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C66100 Bronze vs. C70400 Copper-nickel

Both C66100 bronze and C70400 copper-nickel are copper alloys. They have a moderately high 93% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C66100 bronze and the bottom bar is C70400 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 43
45
Tensile Strength: Ultimate (UTS), MPa 410 to 790
300 to 310
Tensile Strength: Yield (Proof), MPa 120 to 430
95 to 230

Thermal Properties

Latent Heat of Fusion, J/g 260
210
Maximum Temperature: Mechanical, °C 200
210
Melting Completion (Liquidus), °C 1050
1120
Melting Onset (Solidus), °C 1000
1060
Specific Heat Capacity, J/kg-K 400
390
Thermal Conductivity, W/m-K 34
64
Thermal Expansion, µm/m-K 17
17

Otherwise Unclassified Properties

Base Metal Price, % relative 29
32
Density, g/cm3 8.7
8.9
Embodied Carbon, kg CO2/kg material 2.6
3.0
Embodied Energy, MJ/kg 42
47
Embodied Water, L/kg 300
300

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 60 to 790
38 to 220
Stiffness to Weight: Axial, points 7.4
7.5
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 13 to 25
9.3 to 9.8
Strength to Weight: Bending, points 14 to 22
11 to 12
Thermal Diffusivity, mm2/s 9.7
18
Thermal Shock Resistance, points 15 to 29
10 to 11

Alloy Composition

Copper (Cu), % 92 to 97
89.8 to 93.6
Iron (Fe), % 0 to 0.25
1.3 to 1.7
Lead (Pb), % 0.2 to 0.8
0 to 0.050
Manganese (Mn), % 0 to 1.5
0.3 to 0.8
Nickel (Ni), % 0
4.8 to 6.2
Silicon (Si), % 2.8 to 3.5
0
Zinc (Zn), % 0 to 1.5
0 to 1.0
Residuals, % 0
0 to 0.5