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C86300 Bronze vs. C70620 Copper-nickel

Both C86300 bronze and C70620 copper-nickel are copper alloys. They have 66% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is C86300 bronze and the bottom bar is C70620 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 42
46
Tensile Strength: Ultimate (UTS), MPa 850
300 to 570

Thermal Properties

Latent Heat of Fusion, J/g 200
220
Maximum Temperature: Mechanical, °C 160
220
Melting Completion (Liquidus), °C 920
1120
Melting Onset (Solidus), °C 890
1060
Specific Heat Capacity, J/kg-K 420
390
Thermal Conductivity, W/m-K 35
49
Thermal Expansion, µm/m-K 20
17

Otherwise Unclassified Properties

Base Metal Price, % relative 23
33
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 3.0
3.4
Embodied Energy, MJ/kg 51
51
Embodied Water, L/kg 360
300

Common Calculations

Stiffness to Weight: Axial, points 7.8
7.7
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 30
9.3 to 18
Strength to Weight: Bending, points 25
11 to 17
Thermal Diffusivity, mm2/s 11
14
Thermal Shock Resistance, points 28
10 to 20

Alloy Composition

Aluminum (Al), % 5.0 to 7.5
0
Carbon (C), % 0
0 to 0.050
Copper (Cu), % 60 to 66
86.5 to 90
Iron (Fe), % 2.0 to 4.0
1.0 to 1.8
Lead (Pb), % 0 to 0.2
0 to 0.020
Manganese (Mn), % 2.5 to 5.0
0 to 1.0
Nickel (Ni), % 0 to 1.0
9.0 to 11
Phosphorus (P), % 0
0 to 0.2
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 0 to 0.2
0
Zinc (Zn), % 22 to 28
0 to 0.5
Residuals, % 0 to 1.0
0 to 0.5