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C38500 Bronze vs. C74000 Nickel Silver

Both C38500 bronze and C74000 nickel silver are copper alloys. They have 76% 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 C38500 bronze and the bottom bar is C74000 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
120
Poisson's Ratio 0.31
0.32
Shear Modulus, GPa 37
44
Tensile Strength: Ultimate (UTS), MPa 370
380 to 590

Thermal Properties

Latent Heat of Fusion, J/g 160
200
Maximum Temperature: Mechanical, °C 110
180
Melting Completion (Liquidus), °C 890
990
Melting Onset (Solidus), °C 880
950
Specific Heat Capacity, J/kg-K 380
390
Thermal Expansion, µm/m-K 21
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
40
Electrical Conductivity: Equal Weight (Specific), % IACS 31
42

Otherwise Unclassified Properties

Base Metal Price, % relative 22
30
Density, g/cm3 8.1
8.5
Embodied Carbon, kg CO2/kg material 2.6
3.4
Embodied Energy, MJ/kg 45
54
Embodied Water, L/kg 320
310

Common Calculations

Stiffness to Weight: Axial, points 7.0
7.7
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 13
13 to 19
Strength to Weight: Bending, points 14
14 to 18
Thermal Shock Resistance, points 12
13 to 19

Alloy Composition

Copper (Cu), % 55 to 59
69 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
9.0 to 11
Zinc (Zn), % 36.7 to 42.5
14.2 to 22
Residuals, % 0
0 to 0.5