发明名称 |
FIRST LAYER OR OVERLAYING LAYER WELDING SECTION OF HIGH Cr STEEL TURBINE ROTOR, CLADDING WELDING MATERIAL FOR WELDING SECTION, AND METHOD FOR MANUFACTURING CLADDING WELDING SECTION |
摘要 |
The present invention relates to a multilayered cladding welding section in which the first layer of the cladding welding section to be formed on a bearings contact surface of a high Cr steel turbine rotor contains 0.05-0.2% C, 0.1-1.0% Si, 0.3-1.5% Mn, 4.0-7.7% Cr, and 0.5-1.5% Mo, the remainder being Fe and unavoidable impurities; a multilayered cladding welding section in which the overlaying layer welding section contains 0.05-0.2% C, 0.1-1.0% Si, 0.3-2.5% Mn, 1.0-4.0% Cr, and 0.5-1.5% Mo; a welding material therefor; and a method for manufacturing a multilayered cladding welding section. |
申请公布号 |
EP2745979(A4) |
申请公布日期 |
2016.03.23 |
申请号 |
EP20120823413 |
申请日期 |
2012.08.17 |
申请人 |
THE JAPAN STEEL WORKS, LTD.;KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.) |
发明人 |
HONMA YUTA;KAYANO RINZO;SAKATA MIKIHIRO;YAMASHITA KEN |
分类号 |
B23K35/30;B23K9/00;B23K9/04;C22C38/00;C22C38/54;F01D25/00 |
主分类号 |
B23K35/30 |
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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