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C72500 Copper-nickel vs. C83800 Bronze

Both C72500 copper-nickel and C83800 bronze are copper alloys. They have 86% 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 C83800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
100
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 45
39
Tensile Strength: Ultimate (UTS), MPa 420 to 780
230

Thermal Properties

Latent Heat of Fusion, J/g 210
180
Maximum Temperature: Mechanical, °C 210
160
Melting Completion (Liquidus), °C 1130
1000
Melting Onset (Solidus), °C 1060
840
Specific Heat Capacity, J/kg-K 390
370
Thermal Conductivity, W/m-K 54
72
Thermal Expansion, µm/m-K 17
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
15
Electrical Conductivity: Equal Weight (Specific), % IACS 11
15

Otherwise Unclassified Properties

Base Metal Price, % relative 35
30
Density, g/cm3 8.9
8.8
Embodied Carbon, kg CO2/kg material 3.6
2.9
Embodied Energy, MJ/kg 55
47
Embodied Water, L/kg 320
340

Common Calculations

Stiffness to Weight: Axial, points 7.6
6.6
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 13 to 24
7.4
Strength to Weight: Bending, points 14 to 21
9.6
Thermal Diffusivity, mm2/s 16
22
Thermal Shock Resistance, points 14 to 27
8.6

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Copper (Cu), % 85.2 to 89.7
82 to 83.8
Iron (Fe), % 0 to 0.6
0 to 0.3
Lead (Pb), % 0 to 0.050
5.0 to 7.0
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
3.3 to 4.2
Zinc (Zn), % 0 to 0.5
5.0 to 8.0
Residuals, % 0
0 to 0.7