MakeItFrom.com
Menu (ESC)

C72200 Copper-nickel vs. C67400 Bronze

Both C72200 copper-nickel and C67400 bronze are copper alloys. They have 60% 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 C67400 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
78 to 85
Shear Modulus, GPa 48
41
Tensile Strength: Ultimate (UTS), MPa 350 to 580
480 to 610

Thermal Properties

Latent Heat of Fusion, J/g 220
190
Maximum Temperature: Mechanical, °C 230
130
Melting Completion (Liquidus), °C 1180
890
Melting Onset (Solidus), °C 1120
870
Specific Heat Capacity, J/kg-K 400
400
Thermal Conductivity, W/m-K 34
100
Thermal Expansion, µm/m-K 16
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.5
23
Electrical Conductivity: Equal Weight (Specific), % IACS 6.6
26

Otherwise Unclassified Properties

Base Metal Price, % relative 36
23
Density, g/cm3 8.9
7.9
Embodied Carbon, kg CO2/kg material 3.9
2.8
Embodied Energy, MJ/kg 59
48
Embodied Water, L/kg 300
330

Common Calculations

Stiffness to Weight: Axial, points 8.0
7.5
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 11 to 18
17 to 22
Strength to Weight: Bending, points 12 to 17
17 to 20
Thermal Diffusivity, mm2/s 9.6
32
Thermal Shock Resistance, points 12 to 20
16 to 20

Alloy Composition

Aluminum (Al), % 0
0.5 to 2.0
Chromium (Cr), % 0.3 to 0.7
0
Copper (Cu), % 78.1 to 84.2
57 to 60
Iron (Fe), % 0.5 to 1.0
0 to 0.35
Lead (Pb), % 0 to 0.050
0 to 0.5
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
31.1 to 40
Residuals, % 0
0 to 0.5