1,AWS A5.18 ER70S-6 2,0.8, 1.0, 1.2, 1.6mm diameter 3,good process and mechanical properties 4 ... ,factory with competitive price 1, ER70S-6 is a copper low ... and the weld metal shows lower temperature impact toughness. 3,It is mainly used for butt and fillet welding structures ... -60mins at 150 . Gas shielded welding wire AWS A5.18 ER70S-6(ER50-6)