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C71520 Copper-nickel vs. Grade CX2M Nickel

C71520 copper-nickel belongs to the copper alloys classification, while grade CX2M nickel belongs to the nickel alloys. They have a modest 32% of their average alloy composition in common, which, by itself, doesn't mean much. 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 C71520 copper-nickel and the bottom bar is grade CX2M nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
220
Elongation at Break, % 10 to 45
45
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 51
84
Tensile Strength: Ultimate (UTS), MPa 370 to 570
550
Tensile Strength: Yield (Proof), MPa 140 to 430
310

Thermal Properties

Latent Heat of Fusion, J/g 230
330
Maximum Temperature: Mechanical, °C 260
990
Melting Completion (Liquidus), °C 1170
1500
Melting Onset (Solidus), °C 1120
1450
Specific Heat Capacity, J/kg-K 400
430
Thermal Conductivity, W/m-K 32
10
Thermal Expansion, µm/m-K 15
12

Otherwise Unclassified Properties

Base Metal Price, % relative 40
65
Density, g/cm3 8.9
8.7
Embodied Carbon, kg CO2/kg material 5.0
12
Embodied Energy, MJ/kg 73
160
Embodied Water, L/kg 280
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 54 to 130
210
Resilience: Unit (Modulus of Resilience), kJ/m3 67 to 680
220
Stiffness to Weight: Axial, points 8.6
14
Stiffness to Weight: Bending, points 19
23
Strength to Weight: Axial, points 12 to 18
18
Strength to Weight: Bending, points 13 to 17
17
Thermal Diffusivity, mm2/s 8.9
2.7
Thermal Shock Resistance, points 12 to 19
15

Alloy Composition


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Carbon (C), % 0 to 0.050
0 to 0.020
Chromium (Cr), % 0
22 to 24
Copper (Cu), % 65 to 71.6
0
Iron (Fe), % 0.4 to 1.0
0 to 1.5
Lead (Pb), % 0 to 0.020
0
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0
15 to 16.5
Nickel (Ni), % 28 to 33
56.4 to 63
Phosphorus (P), % 0 to 0.2
0 to 0.020
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0 to 0.020
0 to 0.020
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0 to 0.5
0