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C52400 Bronze vs. C70700 Copper-nickel

Both C52400 bronze and C70700 copper-nickel are copper alloys. They have 90% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is C52400 bronze and the bottom bar is C70700 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 41
46
Tensile Strength: Ultimate (UTS), MPa 450 to 880
320

Thermal Properties

Latent Heat of Fusion, J/g 190
220
Maximum Temperature: Mechanical, °C 170
220
Melting Completion (Liquidus), °C 1000
1120
Melting Onset (Solidus), °C 840
1060
Specific Heat Capacity, J/kg-K 370
390
Thermal Conductivity, W/m-K 50
59
Thermal Expansion, µm/m-K 18
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
11
Electrical Conductivity: Equal Weight (Specific), % IACS 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 35
34
Density, g/cm3 8.8
8.9
Embodied Carbon, kg CO2/kg material 3.6
3.4
Embodied Energy, MJ/kg 58
52
Embodied Water, L/kg 390
300

Common Calculations

Stiffness to Weight: Axial, points 6.9
7.6
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 14 to 28
10
Strength to Weight: Bending, points 15 to 23
12
Thermal Diffusivity, mm2/s 15
17
Thermal Shock Resistance, points 17 to 32
12

Alloy Composition

Copper (Cu), % 87.8 to 91
88.5 to 90.5
Iron (Fe), % 0 to 0.1
0 to 0.050
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0
9.5 to 10.5
Phosphorus (P), % 0.030 to 0.35
0
Tin (Sn), % 9.0 to 11
0
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0
0 to 0.5