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1、埋弧焊电流与电弧电压的配合关系焊接电流/A520600600700700850850100010001200电弧电压/V34363638384040424244不同直径焊丝适用的焊接电流焊接电流/A20040035060050080070010008001200焊丝直径/mm23456不留间隙双面埋弧焊的焊接工艺钢板厚度焊丝直径/mm焊接顺序焊接电流/A电弧电压/V焊接速度/（ m/h）正3804203034.664反4304703032.7正440480303084反4805303130正5305703127.7104反5906403327.7正6206603525124反680720352
2、4.8正6807203724.6144反7307704022.5正800850343638155反850900363826正850900353736175反900950373926正850900363836185反900950384024正850900363835205反9001000384024225正 反90095037393210001050384024开破口双面埋弧焊的焊接工艺焊件厚度焊丝直径/mm焊接顺序焊接电流/A电弧电压/V焊接速度/（ m/h）正830850363825145反600620363845正830850343620165反600620363845正830860363820185反6006203638456正10501150384018225反600620363845246正 反11003840245800363848正1000364018306反9001000363820