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Grade CX2MW Nickel vs. C71000 Copper-nickel

Grade CX2MW nickel belongs to the nickel alloys classification, while C71000 copper-nickel belongs to the copper alloys. They have a modest 22% of their average alloy composition in common, which, by itself, doesn't mean much. 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 grade CX2MW nickel and the bottom bar is C71000 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
130
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 84
49
Tensile Strength: Ultimate (UTS), MPa 620
320 to 560

Thermal Properties

Latent Heat of Fusion, J/g 330
230
Maximum Temperature: Mechanical, °C 980
240
Melting Completion (Liquidus), °C 1550
1200
Melting Onset (Solidus), °C 1490
1150
Specific Heat Capacity, J/kg-K 430
400
Thermal Conductivity, W/m-K 10
43
Thermal Expansion, µm/m-K 12
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
6.5
Electrical Conductivity: Equal Weight (Specific), % IACS 1.5
6.6

Otherwise Unclassified Properties

Base Metal Price, % relative 65
37
Density, g/cm3 8.9
8.9
Embodied Carbon, kg CO2/kg material 12
4.3
Embodied Energy, MJ/kg 170
63
Embodied Water, L/kg 290
290

Common Calculations

Stiffness to Weight: Axial, points 14
8.2
Stiffness to Weight: Bending, points 23
19
Strength to Weight: Axial, points 19
10 to 18
Strength to Weight: Bending, points 18
12 to 17
Thermal Diffusivity, mm2/s 2.7
12
Thermal Shock Resistance, points 17
12 to 20

Alloy Composition

Carbon (C), % 0 to 0.020
0
Chromium (Cr), % 20 to 22.5
0
Copper (Cu), % 0
73.5 to 80.5
Iron (Fe), % 2.0 to 6.0
0.5 to 1.0
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 12.5 to 14.5
0
Nickel (Ni), % 51.3 to 63
19 to 23
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.8
0
Sulfur (S), % 0 to 0.025
0
Tungsten (W), % 2.5 to 3.5
0
Vanadium (V), % 0 to 0.35
0
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 0.5