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C86700 Bronze vs. C73500 Nickel Silver

Both C86700 bronze and C73500 nickel silver are copper alloys. They have 68% 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 C86700 bronze and the bottom bar is C73500 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
130
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 41
47
Tensile Strength: Ultimate (UTS), MPa 630
380 to 580

Thermal Properties

Latent Heat of Fusion, J/g 180
210
Maximum Temperature: Mechanical, °C 130
220
Melting Completion (Liquidus), °C 880
1140
Melting Onset (Solidus), °C 860
1090
Specific Heat Capacity, J/kg-K 400
400
Thermal Conductivity, W/m-K 89
36
Thermal Expansion, µm/m-K 20
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 17
6.5
Electrical Conductivity: Equal Weight (Specific), % IACS 19
6.7

Otherwise Unclassified Properties

Base Metal Price, % relative 23
35
Density, g/cm3 7.9
8.7
Embodied Carbon, kg CO2/kg material 2.9
4.0
Embodied Energy, MJ/kg 49
61
Embodied Water, L/kg 340
300

Common Calculations

Stiffness to Weight: Axial, points 7.5
8.0
Stiffness to Weight: Bending, points 20
19
Strength to Weight: Axial, points 22
12 to 19
Strength to Weight: Bending, points 21
13 to 18
Thermal Diffusivity, mm2/s 28
10
Thermal Shock Resistance, points 21
13 to 19

Alloy Composition

Aluminum (Al), % 1.0 to 3.0
0
Copper (Cu), % 55 to 60
70.5 to 73.5
Iron (Fe), % 1.0 to 3.0
0 to 0.25
Lead (Pb), % 0.5 to 1.5
0 to 0.1
Manganese (Mn), % 1.0 to 3.5
0 to 0.5
Nickel (Ni), % 0 to 1.0
16.5 to 19.5
Tin (Sn), % 0 to 1.5
0
Zinc (Zn), % 30 to 38
5.7 to 13
Residuals, % 0
0 to 0.5