板材拼接焊接工藝參數(shù)參照表

板材拼接埋弧焊焊接工藝參數(shù)參照表（適用Q235和Q345級別的母材，無預(yù)熱和后熱要求）焊接順序8101T121_d14161820222426,283032,3436以上

焊劑墊上雙面埋弧焊的焊接參數(shù)焊件厚度/mm根部間隙/mm焊絲直徑/mm焊接電流/A焊接電壓/V焊接速度/(cm/min)12~122~34600?70033?355014~163~45650?75034?364518?204?55750?85036?394022~244?55850?90038?413726?285?65900?95039?423330~326~75950?100040?4427中厚板對接開坡口雙面埋弧焊的焊接參數(shù)焊件厚度/mm坡口形式焊絲直徑/mm焊接順序焊接電流/A焊接電壓/V焊接速度/(m/h)1460：M''亨55正背600?700600?70036?3936?3827?3227?321655正背650?750600?75036?3936?3927?3227?321855正背700?850700?80037?4037?4025?3025?30■IkhJ2055正背750?850750?85038?4138?4125?3025?302255多層600?750600?75036?3836?3828?3328?33

2455多層600?750600?75036?3836?3828?3328?33305多600?75036?3928?335層600?75036?3928?33無襯墊雙面埋弧焊的焊接參數(shù)焊件厚度/mm焊絲直徑/mm焊接順序焊接電流/A電弧電壓/V焊接速度/(m/h)42正240?26030?3236?40背300?34032?3436?4063正340?36032?3436?40背360?42032?3636?4083正420?48032?3436?40背520?58034?3636?40104正480?52034?3636?40背640?68034?3636?40124正560?60034?3736?40背640?75034?3836?40144正650?72035?3834?38背750?80036?3834?38165正700?78036?3826?30背800?85037?4026?30185正750?80038?4026?29背800?88038?4125?29205正800?85038?4124?28背850?90039?4224?28焊接工藝參數(shù)鋼板厚度(mm)接頭型式焊接順序焊絲直徑(mm)焊接參數(shù)備注焊接電流(A)電弧電壓(V)焊接速度(m/min)4、5、6正03.2475?50028?300.50反475?50028?300.508正04.2440?480300.50336反485?530310.50正04.2530?570310.63反590?640330.63正04.2530?570310.63背面清根深度：4mm反680?720340.41正04.2620?650340.45焊2層反680?720350.42背面清根深度：4mm正04.2620?650340.40焊2層反680?720350.42背面清根深度：4mm正04.2620?650340.35焊2層反680?720350.42背面清根深度：4mm正04.2620?650340.45焊3層反680?720350.42背面清根深度：4mm正04.2620?650340.40焊2層背面清根深度：4mm反640?670340.40正04.2620?650340.38焊2層背面清根深度：4mm反640?670340.38正04.2620?650340.38焊2層