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C63020 Bronze vs. C74400 Nickel Silver

Both C63020 bronze and C74400 nickel silver are copper alloys. They have 67% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C63020 bronze and the bottom bar is C74400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 6.8
43
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 44
39
Shear Strength, MPa 600
240
Tensile Strength: Ultimate (UTS), MPa 1020
350
Tensile Strength: Yield (Proof), MPa 740
120

Thermal Properties

Latent Heat of Fusion, J/g 230
180
Maximum Temperature: Mechanical, °C 230
140
Melting Completion (Liquidus), °C 1070
930
Melting Onset (Solidus), °C 1020
910
Specific Heat Capacity, J/kg-K 450
390
Thermal Conductivity, W/m-K 40
120
Thermal Expansion, µm/m-K 18
20

Otherwise Unclassified Properties

Base Metal Price, % relative 29
25
Density, g/cm3 8.2
8.2
Embodied Carbon, kg CO2/kg material 3.6
2.9
Embodied Energy, MJ/kg 58
48
Embodied Water, L/kg 390
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 63
120
Resilience: Unit (Modulus of Resilience), kJ/m3 2320
63
Stiffness to Weight: Axial, points 8.0
7.4
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 34
12
Strength to Weight: Bending, points 27
14
Thermal Diffusivity, mm2/s 11
37
Thermal Shock Resistance, points 35
12

Alloy Composition

Aluminum (Al), % 10 to 11
0
Chromium (Cr), % 0 to 0.050
0
Cobalt (Co), % 0 to 0.2
0
Copper (Cu), % 74.7 to 81.8
62 to 66
Iron (Fe), % 4.0 to 5.5
0 to 0.050
Lead (Pb), % 0 to 0.030
0 to 0.050
Manganese (Mn), % 0 to 1.5
0
Nickel (Ni), % 4.2 to 6.0
2.0 to 4.0
Tin (Sn), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.3
29.6 to 36
Residuals, % 0 to 0.5
0 to 0.3