CHE427SHA抗氢钢专用焊条堆焊焊条:D102D106D107D112D212D256D307D337D507MoD547MoD707D802D812D842D707耐磨焊条 不锈钢焊条:A102A107A132A202A137A212A302A307A312A402A407A502A507A607A707A802 铸铁焊条:Z100Z116Z117Z122FeZ208Z238Z248Z258Z268Z308Z408Z438Z508 镍基焊条:Ni102Ni112Ni202Ni207Ni307Ni307ANi307BNi317Ni327Ni33