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C70700 Copper-nickel vs. Grade CX2M Nickel

C70700 copper-nickel belongs to the copper alloys classification, while grade CX2M nickel belongs to the nickel alloys. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C70700 copper-nickel and the bottom bar is grade CX2M nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
220
Elongation at Break, % 39
45
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 46
84
Tensile Strength: Ultimate (UTS), MPa 320
550
Tensile Strength: Yield (Proof), MPa 110
310

Thermal Properties

Latent Heat of Fusion, J/g 220
330
Maximum Temperature: Mechanical, °C 220
990
Melting Completion (Liquidus), °C 1120
1500
Melting Onset (Solidus), °C 1060
1450
Specific Heat Capacity, J/kg-K 390
430
Thermal Conductivity, W/m-K 59
10
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 34
65
Density, g/cm3 8.9
8.7
Embodied Carbon, kg CO2/kg material 3.4
12
Embodied Energy, MJ/kg 52
160
Embodied Water, L/kg 300
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
210
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 Diffusivity, mm2/s 17
2.7
Thermal Shock Resistance, points 12
15

Alloy Composition

Carbon (C), % 0
0 to 0.020
Chromium (Cr), % 0
22 to 24
Copper (Cu), % 88.5 to 90.5
0
Iron (Fe), % 0 to 0.050
0 to 1.5
Manganese (Mn), % 0 to 0.5
0 to 1.0
Molybdenum (Mo), % 0
15 to 16.5
Nickel (Ni), % 9.5 to 10.5
56.4 to 63
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.020
Residuals, % 0 to 0.5
0