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C95820 Bronze vs. C72900 Copper-nickel

Both C95820 bronze and C72900 copper-nickel are copper alloys. They have 82% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C95820 bronze and the bottom bar is C72900 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 15
6.0 to 20
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 44
45
Tensile Strength: Ultimate (UTS), MPa 730
870 to 1080
Tensile Strength: Yield (Proof), MPa 310
700 to 920

Thermal Properties

Latent Heat of Fusion, J/g 230
210
Maximum Temperature: Mechanical, °C 230
210
Melting Completion (Liquidus), °C 1080
1120
Melting Onset (Solidus), °C 1020
950
Specific Heat Capacity, J/kg-K 440
380
Thermal Conductivity, W/m-K 38
29
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 29
39
Density, g/cm3 8.3
8.8
Embodied Carbon, kg CO2/kg material 3.5
4.6
Embodied Energy, MJ/kg 56
72
Embodied Water, L/kg 380
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86
49 to 210
Resilience: Unit (Modulus of Resilience), kJ/m3 400
2030 to 3490
Stiffness to Weight: Axial, points 8.0
7.6
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 24
27 to 34
Strength to Weight: Bending, points 22
23 to 27
Thermal Diffusivity, mm2/s 11
8.6
Thermal Shock Resistance, points 25
31 to 38

Alloy Composition

Aluminum (Al), % 9.0 to 10
0
Copper (Cu), % 77.5 to 82.5
74.1 to 78
Iron (Fe), % 4.0 to 5.0
0 to 0.5
Lead (Pb), % 0 to 0.020
0 to 0.020
Magnesium (Mg), % 0
0 to 0.15
Manganese (Mn), % 0 to 1.5
0 to 0.3
Nickel (Ni), % 4.5 to 5.8
14.5 to 15.5
Niobium (Nb), % 0
0 to 0.1
Silicon (Si), % 0 to 0.1
0
Tin (Sn), % 0 to 0.020
7.5 to 8.5
Zinc (Zn), % 0 to 0.2
0 to 0.5
Residuals, % 0
0 to 0.3