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C72900 Copper-nickel vs. C63020 Bronze

Both C72900 copper-nickel and C63020 bronze are copper alloys. They have 82% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C72900 copper-nickel and the bottom bar is C63020 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 6.0 to 20
6.8
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 45
44
Shear Strength, MPa 540 to 630
600
Tensile Strength: Ultimate (UTS), MPa 870 to 1080
1020
Tensile Strength: Yield (Proof), MPa 700 to 920
740

Thermal Properties

Latent Heat of Fusion, J/g 210
230
Maximum Temperature: Mechanical, °C 210
230
Melting Completion (Liquidus), °C 1120
1070
Melting Onset (Solidus), °C 950
1020
Specific Heat Capacity, J/kg-K 380
450
Thermal Conductivity, W/m-K 29
40
Thermal Expansion, µm/m-K 17
18

Otherwise Unclassified Properties

Base Metal Price, % relative 39
29
Density, g/cm3 8.8
8.2
Embodied Carbon, kg CO2/kg material 4.6
3.6
Embodied Energy, MJ/kg 72
58
Embodied Water, L/kg 360
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 49 to 210
63
Resilience: Unit (Modulus of Resilience), kJ/m3 2030 to 3490
2320
Stiffness to Weight: Axial, points 7.6
8.0
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 27 to 34
34
Strength to Weight: Bending, points 23 to 27
27
Thermal Diffusivity, mm2/s 8.6
11
Thermal Shock Resistance, points 31 to 38
35

Alloy Composition

Aluminum (Al), % 0
10 to 11
Chromium (Cr), % 0
0 to 0.050
Cobalt (Co), % 0
0 to 0.2
Copper (Cu), % 74.1 to 78
74.7 to 81.8
Iron (Fe), % 0 to 0.5
4.0 to 5.5
Lead (Pb), % 0 to 0.020
0 to 0.030
Magnesium (Mg), % 0 to 0.15
0
Manganese (Mn), % 0 to 0.3
0 to 1.5
Nickel (Ni), % 14.5 to 15.5
4.2 to 6.0
Niobium (Nb), % 0 to 0.1
0
Tin (Sn), % 7.5 to 8.5
0 to 0.25
Zinc (Zn), % 0 to 0.5
0 to 0.3
Residuals, % 0
0 to 0.5