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C72200 Copper-nickel vs. C67300 Bronze

Both C72200 copper-nickel and C67300 bronze are copper alloys. They have 62% of their average alloy composition in common. There are 25 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 C72200 copper-nickel and the bottom bar is C67300 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 130
110
Poisson's Ratio 0.33
0.31
Rockwell B Hardness 71 to 86
91
Shear Modulus, GPa 48
41
Tensile Strength: Ultimate (UTS), MPa 350 to 580
500

Thermal Properties

Latent Heat of Fusion, J/g 220
190
Maximum Temperature: Mechanical, °C 230
130
Melting Completion (Liquidus), °C 1180
870
Melting Onset (Solidus), °C 1120
830
Specific Heat Capacity, J/kg-K 400
390
Thermal Conductivity, W/m-K 34
95
Thermal Expansion, µm/m-K 16
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.5
22
Electrical Conductivity: Equal Weight (Specific), % IACS 6.6
25

Otherwise Unclassified Properties

Base Metal Price, % relative 36
23
Density, g/cm3 8.9
8.0
Embodied Carbon, kg CO2/kg material 3.9
2.7
Embodied Energy, MJ/kg 59
46
Embodied Water, L/kg 300
320

Common Calculations

Stiffness to Weight: Axial, points 8.0
7.4
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 11 to 18
17
Strength to Weight: Bending, points 12 to 17
17
Thermal Diffusivity, mm2/s 9.6
30
Thermal Shock Resistance, points 12 to 20
16

Alloy Composition

Aluminum (Al), % 0
0 to 0.25
Chromium (Cr), % 0.3 to 0.7
0
Copper (Cu), % 78.1 to 84.2
58 to 63
Iron (Fe), % 0.5 to 1.0
0 to 0.5
Lead (Pb), % 0 to 0.050
0.4 to 3.0
Manganese (Mn), % 0 to 1.0
2.0 to 3.5
Nickel (Ni), % 15 to 18
0 to 0.25
Silicon (Si), % 0
0.5 to 1.5
Tin (Sn), % 0
0 to 0.3
Zinc (Zn), % 0 to 1.0
27.2 to 39.1
Residuals, % 0
0 to 0.5