| 发明名称 |
BUTT-WELDED JOINT FORMED USING ELECTRON BEAM |
| 摘要 |
A welding joint comprises a pair of steel materials, and a welding metal that is formed with a high-energy density beam at a butt welding portion between the pair of steel materials, wherein a transformation starting temperature Ms that is calculated by a following formula: Ms(°C) = 371 - 353C - 22Si - 24. 3Mn - 7. 7Cu - 17. 3Ni - 17. 7Cr - 25. 8Mo, using a composition of mass% of the welding metal is 250°C or less. |
| 申请公布号 |
EP2508291(A1) |
申请公布日期 |
2012.10.10 |
| 申请号 |
EP20100834666 |
申请日期 |
2010.12.03 |
| 申请人 |
NIPPON STEEL CORPORATION |
发明人 |
ISHIKAWA, TADASHI;HONMA, RYUICHI;ICHIKAWA, KAZUTOSHI |
| 分类号 |
B23K26/26;B23K15/00;B23K15/06;B23K26/211;B23K35/30;B23K101/06;B23K101/18;B23K103/04;C22C38/08;C22C38/14;C22C38/16;F03D1/00 |
主分类号 |
B23K26/26 |
| 代理机构 |
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代理人 |
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