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C95820 Bronze vs. C77300 Nickel Silver

Both C95820 bronze and C77300 nickel silver are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 54% of their average alloy composition in common. There are 22 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 C95820 bronze and the bottom bar is C77300 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Poisson's Ratio 0.34
0.3
Shear Modulus, GPa 44
42
Tensile Strength: Ultimate (UTS), MPa 730
540

Thermal Properties

Latent Heat of Fusion, J/g 230
180
Maximum Temperature: Mechanical, °C 230
130
Melting Completion (Liquidus), °C 1080
940
Melting Onset (Solidus), °C 1020
920
Specific Heat Capacity, J/kg-K 440
390
Thermal Expansion, µm/m-K 17
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
5.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
6.3

Otherwise Unclassified Properties

Base Metal Price, % relative 29
26
Density, g/cm3 8.3
7.9
Embodied Carbon, kg CO2/kg material 3.5
3.5
Embodied Energy, MJ/kg 56
56
Embodied Water, L/kg 380
310

Common Calculations

Stiffness to Weight: Axial, points 8.0
7.7
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 24
19
Strength to Weight: Bending, points 22
19
Thermal Shock Resistance, points 25
17

Alloy Composition

Aluminum (Al), % 9.0 to 10
0 to 0.010
Copper (Cu), % 77.5 to 82.5
46 to 50
Iron (Fe), % 4.0 to 5.0
0
Lead (Pb), % 0 to 0.020
0 to 0.050
Manganese (Mn), % 0 to 1.5
0
Nickel (Ni), % 4.5 to 5.8
9.0 to 11
Phosphorus (P), % 0
0 to 0.25
Silicon (Si), % 0 to 0.1
0.040 to 0.25
Tin (Sn), % 0 to 0.020
0
Zinc (Zn), % 0 to 0.2
37.9 to 45
Residuals, % 0
0 to 0.5