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Grade CX2MW Nickel vs. C72500 Copper-nickel

Grade CX2MW nickel belongs to the nickel alloys classification, while C72500 copper-nickel belongs to the copper 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 grade CX2MW nickel and the bottom bar is C72500 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
120
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 84
45
Tensile Strength: Ultimate (UTS), MPa 620
420 to 780

Thermal Properties

Latent Heat of Fusion, J/g 330
210
Maximum Temperature: Mechanical, °C 980
210
Melting Completion (Liquidus), °C 1550
1130
Melting Onset (Solidus), °C 1490
1060
Specific Heat Capacity, J/kg-K 430
390
Thermal Conductivity, W/m-K 10
54
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
11
Electrical Conductivity: Equal Weight (Specific), % IACS 1.5
11

Otherwise Unclassified Properties

Base Metal Price, % relative 65
35
Density, g/cm3 8.9
8.9
Embodied Carbon, kg CO2/kg material 12
3.6
Embodied Energy, MJ/kg 170
55
Embodied Water, L/kg 290
320

Common Calculations

Stiffness to Weight: Axial, points 14
7.6
Stiffness to Weight: Bending, points 23
19
Strength to Weight: Axial, points 19
13 to 24
Strength to Weight: Bending, points 18
14 to 21
Thermal Diffusivity, mm2/s 2.7
16
Thermal Shock Resistance, points 17
14 to 27

Alloy Composition

Carbon (C), % 0 to 0.020
0
Chromium (Cr), % 20 to 22.5
0
Copper (Cu), % 0
85.2 to 89.7
Iron (Fe), % 2.0 to 6.0
0 to 0.6
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 1.0
0 to 0.2
Molybdenum (Mo), % 12.5 to 14.5
0
Nickel (Ni), % 51.3 to 63
8.5 to 10.5
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.8
0
Sulfur (S), % 0 to 0.025
0
Tin (Sn), % 0
1.8 to 2.8
Tungsten (W), % 2.5 to 3.5
0
Vanadium (V), % 0 to 0.35
0
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.2