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C95200 Bronze vs. C72900 Copper-nickel

Both C95200 bronze and C72900 copper-nickel are copper alloys. They have 76% of their average alloy composition in common. There are 28 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 C95200 bronze and the bottom bar is C72900 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 29
6.0 to 20
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 42
45
Tensile Strength: Ultimate (UTS), MPa 520
870 to 1080
Tensile Strength: Yield (Proof), MPa 190
700 to 920

Thermal Properties

Latent Heat of Fusion, J/g 230
210
Maximum Temperature: Mechanical, °C 220
210
Melting Completion (Liquidus), °C 1050
1120
Melting Onset (Solidus), °C 1040
950
Specific Heat Capacity, J/kg-K 430
380
Thermal Conductivity, W/m-K 50
29
Thermal Expansion, µm/m-K 18
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 12
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 28
39
Density, g/cm3 8.3
8.8
Embodied Carbon, kg CO2/kg material 3.0
4.6
Embodied Energy, MJ/kg 50
72
Embodied Water, L/kg 380
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
49 to 210
Resilience: Unit (Modulus of Resilience), kJ/m3 170
2030 to 3490
Stiffness to Weight: Axial, points 7.6
7.6
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 17
27 to 34
Strength to Weight: Bending, points 17
23 to 27
Thermal Diffusivity, mm2/s 14
8.6
Thermal Shock Resistance, points 19
31 to 38

Alloy Composition

Aluminum (Al), % 8.5 to 9.5
0
Copper (Cu), % 86 to 89
74.1 to 78
Iron (Fe), % 2.5 to 4.0
0 to 0.5
Lead (Pb), % 0
0 to 0.020
Magnesium (Mg), % 0
0 to 0.15
Manganese (Mn), % 0
0 to 0.3
Nickel (Ni), % 0
14.5 to 15.5
Niobium (Nb), % 0
0 to 0.1
Tin (Sn), % 0
7.5 to 8.5
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.3