... , 1.6mm 2, Approved by CCS, ER49-1 welding wire for gas shielding arc weldingweldind rod AWS A5.1Diameter × Length ( ... purpose electrode with excellent operator appeal. E7016 can be used for general construction welding applications such as bridges, buildings, ship ... removed from base material to prevent cracking and blowholes.• For improved impact properties, avoid use of excessive amperage levels.• ...