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C72200 Copper-nickel vs. C95820 Bronze

Both C72200 copper-nickel and C95820 bronze are copper alloys. They have 87% 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 C72200 copper-nickel and the bottom bar is C95820 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 130
120
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 48
44
Tensile Strength: Ultimate (UTS), MPa 350 to 580
730

Thermal Properties

Latent Heat of Fusion, J/g 220
230
Maximum Temperature: Mechanical, °C 230
230
Melting Completion (Liquidus), °C 1180
1080
Melting Onset (Solidus), °C 1120
1020
Specific Heat Capacity, J/kg-K 400
440
Thermal Conductivity, W/m-K 34
38
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.5
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 6.6
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 36
29
Density, g/cm3 8.9
8.3
Embodied Carbon, kg CO2/kg material 3.9
3.5
Embodied Energy, MJ/kg 59
56
Embodied Water, L/kg 300
380

Common Calculations

Stiffness to Weight: Axial, points 8.0
8.0
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 11 to 18
24
Strength to Weight: Bending, points 12 to 17
22
Thermal Diffusivity, mm2/s 9.6
11
Thermal Shock Resistance, points 12 to 20
25

Alloy Composition

Aluminum (Al), % 0
9.0 to 10
Chromium (Cr), % 0.3 to 0.7
0
Copper (Cu), % 78.1 to 84.2
77.5 to 82.5
Iron (Fe), % 0.5 to 1.0
4.0 to 5.0
Lead (Pb), % 0 to 0.050
0 to 0.020
Manganese (Mn), % 0 to 1.0
0 to 1.5
Nickel (Ni), % 15 to 18
4.5 to 5.8
Silicon (Si), % 0
0 to 0.1
Tin (Sn), % 0
0 to 0.020
Zinc (Zn), % 0 to 1.0
0 to 0.2
Residuals, % 0
0 to 0.8