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C72900 Copper-nickel vs. C93700 Bronze

Both C72900 copper-nickel and C93700 bronze are copper alloys. They have 85% of their average alloy composition in common. There are 28 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 C72900 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, % 6.0 to 20
20
Poisson's Ratio 0.34
0.35
Shear Modulus, GPa 45
37
Tensile Strength: Ultimate (UTS), MPa 870 to 1080
240
Tensile Strength: Yield (Proof), MPa 700 to 920
130

Thermal Properties

Latent Heat of Fusion, J/g 210
170
Maximum Temperature: Mechanical, °C 210
140
Melting Completion (Liquidus), °C 1120
930
Melting Onset (Solidus), °C 950
760
Specific Heat Capacity, J/kg-K 380
350
Thermal Conductivity, W/m-K 29
47
Thermal Expansion, µm/m-K 17
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
10
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
10

Otherwise Unclassified Properties

Base Metal Price, % relative 39
33
Density, g/cm3 8.8
8.9
Embodied Carbon, kg CO2/kg material 4.6
3.5
Embodied Energy, MJ/kg 72
57
Embodied Water, L/kg 360
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 49 to 210
40
Resilience: Unit (Modulus of Resilience), kJ/m3 2030 to 3490
79
Stiffness to Weight: Axial, points 7.6
6.2
Stiffness to Weight: Bending, points 19
17
Strength to Weight: Axial, points 27 to 34
7.5
Strength to Weight: Bending, points 23 to 27
9.6
Thermal Diffusivity, mm2/s 8.6
15
Thermal Shock Resistance, points 31 to 38
9.4

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.5
Copper (Cu), % 74.1 to 78
78 to 82
Iron (Fe), % 0 to 0.5
0 to 0.15
Lead (Pb), % 0 to 0.020
8.0 to 11
Magnesium (Mg), % 0 to 0.15
0
Manganese (Mn), % 0 to 0.3
0
Nickel (Ni), % 14.5 to 15.5
0 to 1.0
Niobium (Nb), % 0 to 0.1
0
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 7.5 to 8.5
9.0 to 11
Zinc (Zn), % 0 to 0.5
0 to 0.8
Residuals, % 0
0 to 1.0