二保焊丝用ER50-6 (RM-56 JM-56 THQ-50C等 )氩弧焊丝用H08Mn2Si (TIG-50)焊条用J507(E5015)这里是16Mn与27SiMn焊接的论文供你参考:http://wenku.baidu.com/view/f8a79c3131126edb6f1a10b6.html