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C70700 Copper-nickel vs. Grade CW6M Nickel

C70700 copper-nickel belongs to the copper alloys classification, while grade CW6M nickel belongs to the nickel alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C70700 copper-nickel and the bottom bar is grade CW6M nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
220
Elongation at Break, % 39
29
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 46
84
Tensile Strength: Ultimate (UTS), MPa 320
560
Tensile Strength: Yield (Proof), MPa 110
310

Thermal Properties

Latent Heat of Fusion, J/g 220
330
Maximum Temperature: Mechanical, °C 220
970
Melting Completion (Liquidus), °C 1120
1530
Melting Onset (Solidus), °C 1060
1470
Specific Heat Capacity, J/kg-K 390
430
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 34
65
Density, g/cm3 8.9
8.8
Embodied Carbon, kg CO2/kg material 3.4
13
Embodied Energy, MJ/kg 52
170
Embodied Water, L/kg 300
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
140
Resilience: Unit (Modulus of Resilience), kJ/m3 51
220
Stiffness to Weight: Axial, points 7.6
14
Stiffness to Weight: Bending, points 19
23
Strength to Weight: Axial, points 10
18
Strength to Weight: Bending, points 12
17
Thermal Shock Resistance, points 12
16

Alloy Composition

Carbon (C), % 0
0 to 0.070
Chromium (Cr), % 0
17 to 20
Copper (Cu), % 88.5 to 90.5
0
Iron (Fe), % 0 to 0.050
0 to 3.0
Manganese (Mn), % 0 to 0.5
0 to 1.0
Molybdenum (Mo), % 0
17 to 20
Nickel (Ni), % 9.5 to 10.5
54.9 to 66
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Residuals, % 0 to 0.5
0