种类ESAB牌号技术标准熔敷金属力学性能熔敷金属化学成分（％）SFA/AWSEN屈服值Mpa抗拉强度Mpa延伸率％冲击值JCSiMn气保焊丝OK Autrod 12.50A5.18 ER70S-6EN440 G 38 2 C G3Si1G 42 3 M G3Si℃110-20℃700.080.91.5OK Autrod 12.51A5.18 ER70S-6EN440 G 38 2 C G3Si1G 42 3 M G3Si℃130-20℃900.080.91.5OK Autrod 12.63A5.18 ER70S-6EN440 G 42 2 C G4Si1G 46 3 M G4Si℃130-20℃900.11.11.7OK Autrod 12.64A5.18 ER70S-6EN440 G 42 2 C G4Si1G 46 3 M G4Si℃130-20℃900.11.01.7药芯焊丝OK Tubrod 14.11A5.18-93E70C-6M H4EN 758(1997)T 42 4 M M 3 H℃700.060.61.4OK Tubrod 15.00A5.20-95E715T-5,E715T-5MEN 758:1997T 42 3 B C 2 H5T 42 3 B M 2 H℃135-30℃K Tubrod 15.14A5.20-95E71T-1E71T-1MEN 758:1997T 46 2 P M 2 H10T 46 2 P C 2 H℃K Tubrod14.00SA5.17-89 F7A2-EC℃K Tubrod15.00SA5.17-89 F7A4-EC℃氩弧焊丝OK Tigrod 12.60A5.18ER70S-3EN 1668 W2Si℃900.10.61.2OK Tigrod 12.61A5.18ER70S-6EN 1668 W3Si℃700.080.91.5OK Tigrod 12.64A5.18 ER70S-6EN 1668 W4Si℃70-40℃470.11.01.7