Key Features: Material Composition: 67% Nickel, 30% Copper, 1.5% Iron, 1% Manganese Standards: AWS A5.14 ERNiCu-7, ASTM B164 Forms Available: Spool Wire (MIG), Straight Length (TIG), Cut Rods Diameter Range: 0.8mm – 4.0mm (Custom Sizes Available) Applications: Marine & Shipbuilding (seawater-resistant welding) Chemical Processing Equipment Oil & Gas Piping Systems Heat Exchangers & Valves