0.0050 to 0.0200%, and the balance being Fe and unavoidable impurities, an amount of N in solid solution being not less than 0.0020%, wherein the contents of Mn and S satisfy relationships expressed by the following expressions:

description='In-line Formulae' end='lead'2.6≦Mn/S<15  (1) anddescription='In-line Formulae' end='tail'

description='In-line Formulae' end='lead'Mn+6S<1.2  (2).description='In-line Formulae' end='tail'

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Patent Owner(s)

  • AICHI STEEL CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Makino, Komei Aichi, JP 2 0
Mizuno, Hiroyuki Aichi, JP 287 3344

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