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C87200 Bronze vs. C74000 Nickel Silver

Both C87200 bronze and C74000 nickel silver are copper alloys. They have 74% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is C87200 bronze and the bottom bar is C74000 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 43
44
Tensile Strength: Ultimate (UTS), MPa 380
380 to 590

Thermal Properties

Latent Heat of Fusion, J/g 260
200
Maximum Temperature: Mechanical, °C 200
180
Melting Completion (Liquidus), °C 970
990
Melting Onset (Solidus), °C 860
950
Specific Heat Capacity, J/kg-K 410
390
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.0
40
Electrical Conductivity: Equal Weight (Specific), % IACS 6.3
42

Otherwise Unclassified Properties

Base Metal Price, % relative 29
30
Density, g/cm3 8.6
8.5
Embodied Carbon, kg CO2/kg material 2.7
3.4
Embodied Energy, MJ/kg 44
54
Embodied Water, L/kg 310
310

Common Calculations

Stiffness to Weight: Axial, points 7.4
7.7
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 12
13 to 19
Strength to Weight: Bending, points 14
14 to 18
Thermal Shock Resistance, points 14
13 to 19

Alloy Composition


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Aluminum (Al), % 0 to 1.5
0
Copper (Cu), % 89 to 99
69 to 73.5
Iron (Fe), % 0 to 2.5
0 to 0.25
Lead (Pb), % 0 to 0.5
0 to 0.1
Manganese (Mn), % 0 to 1.5
0 to 0.5
Nickel (Ni), % 0
9.0 to 11
Phosphorus (P), % 0 to 0.5
0
Silicon (Si), % 1.0 to 5.0
0
Tin (Sn), % 0 to 1.0
0
Zinc (Zn), % 0 to 5.0
14.2 to 22
Residuals, % 0
0 to 0.5