发明名称 |
Material for steel wool |
摘要 |
A material for steel wool is disclosed which essentially consists of 0.05 to 0.20% of C, up to 0.10% of Si, 0.50 to 1.30% of Mn, 0.035 to 0.10% of P, up to 0.04% of S,0.05 to 0.15% of N and the balance Fe. In this material, Al2O3 inclusions with sizes not smaller than 3 microns are suppressed to a level not greater than 20 ppm and when the content of the Al2O3 inclusions (3 microns and over) is in the range of 5 to 20 ppm, Al2O3 inclusions with a size ranging from 3 to 10 microns is contained in an amount not smaller than 30% of the total content of Al2O3 inclusions with sizes not smaller than 3 microns.
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申请公布号 |
US4432792(A) |
申请公布日期 |
1984.02.21 |
申请号 |
US19820429619 |
申请日期 |
1982.09.30 |
申请人 |
KABUSHIKI KAISHA KOBE SEIKO SHO |
发明人 |
KAWAKAMI, HEIJIRO;FURUSAWA, SADAYOSHI;HASEGAWA, TOYOFUMI;SATO, HITOSHI;TANAKA, KATSUMASA;KOARAI, JIRO |
分类号 |
C22C38/00;C22C38/04;(IPC1-7):C22C38/00 |
主分类号 |
C22C38/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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