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CR008A Copper vs. C72700 Copper-nickel

Both CR008A copper and C72700 copper-nickel are copper alloys. They have 84% of their average alloy composition in common. There are 28 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 CR008A copper and the bottom bar is C72700 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 15
4.0 to 36
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 43
44
Tensile Strength: Ultimate (UTS), MPa 220
460 to 1070
Tensile Strength: Yield (Proof), MPa 130
580 to 1060

Thermal Properties

Latent Heat of Fusion, J/g 210
210
Maximum Temperature: Mechanical, °C 200
200
Melting Completion (Liquidus), °C 1090
1100
Melting Onset (Solidus), °C 1040
930
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 380
54
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
11
Electrical Conductivity: Equal Weight (Specific), % IACS 100
11

Otherwise Unclassified Properties

Base Metal Price, % relative 31
36
Density, g/cm3 9.0
8.8
Embodied Carbon, kg CO2/kg material 2.6
4.0
Embodied Energy, MJ/kg 41
62
Embodied Water, L/kg 320
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
20 to 380
Resilience: Unit (Modulus of Resilience), kJ/m3 76
1420 to 4770
Stiffness to Weight: Axial, points 7.2
7.4
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 6.8
14 to 34
Strength to Weight: Bending, points 9.0
15 to 26
Thermal Diffusivity, mm2/s 110
16
Thermal Shock Resistance, points 7.8
16 to 38

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0
Copper (Cu), % 99.95 to 100
82.1 to 86
Iron (Fe), % 0
0 to 0.5
Lead (Pb), % 0 to 0.0050
0 to 0.020
Magnesium (Mg), % 0
0 to 0.15
Manganese (Mn), % 0
0.050 to 0.3
Nickel (Ni), % 0
8.5 to 9.5
Niobium (Nb), % 0
0 to 0.1
Silver (Ag), % 0 to 0.015
0
Tin (Sn), % 0
5.5 to 6.5
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.3