Welding Name fairly standard example of molten metal deposited the physical properties of the chemical composition of the deposited metal case (Wt%) The main purpose GB JIS AWS MPa tensile yield strength MPa Elongation% Impact value J (℃) C Si Mn Ti other GMWA MIG welding JM-49 ER49-1 0.8-1.6 565 450 26 90 (room temperature) 0.07 0.60 1.42 for welded structures, the ability to slightly stronger antioxidant Scales, stomatal sensitivity to small, to do all position welding. JM-52 ER50-2 ER70S-2 0.9-1.2 570 480 26 95 (-30) 0.06 0.46 0.85 0.05 Zr: 0.01 A1: 0.02 for all-position welding backing pipe containing the elements Ti, A1, Zr, etc., have superior mechanical properties. JM-53 ER50-3 YGW16 ER70S-3 0.9-1.2 558 470 28 90 (-18) 0.08 0.36 0.74 suitable for welding thin sheet metal and other artifacts required smooth weld exquisite high speed welding applications. JM-54 ER50-4 YGW12 ER70S-4 0.8-1.6 549 460 32 74 (-20) 0.09 0.70 1.06 suitable for welding thin sheet metal, such as high-speed welding and general structure, to do all position welding. JM-56 ER50-6 YGW12 ER70S-6 0.9-2.0 555 430 29 69 (-29) 0.08 0.60 1.13 for welded structures, the ability to slightly stronger antioxidant Scales, stomatal sensitivity to small, to do all position welding. JM-70 ER50-6 YGW12 ER70-6 0.9-2.0 550 425 28 61 (-29) 0.08 0.60 1.10 A1: 0.006 for welded structures, the ability to slightly stronger antioxidant Scales, stomatal sensitivity to small, to do all position welding . JM-57 ER50-7 ER70S-7 0.8-1.6 545 480 29 61 (-29) 0.06 0.54 1.25 suitable for welding container, galvanized steel construction, stomatal resistance, resistance, sparking small to do all position welding. JM-58 ER50-G YGW11 ER70S-G 1.0-1.6 580 490 29 120 (-20) 0.10 0.57 1.26 right amount suitable for high current welding spatter can contain the right amount of alloy to reduce grain refinement, increased toughness. JM-60 ER55-D2Ti YGW21 ER80S-G 0.8-1.6 650 560 26 62 (-29) 0.08 0.61 1.44 right amount of Mo: 0.37 for 55 ~ 60Kg class high-strength steel welding, such as bridges, pressure vessels, construction and so on. JM-68 ER55-G ER80S-G 1.0-1.6 643 605 24 130 (-29) 0.07 0.58 1.76 0.12 55 ~ 60Kg grade steel suitable for high current welding spatter can contain the right amount of alloy to reduce grain refinement, increased toughness . JM-100 ER69-1 ER100S-1 0.8-1.6 700 615 20 78 (-51) 0.04 0.33 1.34 Ni: 0.67 Mo: 0.38 MIG welding wire for welding the hull structure, also applies to Re1 important than 590MPa grade high strength structure welding. JM-100C ER69-3 ER100S-G 0.8-1.6 720 615 25 95 (-20) 0.09 0.54 1.63 Ni: 1.88 Mo: 0.46 welding for high-strength mine hydraulic support, but also for more than 590MPa grade high strength Re1 important structures welding. JM-110 ER76-G ER110S-G 0.8-1.6 820 760 20 82 (-50) 0.08 0.42 1.30 Cr: 0.23 welding steel used in military, but also for tensile strength greater than 690MPa grade high strength steel welding important structures