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Grade CX2M Nickel vs. C71520 Copper-nickel

Grade CX2M nickel belongs to the nickel alloys classification, while C71520 copper-nickel belongs to the copper 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 grade CX2M nickel and the bottom bar is C71520 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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