Indigo Metalloys manufacturers Copper Nickel C70600(90/10) and C71500 (70/30) round rods. Copper nickel is known for its moderate strength, welding ability, forging ability & formability; in addition, it has an extraordinary resistance to corrosion, stress cracking and erosion. Typical Application are as follows: Marine Hardware Fittings Flanges Condenser Taper Tube Plugs Shapes Manufactured and Available