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1. 发明专利

JPS6146391A Weld metal of two-phase stainless steel excellent in pitting resistance 失效
标题翻译：两相不锈钢焊接金属在耐电压性能方面优秀
公开(公告)号：JPS6146391A
公开(公告)日：1986-03-06
申请号：JP16654684
申请日：1984-08-10
申请人： Nippon Kokan Kk
发明人： HIRABAYASHI KIYOTERU , UME KAZUYOSHI , HYODO TOMOAKI , KITADA TOYOFUMI , TAIRA TADAAKI
IPC分类号： C22C38/00 , B23K9/18 , B23K35/30 , C21D9/50
CPC分类号： B23K35/3086 , C21D9/50
摘要： PURPOSE:To improve pitting resistance of two-phase stainless steel by making submerged arc welding using weld metal of limited composition and making solid solution processing at a limited temperature. CONSTITUTION:The range of composition of the weld metal is: less than 0.05% C, less than 0.6% Si, 0.5-1.5% Mn, 4.0-7.0% Ni, 20-26% Cr, 1.0-5.0% Mo, less than 0.03% P, less than 0.015% S, 0.1-0.2% N, less than 0.035% O in weight and the rest Fe and impurities. This weld metal can be obtained by welding each layer by one electrode or multi-electrode submerged arc welding of more than two electrodes and then solid solution heat treating at a temperature range of 1,000-1,100 deg.C. Less than 0.035% W can be attained accurately by using highly basic flux.
摘要翻译：目的：通过使用有限组成的焊缝金属进行埋弧焊，并在有限的温度下进行固溶处理，以提高两相不锈钢的耐点蚀性。构成：焊接金属的组成范围为：小于0.05％C，小于0.6％Si，0.5-1.5％Mn，4.0-7.0％Ni，20-26％Cr，1.0-5.0％Mo，小于 0.03％P，小于0.015％S，0.1-0.2％N，小于0.035％O，余量为Fe和杂质。该焊接金属可以通过一个电极或多个电极埋弧焊多个电极焊接每层，然后在1000-1100℃的温度范围内进行固溶热处理。通过使用高碱性助焊剂可以准确地获得低于0.035％的W。

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