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C70400 Copper-nickel vs. C71000 Copper-nickel

Both C70400 copper-nickel and C71000 copper-nickel are copper alloys. They have 85% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C70400 copper-nickel and the bottom bar is C71000 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
130
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 45
49
Tensile Strength: Ultimate (UTS), MPa 300 to 310
320 to 560

Thermal Properties

Latent Heat of Fusion, J/g 210
230
Maximum Temperature: Mechanical, °C 210
240
Melting Completion (Liquidus), °C 1120
1200
Melting Onset (Solidus), °C 1060
1150
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 64
43
Thermal Expansion, µm/m-K 17
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 14
6.5
Electrical Conductivity: Equal Weight (Specific), % IACS 14
6.6

Otherwise Unclassified Properties

Base Metal Price, % relative 32
37
Density, g/cm3 8.9
8.9
Embodied Carbon, kg CO2/kg material 3.0
4.3
Embodied Energy, MJ/kg 47
63
Embodied Water, L/kg 300
290

Common Calculations

Stiffness to Weight: Axial, points 7.5
8.2
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 9.3 to 9.8
10 to 18
Strength to Weight: Bending, points 11 to 12
12 to 17
Thermal Diffusivity, mm2/s 18
12
Thermal Shock Resistance, points 10 to 11
12 to 20

Alloy Composition

Copper (Cu), % 89.8 to 93.6
73.5 to 80.5
Iron (Fe), % 1.3 to 1.7
0.5 to 1.0
Lead (Pb), % 0 to 0.050
0 to 0.050
Manganese (Mn), % 0.3 to 0.8
0 to 1.0
Nickel (Ni), % 4.8 to 6.2
19 to 23
Zinc (Zn), % 0 to 1.0
0 to 1.0
Residuals, % 0
0 to 0.5

Comparable Variants