OK 94.25 SMAW Type Basic EL-CuSn7 Description Electrode for welding copper and bronzes, especially tin bronzes. It is also suitable for cladding steels and for small-scale repair work in weldable cast irons. Applications: For the repair and construction of parts in casting such as: - valves - pumps - housings - bearing surfaces Welding current DC+ Classifications DIN 1733 EL-CuSn7 Typical all weld metal composition, % Mn P Cu Sn Fe <0.5 <0.1 92.5 7.0 <0.2 Typical mech. properties all weld metal Yield stress, MPa 235 Tensile strength, MPa 330-390 Elongation A5, % 25 Hardness( HB): 95 (Preheat and interpass temp. 300°C) Charpy V Test temps, °C Impact values, J +20 25 0 20 Approvals Sepros UNA 409820
