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C38500 Bronze vs. C73500 Nickel Silver

Both C38500 bronze and C73500 nickel silver are copper alloys. They have 67% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C38500 bronze and the bottom bar is C73500 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
130
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 37
47
Tensile Strength: Ultimate (UTS), MPa 370
380 to 580

Thermal Properties

Latent Heat of Fusion, J/g 160
210
Maximum Temperature: Mechanical, °C 110
220
Melting Completion (Liquidus), °C 890
1140
Melting Onset (Solidus), °C 880
1090
Specific Heat Capacity, J/kg-K 380
400
Thermal Conductivity, W/m-K 120
36
Thermal Expansion, µm/m-K 21
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
6.5
Electrical Conductivity: Equal Weight (Specific), % IACS 31
6.7

Otherwise Unclassified Properties

Base Metal Price, % relative 22
35
Density, g/cm3 8.1
8.7
Embodied Carbon, kg CO2/kg material 2.6
4.0
Embodied Energy, MJ/kg 45
61
Embodied Water, L/kg 320
300

Common Calculations

Stiffness to Weight: Axial, points 7.0
8.0
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 13
12 to 19
Strength to Weight: Bending, points 14
13 to 18
Thermal Diffusivity, mm2/s 40
10
Thermal Shock Resistance, points 12
13 to 19

Alloy Composition

Copper (Cu), % 55 to 59
70.5 to 73.5
Iron (Fe), % 0 to 0.35
0 to 0.25
Lead (Pb), % 2.5 to 3.5
0 to 0.1
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0
16.5 to 19.5
Zinc (Zn), % 36.7 to 42.5
5.7 to 13
Residuals, % 0
0 to 0.5