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C63020 Bronze vs. C74000 Nickel Silver

Both C63020 bronze and C74000 nickel silver are copper alloys. They have 77% of their average alloy composition in common. There are 20 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 C63020 bronze and the bottom bar is C74000 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 44
44
Tensile Strength: Ultimate (UTS), MPa 1020
380 to 590

Thermal Properties

Latent Heat of Fusion, J/g 230
200
Maximum Temperature: Mechanical, °C 230
180
Melting Completion (Liquidus), °C 1070
990
Melting Onset (Solidus), °C 1020
950
Specific Heat Capacity, J/kg-K 450
390
Thermal Expansion, µm/m-K 18
18

Otherwise Unclassified Properties

Base Metal Price, % relative 29
30
Density, g/cm3 8.2
8.5
Embodied Carbon, kg CO2/kg material 3.6
3.4
Embodied Energy, MJ/kg 58
54
Embodied Water, L/kg 390
310

Common Calculations

Stiffness to Weight: Axial, points 8.0
7.7
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 34
13 to 19
Strength to Weight: Bending, points 27
14 to 18
Thermal Shock Resistance, points 35
13 to 19

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
69 to 73.5
Iron (Fe), % 4.0 to 5.5
0 to 0.25
Lead (Pb), % 0 to 0.030
0 to 0.1
Manganese (Mn), % 0 to 1.5
0 to 0.5
Nickel (Ni), % 4.2 to 6.0
9.0 to 11
Tin (Sn), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.3
14.2 to 22
Residuals, % 0 to 0.5
0 to 0.5