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C70400 Copper-nickel vs. C83800 Bronze

Both C70400 copper-nickel and C83800 bronze are copper alloys. They have 84% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C70400 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 300 to 310
230
Tensile Strength: Yield (Proof), MPa 95 to 230
110

Thermal Properties

Latent Heat of Fusion, J/g 210
180
Maximum Temperature: Mechanical, °C 210
160
Melting Completion (Liquidus), °C 1120
1000
Melting Onset (Solidus), °C 1060
840
Specific Heat Capacity, J/kg-K 390
370
Thermal Conductivity, W/m-K 64
72
Thermal Expansion, µm/m-K 17
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 14
15
Electrical Conductivity: Equal Weight (Specific), % IACS 14
15

Otherwise Unclassified Properties

Base Metal Price, % relative 32
30
Density, g/cm3 8.9
8.8
Embodied Carbon, kg CO2/kg material 3.0
2.9
Embodied Energy, MJ/kg 47
47
Embodied Water, L/kg 300
340

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 38 to 220
53
Stiffness to Weight: Axial, points 7.5
6.6
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 9.3 to 9.8
7.4
Strength to Weight: Bending, points 11 to 12
9.6
Thermal Diffusivity, mm2/s 18
22
Thermal Shock Resistance, points 10 to 11
8.6

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Copper (Cu), % 89.8 to 93.6
82 to 83.8
Iron (Fe), % 1.3 to 1.7
0 to 0.3
Lead (Pb), % 0 to 0.050
5.0 to 7.0
Manganese (Mn), % 0.3 to 0.8
0
Nickel (Ni), % 4.8 to 6.2
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), % 0
3.3 to 4.2
Zinc (Zn), % 0 to 1.0
5.0 to 8.0
Residuals, % 0
0 to 0.7