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C31400 Bronze vs. C71500 Copper-nickel

Both C31400 bronze and C71500 copper-nickel are copper alloys. They have 68% 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 C31400 bronze and the bottom bar is C71500 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
140
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 42
52
Tensile Strength: Ultimate (UTS), MPa 270 to 420
380 to 620

Thermal Properties

Latent Heat of Fusion, J/g 200
230
Maximum Temperature: Mechanical, °C 180
260
Melting Completion (Liquidus), °C 1040
1240
Melting Onset (Solidus), °C 1010
1170
Specific Heat Capacity, J/kg-K 380
400
Thermal Conductivity, W/m-K 180
28
Thermal Expansion, µm/m-K 18
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 42
4.6
Electrical Conductivity: Equal Weight (Specific), % IACS 43
4.7

Otherwise Unclassified Properties

Base Metal Price, % relative 29
41
Density, g/cm3 8.8
8.9
Embodied Carbon, kg CO2/kg material 2.6
5.1
Embodied Energy, MJ/kg 42
74
Embodied Water, L/kg 310
280

Common Calculations

Stiffness to Weight: Axial, points 7.1
8.6
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 8.7 to 13
12 to 19
Strength to Weight: Bending, points 11 to 14
13 to 18
Thermal Diffusivity, mm2/s 54
7.7
Thermal Shock Resistance, points 9.6 to 15
12 to 20

Alloy Composition


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Copper (Cu), % 87.5 to 90.5
63.5 to 70.6
Iron (Fe), % 0 to 0.1
0.4 to 1.0
Lead (Pb), % 1.3 to 2.5
0 to 0.050
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0 to 0.7
29 to 33
Zinc (Zn), % 5.8 to 11.2
0 to 1.0
Residuals, % 0 to 0.4
0 to 0.5

Comparable Variants