supply of special electrodes , item description , all position , high tensile strength extremely crack , corrosion , abrasion impact and heat resistant . for welding medium carbon steel , high carbon alloy steels , tools and die steels , leaf and coil spring steels , for joining dissimilar and unknown steels , low fume , non- crackable after deposition . uts: 80-85 kgf/sq . mm , hardness: 200-220 bhn , elongation- 22-25% , aws: e-312 , size-2 . 5mm . , all position , high tensile strength extremely crack , corrosion , abrasion impact and heat resistant . for welding medium carbon steel , high carbon alloy steels , tools and die steels , leaf and coil spring steels , for joining dissimilar and unknown steels , low fume , non- crackable after deposition . uts: 80-85 kgf/sq . mm , hardness: 200-220 bhn , elongation- 22-25% , aws: e-312 , size-1 . 0mm . , brazing electrode: copper , phosphorous , alloy containing silver used for joining and build up of copper , also suited for ni free cu alloy , uts: 25-35kgf/sq . mm , working temperature: 80 de . c , size-3 . 2 mm . , flux core wire for hard facing of low carbon ( c<0 . 12% ) , ni , chrome , mn based alloy steel . hardness: 25-30rc , size- 3 . 2mm .