发明申请
US20110248071A1 AUSTENITIC WELDING MATERIAL, AND PREVENTIVE MAINTENANCE METHOD FOR STRESS CORROSION CRACKING AND PREVENTIVE MAINTENANCE METHOD FOR INTERGRANULAR CORROSION, USING SAME
有权
奥氏体焊接材料和预防性维护方法，用于应力腐蚀开裂和预防性维护方法，用于晶间腐蚀，使用相同
- 专利标题： AUSTENITIC WELDING MATERIAL, AND PREVENTIVE MAINTENANCE METHOD FOR STRESS CORROSION CRACKING AND PREVENTIVE MAINTENANCE METHOD FOR INTERGRANULAR CORROSION, USING SAME
- 专利标题（中）： 奥氏体焊接材料和预防性维护方法，用于应力腐蚀开裂和预防性维护方法，用于晶间腐蚀，使用相同
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申请号： US13140674申请日： 2009-12-16
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公开(公告)号： US20110248071A1公开(公告)日： 2011-10-13
- 发明人: Kiyoshi Kiuchi , Ikuo Ioka , Chiaki Kato , Nobutoshi Maruyama , Ichiro Tsukatani , Makoto Tanabe , Jumpei Nakayama
- 申请人： Kiyoshi Kiuchi , Ikuo Ioka , Chiaki Kato , Nobutoshi Maruyama , Ichiro Tsukatani , Makoto Tanabe , Jumpei Nakayama
- 申请人地址： JP NAKA-GUN JP KOBE-SHI JP KOBE-SHI
- 专利权人： JAPAN ATOMIC ENERGY AGENCY,KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.),KOBELCO RESEARCH INSTITUTE, INC.
- 当前专利权人： JAPAN ATOMIC ENERGY AGENCY,KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.),KOBELCO RESEARCH INSTITUTE, INC.
- 当前专利权人地址： JP NAKA-GUN JP KOBE-SHI JP KOBE-SHI
- 优先权： JP2008-322639 20081218
- 国际申请： PCT/JP09/70965 WO 20091216
- 主分类号： B23K31/02
- IPC分类号： B23K31/02 ; C22C38/50 ; C22C30/00 ; C22C38/40
摘要：
Disclosed is an austenitic welding material which contains C: 0.01 wt % or less, Si: 0.5 wt % or less, Mn: 0.5 wt % or less, P: 0.005 wt % or less, S: 0.005 wt % or less, Ni: 15 to 40 wt %, Cr: 20 to 30 wt %, N: 0.01 wt % or less, 0: 0.01 wt % or less, and the balance of Fe and inevitable impurities, wherein the content of B contained as one of the inevitable impurities in the welding material is 3 wt ppm or less, and the total content of C, P, S, N and O in the welding material is 0.02 wt % or less.
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