Wei Ouding 204Sn bronze bronze wire rod genuine Wei Ouding 204Sn bronze bronze wire rod from Weiou Ding (Tianjin) Welding Technology Co., Ltd. is suitable for welding of copper, such as copper and copper-tin alloy, especially for zinc alloy and steel welding connection. It is suitable for welding copper pieces. TIG welding is recommended for large areas required preheating furnace using pulsed arc welding or welding in multilayer welding steel. The physical properties of the deposited metal conductivity: 6-7s.m / mm2 density: 8.7 kg / dm3 solidus: 910 ℃ liquid line: 1040 ℃ Tensile strength: 320-360N / mm2 Elongation: 25% Hardness: 80 -85HB