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C63800 Bronze vs. C70400 Copper-nickel

Both C63800 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 (6, in this case) are not shown.

For each property being compared, the top bar is C63800 bronze and the bottom bar is C70400 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 43
45
Tensile Strength: Ultimate (UTS), MPa 460 to 1010
300 to 310

Thermal Properties

Latent Heat of Fusion, J/g 240
210
Maximum Temperature: Mechanical, °C 200
210
Melting Completion (Liquidus), °C 1030
1120
Melting Onset (Solidus), °C 1000
1060
Specific Heat Capacity, J/kg-K 410
390
Thermal Conductivity, W/m-K 40
64
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
14
Electrical Conductivity: Equal Weight (Specific), % IACS 10
14

Otherwise Unclassified Properties

Base Metal Price, % relative 30
32
Density, g/cm3 8.6
8.9
Embodied Carbon, kg CO2/kg material 2.8
3.0
Embodied Energy, MJ/kg 45
47
Embodied Water, L/kg 330
300

Common Calculations

Stiffness to Weight: Axial, points 7.4
7.5
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 15 to 33
9.3 to 9.8
Strength to Weight: Bending, points 15 to 26
11 to 12
Thermal Diffusivity, mm2/s 11
18
Thermal Shock Resistance, points 17 to 36
10 to 11

Alloy Composition

Aluminum (Al), % 2.5 to 3.1
0
Cobalt (Co), % 0.25 to 0.55
0
Copper (Cu), % 92.4 to 95.8
89.8 to 93.6
Iron (Fe), % 0 to 0.2
1.3 to 1.7
Lead (Pb), % 0 to 0.050
0 to 0.050
Manganese (Mn), % 0 to 0.1
0.3 to 0.8
Nickel (Ni), % 0 to 0.2
4.8 to 6.2
Silicon (Si), % 1.5 to 2.1
0
Zinc (Zn), % 0 to 0.8
0 to 1.0
Residuals, % 0
0 to 0.5

Comparable Variants