板材拼接焊接工艺参数参照表.doc

板材拼接埋弧焊焊接工艺参数参考表（适用Q235和Q345等级母材, 无预热和后热要求）焊接次序8101214161820222426,283032,3436以上钢板厚度（mm）坡口型式钢板厚度（mm）坡口型式612324214204680按专业用焊接作业指导书或设计图纸确定2230焊剂垫上双面埋弧焊焊接参数焊件厚度/mm根部间隙/mm焊丝直径/mm焊接电流/A焊接电压/V焊接速度/(cm/min)1212234600700333550141634565075034364518204557508503639402224455850900384137262856590095039423330326759501000404427中厚板对接开坡口双面埋弧焊焊接参数焊件厚度/mm坡口形式焊丝直径/mm焊接次序焊接电流/A焊接电压/V焊接速度/(m/h)1455正背60070060070036393638273227321655正背65075060075036393639273227321855正背70085070080037403740253025302055正背75085075085038413841253025302255多层60075060075036383638283328332455多层60075060075036383638283328333055多层6007506007503639363928332833焊件厚度/mm焊丝直径/mm焊接次序焊接电流/A电弧电压/V焊接速度/(m/h)42正背240260300340303232343640364063正背340360360420323432363640364083正背4204805205803234343636403640104正背4805206406803436343636403640124正背5606006407503437343836403640144正背6507207508003538363834383438165正背7007808008503638374026302630185正背7508008008803840384126292529205正背8008508509003841394224282428无衬垫双面埋弧焊焊接参数焊接工艺参数钢板厚度（mm）接头型式焊接次序焊丝直径（mm）焊接参数备注焊接电流（A）电弧电压（V）焊接速度（m/min）4、 5、 6正3.247550028300.50反47550028300.508正4.2440480300.50反485530310.5010正4.2530570310.63反590640330.6312、 14正4.2530570310.63后面清根深度: 4mm反680720340.4116正4.2620650340.45焊2层反680720350.42后面清根深度: 4mm48正4.2620650340.40焊2层反680720350.42后面清根深度: 4mm20正4.2620650340.35焊2层反680720350.42后面清根深度: 4mm22正4.2620650340.45焊3层反680720350.42后面清根深度: 4mm24正4.2620650340.40焊2层后面清根深度: 4mm反640670340.4028正4.2620650340.38焊2层后面清根深度: 4mm反640670340.3830正4.2620650340.38焊2层后面清根深度: 4mm反640670340.3832正4.2640670340.38焊2层后面清根深度: 4mm反660690340.3836按专门作业指导书实施