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C72500 Copper-nickel vs. C94300 Bronze

Both C72500 copper-nickel and C94300 bronze are copper alloys. They have 73% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C72500 copper-nickel and the bottom bar is C94300 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
87
Poisson's Ratio 0.34
0.36
Shear Modulus, GPa 45
32
Tensile Strength: Ultimate (UTS), MPa 420 to 780
180

Thermal Properties

Latent Heat of Fusion, J/g 210
150
Maximum Temperature: Mechanical, °C 210
110
Melting Completion (Liquidus), °C 1130
820
Melting Onset (Solidus), °C 1060
760
Specific Heat Capacity, J/kg-K 390
320
Thermal Conductivity, W/m-K 54
63
Thermal Expansion, µm/m-K 17
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 11
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 35
28
Density, g/cm3 8.9
9.3
Embodied Carbon, kg CO2/kg material 3.6
2.9
Embodied Energy, MJ/kg 55
47
Embodied Water, L/kg 320
370

Common Calculations

Stiffness to Weight: Axial, points 7.6
5.2
Stiffness to Weight: Bending, points 19
16
Strength to Weight: Axial, points 13 to 24
5.2
Strength to Weight: Bending, points 14 to 21
7.4
Thermal Diffusivity, mm2/s 16
21
Thermal Shock Resistance, points 14 to 27
7.1

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.8
Copper (Cu), % 85.2 to 89.7
67 to 72
Iron (Fe), % 0 to 0.6
0 to 0.15
Lead (Pb), % 0 to 0.050
23 to 27
Manganese (Mn), % 0 to 0.2
0
Nickel (Ni), % 8.5 to 10.5
0 to 1.0
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 1.8 to 2.8
4.5 to 6.0
Zinc (Zn), % 0 to 0.5
0 to 0.8
Residuals, % 0
0 to 1.0