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C72900 Copper-nickel vs. C95300 Bronze

Both C72900 copper-nickel and C95300 bronze 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 C72900 copper-nickel and the bottom bar is C95300 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 6.0 to 20
14 to 25
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 45
42
Tensile Strength: Ultimate (UTS), MPa 870 to 1080
520 to 610
Tensile Strength: Yield (Proof), MPa 700 to 920
190 to 310

Thermal Properties

Latent Heat of Fusion, J/g 210
230
Maximum Temperature: Mechanical, °C 210
220
Melting Completion (Liquidus), °C 1120
1050
Melting Onset (Solidus), °C 950
1040
Specific Heat Capacity, J/kg-K 380
440
Thermal Conductivity, W/m-K 29
63
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
13
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
14

Otherwise Unclassified Properties

Base Metal Price, % relative 39
28
Density, g/cm3 8.8
8.3
Embodied Carbon, kg CO2/kg material 4.6
3.1
Embodied Energy, MJ/kg 72
52
Embodied Water, L/kg 360
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 49 to 210
73 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 2030 to 3490
170 to 420
Stiffness to Weight: Axial, points 7.6
7.5
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 27 to 34
17 to 21
Strength to Weight: Bending, points 23 to 27
17 to 19
Thermal Diffusivity, mm2/s 8.6
17
Thermal Shock Resistance, points 31 to 38
19 to 22

Alloy Composition

Aluminum (Al), % 0
9.0 to 11
Copper (Cu), % 74.1 to 78
86.5 to 90.2
Iron (Fe), % 0 to 0.5
0.8 to 1.5
Lead (Pb), % 0 to 0.020
0
Magnesium (Mg), % 0 to 0.15
0
Manganese (Mn), % 0 to 0.3
0
Nickel (Ni), % 14.5 to 15.5
0
Niobium (Nb), % 0 to 0.1
0
Tin (Sn), % 7.5 to 8.5
0
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0
0 to 1.0