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C63800 Bronze vs. C74400 Nickel Silver

Both C63800 bronze and C74400 nickel silver are copper alloys. They have 65% of their average alloy composition in common. There are 26 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 C63800 bronze and the bottom bar is C74400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 7.9 to 41
43
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 43
39
Shear Strength, MPa 320 to 500
240
Tensile Strength: Ultimate (UTS), MPa 460 to 1010
350

Thermal Properties

Latent Heat of Fusion, J/g 240
180
Maximum Temperature: Mechanical, °C 200
140
Melting Completion (Liquidus), °C 1030
930
Melting Onset (Solidus), °C 1000
910
Specific Heat Capacity, J/kg-K 410
390
Thermal Conductivity, W/m-K 40
120
Thermal Expansion, µm/m-K 17
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
26
Electrical Conductivity: Equal Weight (Specific), % IACS 10
29

Otherwise Unclassified Properties

Base Metal Price, % relative 30
25
Density, g/cm3 8.6
8.2
Embodied Carbon, kg CO2/kg material 2.8
2.9
Embodied Energy, MJ/kg 45
48
Embodied Water, L/kg 330
320

Common Calculations

Stiffness to Weight: Axial, points 7.4
7.4
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 15 to 33
12
Strength to Weight: Bending, points 15 to 26
14
Thermal Diffusivity, mm2/s 11
37
Thermal Shock Resistance, points 17 to 36
12

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
62 to 66
Iron (Fe), % 0 to 0.2
0 to 0.050
Lead (Pb), % 0 to 0.050
0 to 0.050
Manganese (Mn), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.2
2.0 to 4.0
Silicon (Si), % 1.5 to 2.1
0
Zinc (Zn), % 0 to 0.8
29.6 to 36
Residuals, % 0
0 to 0.3