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C72800 Copper-nickel vs. C93700 Bronze

Both C72800 copper-nickel and C93700 bronze are copper alloys. They have 89% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C72800 copper-nickel and the bottom bar is C93700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
99
Elongation at Break, % 3.9 to 23
20
Poisson's Ratio 0.34
0.35
Shear Modulus, GPa 44
37
Tensile Strength: Ultimate (UTS), MPa 520 to 1270
240
Tensile Strength: Yield (Proof), MPa 250 to 1210
130

Thermal Properties

Latent Heat of Fusion, J/g 210
170
Maximum Temperature: Mechanical, °C 200
140
Melting Completion (Liquidus), °C 1080
930
Melting Onset (Solidus), °C 920
760
Specific Heat Capacity, J/kg-K 380
350
Thermal Conductivity, W/m-K 55
47
Thermal Expansion, µm/m-K 17
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
10
Electrical Conductivity: Equal Weight (Specific), % IACS 11
10

Otherwise Unclassified Properties

Base Metal Price, % relative 38
33
Density, g/cm3 8.8
8.9
Embodied Carbon, kg CO2/kg material 4.4
3.5
Embodied Energy, MJ/kg 68
57
Embodied Water, L/kg 360
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 37 to 99
40
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 5650
79
Stiffness to Weight: Axial, points 7.4
6.2
Stiffness to Weight: Bending, points 19
17
Strength to Weight: Axial, points 17 to 40
7.5
Strength to Weight: Bending, points 16 to 30
9.6
Thermal Diffusivity, mm2/s 17
15
Thermal Shock Resistance, points 19 to 45
9.4

Alloy Composition

Aluminum (Al), % 0 to 0.1
0 to 0.0050
Antimony (Sb), % 0 to 0.020
0 to 0.5
Bismuth (Bi), % 0 to 0.0010
0
Boron (B), % 0 to 0.0010
0
Copper (Cu), % 78.3 to 82.8
78 to 82
Iron (Fe), % 0 to 0.5
0 to 0.15
Lead (Pb), % 0 to 0.0050
8.0 to 11
Magnesium (Mg), % 0.0050 to 0.15
0
Manganese (Mn), % 0.050 to 0.3
0
Nickel (Ni), % 9.5 to 10.5
0 to 1.0
Niobium (Nb), % 0.1 to 0.3
0
Phosphorus (P), % 0 to 0.0050
0 to 1.5
Silicon (Si), % 0 to 0.050
0 to 0.0050
Sulfur (S), % 0 to 0.0025
0 to 0.080
Tin (Sn), % 7.5 to 8.5
9.0 to 11
Titanium (Ti), % 0 to 0.010
0
Zinc (Zn), % 0 to 1.0
0 to 0.8
Residuals, % 0
0 to 1.0