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C70620 Copper-nickel vs. C93700 Bronze

Both C70620 copper-nickel and C93700 bronze are copper alloys. They have 81% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is C70620 copper-nickel and the bottom bar is C93700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
99
Poisson's Ratio 0.34
0.35
Rockwell B Hardness 65 to 87
60
Shear Modulus, GPa 46
37
Tensile Strength: Ultimate (UTS), MPa 300 to 570
240

Thermal Properties

Latent Heat of Fusion, J/g 220
170
Maximum Temperature: Mechanical, °C 220
140
Melting Completion (Liquidus), °C 1120
930
Melting Onset (Solidus), °C 1060
760
Specific Heat Capacity, J/kg-K 390
350
Thermal Conductivity, W/m-K 49
47
Thermal Expansion, µm/m-K 17
19

Otherwise Unclassified Properties

Base Metal Price, % relative 33
33
Density, g/cm3 8.9
8.9
Embodied Carbon, kg CO2/kg material 3.4
3.5
Embodied Energy, MJ/kg 51
57
Embodied Water, L/kg 300
390

Common Calculations

Stiffness to Weight: Axial, points 7.7
6.2
Stiffness to Weight: Bending, points 19
17
Strength to Weight: Axial, points 9.3 to 18
7.5
Strength to Weight: Bending, points 11 to 17
9.6
Thermal Diffusivity, mm2/s 14
15
Thermal Shock Resistance, points 10 to 20
9.4

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.5
Carbon (C), % 0 to 0.050
0
Copper (Cu), % 86.5 to 90
78 to 82
Iron (Fe), % 1.0 to 1.8
0 to 0.15
Lead (Pb), % 0 to 0.020
8.0 to 11
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 9.0 to 11
0 to 1.0
Phosphorus (P), % 0 to 0.2
0 to 1.5
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0 to 0.020
0 to 0.080
Tin (Sn), % 0
9.0 to 11
Zinc (Zn), % 0 to 0.5
0 to 0.8
Residuals, % 0
0 to 1.0