Stick Electrode AWS Classification ECuSn-C Material Copper Process Stick Welding (SMAW) Overall Diameter 1/8 in Overall Length 14 in Tensile Strength (Minimum Required) 40 ksi Tensile Strength (As Welded) 40 to 50 ksi Yield Strength (Minimum Required) 30 ksi Yield Strength (As Welded) 30 ksi Series ECuSn-C Weight 1 lb For Material Type Copper to Carbon Steel Copper to Cast Iron Copper to Copper Copper to Stainless Steel Welding Current Designation AC DCEN