| 发明名称 |
ELECTRIC RESISTANCE WELDED STEEL PIPE WITH EXCELLENT WELD TOUGHNESS FOR LINE PIPE |
| 摘要 |
An electric resistance welded steel pipe for line pipe excelling in weld part toughness, exhibiting an area fraction of microdefects of less than 50 .mu.m maximum length in a projection plane of electric resistance weld part ranging from 0.000006 to 0.035 and exhibiting an absorbed energy at -40°C, a s measured by a metal material impact testing method, of 100 J or greater.
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| 申请公布号 |
CA2679060(A1) |
申请公布日期 |
2008.09.04 |
| 申请号 |
CA20072679060 |
申请日期 |
2007.05.18 |
| 申请人 |
JFE STEEL CORPORATION |
发明人 |
IIZUKA, YUKINORI;YOKOYAMA, HIROYASU;OKABE, TAKATOSHI;KENMOCHI, KAZUHITO |
| 分类号 |
C22C38/00;C22C38/06;C22C38/58 |
主分类号 |
C22C38/00 |
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