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C71640 Copper-nickel vs. C64800 Bronze

Both C71640 copper-nickel and C64800 bronze are copper alloys. They have 66% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C71640 copper-nickel and the bottom bar is C64800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
120
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 52
44
Tensile Strength: Ultimate (UTS), MPa 490 to 630
640
Tensile Strength: Yield (Proof), MPa 190 to 460
630

Thermal Properties

Latent Heat of Fusion, J/g 240
220
Maximum Temperature: Mechanical, °C 260
200
Melting Completion (Liquidus), °C 1180
1090
Melting Onset (Solidus), °C 1120
1030
Specific Heat Capacity, J/kg-K 410
390
Thermal Conductivity, W/m-K 29
260
Thermal Expansion, µm/m-K 15
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
65
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
66

Otherwise Unclassified Properties

Base Metal Price, % relative 40
33
Density, g/cm3 8.9
8.9
Embodied Carbon, kg CO2/kg material 5.0
2.7
Embodied Energy, MJ/kg 73
43
Embodied Water, L/kg 280
310

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 750
1680
Stiffness to Weight: Axial, points 8.7
7.4
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 15 to 20
20
Strength to Weight: Bending, points 16 to 18
19
Thermal Diffusivity, mm2/s 8.2
75
Thermal Shock Resistance, points 16 to 21
23

Alloy Composition


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Chromium (Cr), % 0
0 to 0.090
Cobalt (Co), % 0
1.0 to 3.0
Copper (Cu), % 61.7 to 67.8
92.4 to 98.8
Iron (Fe), % 1.7 to 2.3
0 to 1.0
Lead (Pb), % 0 to 0.050
0 to 0.050
Manganese (Mn), % 1.5 to 2.5
0
Nickel (Ni), % 29 to 32
0 to 0.5
Phosphorus (P), % 0
0 to 0.5
Silicon (Si), % 0
0.2 to 1.0
Tin (Sn), % 0
0 to 0.5
Zinc (Zn), % 0 to 1.0
0 to 0.5
Residuals, % 0 to 0.5
0 to 0.5