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C70620 Copper-nickel vs. C92700 Bronze

Both C70620 copper-nickel and C92700 bronze are copper alloys. They have 89% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C70620 copper-nickel and the bottom bar is C92700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Poisson's Ratio 0.34
0.34
Rockwell B Hardness 65 to 87
77
Shear Modulus, GPa 46
40
Tensile Strength: Ultimate (UTS), MPa 300 to 570
290

Thermal Properties

Latent Heat of Fusion, J/g 220
190
Maximum Temperature: Mechanical, °C 220
170
Melting Completion (Liquidus), °C 1120
980
Melting Onset (Solidus), °C 1060
840
Specific Heat Capacity, J/kg-K 390
370
Thermal Conductivity, W/m-K 49
47
Thermal Expansion, µm/m-K 17
18

Otherwise Unclassified Properties

Base Metal Price, % relative 33
35
Density, g/cm3 8.9
8.7
Embodied Carbon, kg CO2/kg material 3.4
3.6
Embodied Energy, MJ/kg 51
58
Embodied Water, L/kg 300
390

Common Calculations

Stiffness to Weight: Axial, points 7.7
6.8
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 9.3 to 18
9.1
Strength to Weight: Bending, points 11 to 17
11
Thermal Diffusivity, mm2/s 14
15
Thermal Shock Resistance, points 10 to 20
11

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Carbon (C), % 0 to 0.050
0
Copper (Cu), % 86.5 to 90
86 to 89
Iron (Fe), % 1.0 to 1.8
0 to 0.2
Lead (Pb), % 0 to 0.020
1.0 to 2.5
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 0.050
Tin (Sn), % 0
9.0 to 11
Zinc (Zn), % 0 to 0.5
0 to 0.7
Residuals, % 0
0 to 0.7