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C63020 Bronze vs. C72200 Copper-nickel

Both C63020 bronze and C72200 copper-nickel are copper alloys. They have 85% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is C63020 bronze and the bottom bar is C72200 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 44
48
Tensile Strength: Ultimate (UTS), MPa 1020
350 to 580

Thermal Properties

Latent Heat of Fusion, J/g 230
220
Maximum Temperature: Mechanical, °C 230
230
Melting Completion (Liquidus), °C 1070
1180
Melting Onset (Solidus), °C 1020
1120
Specific Heat Capacity, J/kg-K 450
400
Thermal Conductivity, W/m-K 40
34
Thermal Expansion, µm/m-K 18
16

Otherwise Unclassified Properties

Base Metal Price, % relative 29
36
Density, g/cm3 8.2
8.9
Embodied Carbon, kg CO2/kg material 3.6
3.9
Embodied Energy, MJ/kg 58
59
Embodied Water, L/kg 390
300

Common Calculations

Stiffness to Weight: Axial, points 8.0
8.0
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 34
11 to 18
Strength to Weight: Bending, points 27
12 to 17
Thermal Diffusivity, mm2/s 11
9.6
Thermal Shock Resistance, points 35
12 to 20

Alloy Composition

Aluminum (Al), % 10 to 11
0
Chromium (Cr), % 0 to 0.050
0.3 to 0.7
Cobalt (Co), % 0 to 0.2
0
Copper (Cu), % 74.7 to 81.8
78.1 to 84.2
Iron (Fe), % 4.0 to 5.5
0.5 to 1.0
Lead (Pb), % 0 to 0.030
0 to 0.050
Manganese (Mn), % 0 to 1.5
0 to 1.0
Nickel (Ni), % 4.2 to 6.0
15 to 18
Tin (Sn), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.3
0 to 1.0
Residuals, % 0 to 0.5
0 to 0.2