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C12900 Copper vs. C72900 Copper-nickel

Both C12900 copper and C72900 copper-nickel are copper alloys. They have 76% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C12900 copper and the bottom bar is C72900 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 2.8 to 50
6.0 to 20
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 43
45
Shear Strength, MPa 150 to 210
540 to 630
Tensile Strength: Ultimate (UTS), MPa 220 to 420
870 to 1080
Tensile Strength: Yield (Proof), MPa 75 to 380
700 to 920

Thermal Properties

Latent Heat of Fusion, J/g 210
210
Maximum Temperature: Mechanical, °C 200
210
Melting Completion (Liquidus), °C 1080
1120
Melting Onset (Solidus), °C 1030
950
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 380
29
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 98
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 98
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 32
39
Density, g/cm3 9.0
8.8
Embodied Carbon, kg CO2/kg material 2.6
4.6
Embodied Energy, MJ/kg 41
72
Embodied Water, L/kg 330
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11 to 88
49 to 210
Resilience: Unit (Modulus of Resilience), kJ/m3 24 to 640
2030 to 3490
Stiffness to Weight: Axial, points 7.2
7.6
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 6.8 to 13
27 to 34
Strength to Weight: Bending, points 9.1 to 14
23 to 27
Thermal Diffusivity, mm2/s 110
8.6
Thermal Shock Resistance, points 7.8 to 15
31 to 38

Alloy Composition

Antimony (Sb), % 0 to 0.0030
0
Arsenic (As), % 0 to 0.012
0
Bismuth (Bi), % 0 to 0.0030
0
Copper (Cu), % 99.88 to 100
74.1 to 78
Iron (Fe), % 0
0 to 0.5
Lead (Pb), % 0 to 0.0040
0 to 0.020
Magnesium (Mg), % 0
0 to 0.15
Manganese (Mn), % 0
0 to 0.3
Nickel (Ni), % 0 to 0.050
14.5 to 15.5
Niobium (Nb), % 0
0 to 0.1
Silver (Ag), % 0 to 0.054
0
Tellurium (Te), % 0 to 0.025
0
Tin (Sn), % 0
7.5 to 8.5
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.3