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C55180 Copper vs. C72700 Copper-nickel

Both C55180 copper and C72700 copper-nickel are copper alloys. They have 84% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C55180 copper and the bottom bar is C72700 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 20
4.0 to 36
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 41
44
Tensile Strength: Ultimate (UTS), MPa 200
460 to 1070
Tensile Strength: Yield (Proof), MPa 100
580 to 1060

Thermal Properties

Latent Heat of Fusion, J/g 200
210
Maximum Temperature: Mechanical, °C 200
200
Melting Completion (Liquidus), °C 920
1100
Melting Onset (Solidus), °C 710
930
Specific Heat Capacity, J/kg-K 400
380
Thermal Conductivity, W/m-K 200
54
Thermal Expansion, µm/m-K 17
17

Otherwise Unclassified Properties

Base Metal Price, % relative 29
36
Density, g/cm3 8.6
8.8
Embodied Carbon, kg CO2/kg material 2.5
4.0
Embodied Energy, MJ/kg 39
62
Embodied Water, L/kg 290
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 34
20 to 380
Resilience: Unit (Modulus of Resilience), kJ/m3 48
1420 to 4770
Stiffness to Weight: Axial, points 7.1
7.4
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 6.4
14 to 34
Strength to Weight: Bending, points 8.8
15 to 26
Thermal Diffusivity, mm2/s 56
16
Thermal Shock Resistance, points 7.9
16 to 38

Alloy Composition

Copper (Cu), % 94.7 to 95.2
82.1 to 86
Iron (Fe), % 0
0 to 0.5
Lead (Pb), % 0
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
Phosphorus (P), % 4.8 to 5.2
0
Tin (Sn), % 0
5.5 to 6.5
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.3