OK Autrod 12.58 GMAW ER70S-3 Description OK Autrod 12.58 is a copper-coated, Mn-Sialloyed G2Si/ER70S-3 solid wire for the GMAW of non-alloyed steels, as used in general construction, pressure vessel fabrication and shipbuilding. The wire has a carefully controlled wire chemistry and a unique surface technology providing superior weld -metal quality at high wire feed speeds and at high welding currents. The wire can be used with both Ar/CO2 mixed gas and pure CO2 shielding gas. Welding current DC+ Classifications SFA/AWS A5.18 ER70S-3 EN 440 G2Si Wire composition C Si Mn 0.1 0.6 1.1 Typical mech. properties all weld metal Yield stress, MPa 420 Tensile strength, MPa 515 Elongation, % 26 Charpy V Test temps, °C Impact values, J +20 140 -20 110 -30 90 Approvals BV SA3YM DB 42.039.17 GL 3YS LR 3 3YS UDT EN 440 Ü 42.039/1 VdTÜV
