常用结构钢埋弧焊焊接材料的选配 表3
钢材 牌号 Q235 等级 A、B、C D A B A B Q345 C D E A、B Q390 C D E A、B Q420 C D E C Q460 D E 焊剂型号-焊丝牌号示例 F4A0-H08A F4A2-H08A F5004-H08A①、F5004-H08MnA② F5014-H08A①、F5014-H08MnA② F5004-H08A①、F5004-H08MnA②、F5004-H10Mn2② F5014-H08A①、F5014-H08MnA②、F5014-H10Mn2② F5011-H08A①、F5011-H08MnA②、F5011-H10Mn2② F5024-H08A①、F5024-H08MnA②、F5024-H10Mn2② F5021-H08A①、F5021-H08MnA②、F5021-H10Mn2② F5034-H08A①、F5034-H08MnA②、F5034-H10Mn2② F5031-H08A①、F5031-H08MnA②、F5031-H10Mn2② F5041③ F5011-H08MnA①、F5011-H10Mn2②、F5011-H08MnMoA② F5021-H08MnA①、F5021-H10Mn2②、F5021-H08MnMoA② F5031-H08MnA①、F5031-H10Mn2②、F5031-H08MnMoA② F5041③ F6011-H10Mn2②、F6011-H08MnMoA② F6021-H10Mn2②、F6021-H08MnMoA② F6031-H10Mn2②、F6031-H08MnMoA② F6041③ F6021-H08MnMoA② F6031-H08MnMoVA② F6041③ Q295 注：①薄板Ⅰ形坡口对接；②中、厚板坡口对接；③供需双方协议 16