板材拼接焊接工艺参数参照表

1、板材拼接埋弧焊焊接工艺参数参照表（适用Q235和Q345级别的母材，无预热和后热要求）焊接顺序8101214161820222426,283032,3436以上钢板厚度（mm）坡口型式钢板厚度（mm）坡口型式612324214204680按专业用的焊接作业指导书或设计图纸确定2230焊剂垫上双面埋弧焊的焊接参数焊件厚度/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)12122346007003335501416345650750343645182045575085036394022244558509003841372628565900950394233303

2、26759501000404427中厚板对接开坡口双面埋弧焊的焊接参数焊件厚度/mm坡口形式焊丝直径/mm焊接顺序焊接电流/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60075060075

3、03639363928332833焊件厚度/mm焊丝直径/mm焊接顺序焊接电流/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7508008008

4、803840384126292529205正背8008508509003841394224282428无衬垫双面埋弧焊的焊接参数焊接工艺参数钢板厚度（mm）接头型式焊接顺序焊丝直径（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背面清根深度：4mm反680720340.4116正4.2620650340.45焊2层反680720350.42背面清根深度：4mm48正4.2620650340.40焊2层反680720350.42背面清根深度：4mm20正4.2620650340.35焊2层反680720350.42背面清根深度：4mm22正4.2620650340.45焊3层反680720350.42背面清根深度：4mm24正4.2620650340.40焊2层背面清根深度：4mm反640670340.4028正4.2620650340.38焊2层背面清根深度：4mm反640670340.3830正4.2620650340.38焊2层背面清