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C38500 Bronze vs. C72200 Copper-nickel

Both C38500 bronze and C72200 copper-nickel are copper alloys. They have 58% of their average alloy composition in common. There are 24 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 C38500 bronze and the bottom bar is C72200 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
130
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 37
48
Tensile Strength: Ultimate (UTS), MPa 370
350 to 580

Thermal Properties

Latent Heat of Fusion, J/g 160
220
Maximum Temperature: Mechanical, °C 110
230
Melting Completion (Liquidus), °C 890
1180
Melting Onset (Solidus), °C 880
1120
Specific Heat Capacity, J/kg-K 380
400
Thermal Conductivity, W/m-K 120
34
Thermal Expansion, µm/m-K 21
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
6.5
Electrical Conductivity: Equal Weight (Specific), % IACS 31
6.6

Otherwise Unclassified Properties

Base Metal Price, % relative 22
36
Density, g/cm3 8.1
8.9
Embodied Carbon, kg CO2/kg material 2.6
3.9
Embodied Energy, MJ/kg 45
59
Embodied Water, L/kg 320
300

Common Calculations

Stiffness to Weight: Axial, points 7.0
8.0
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 13
11 to 18
Strength to Weight: Bending, points 14
12 to 17
Thermal Diffusivity, mm2/s 40
9.6
Thermal Shock Resistance, points 12
12 to 20

Alloy Composition

Chromium (Cr), % 0
0.3 to 0.7
Copper (Cu), % 55 to 59
78.1 to 84.2
Iron (Fe), % 0 to 0.35
0.5 to 1.0
Lead (Pb), % 2.5 to 3.5
0 to 0.050
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
15 to 18
Zinc (Zn), % 36.7 to 42.5
0 to 1.0
Residuals, % 0
0 to 0.2