Copper Nickel C70600 is also known as 90/10 Alloy because it contains 90% copper, 10% nickel alloy and important additions of iron and manganese to enhance overall strength corrosion resistance. C70600 Copper Nickel is used in applications where resistance to corrosion and stress cracking is important like marine, offshore, chemical, petrochemical and shipbuilding industries.

Copper Alloy C70600 Specifications:

Sheet / Plate / Strip: ASTM B 171, ASTM B122, SAE J463, J461
Seamless Pipe / Tube: ASTM B466, ASTM B111
Welded Pipe / Tube:  ASME SB467, ASTM B608, B467
Round / Flat bar: ASTM B151, ASTMB122
Wire: AMS 4725, ASTM B197, SAE J463, J461

Chemical Composition:

Cu

Ni

Fe

Zn

Pb

Mn

Balance

(nominal 88.6%)

9.0-11.0

1.0-1.8

1.0 max

0.05

1.0

 Mechanical Properties:

Density  lb/in³ 0.298
Coefficient of Thermal Expansion (in./in./°F) 9.9 x10⁶
Thermal Conductivity (btu/ ft.hr.°F) 62-70
Elongation at Break, % 10
Tensile strength, ksi 165-177
Yield Strength, ksi 140-150
Hardness 37-45

Applications:

These grades are most commonly specified within the marine, offshore, chemical, petrochemical and shipbuilding industries and are also widely used for handling seawater in all types of heat exchanger and cooling plant.

Saltwater pipes and fittings, hot water tanks, baffles, propeller sleeves, valve and pump components, flanges, boat hulls, marine fittings and marine hardware;

Heat exchanger and cooling plant, evaporator tubes, pump and valve trim.