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C95820 Bronze vs. C77400 Nickel Silver

Both C95820 bronze and C77400 nickel silver are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 51% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C95820 bronze and the bottom bar is C77400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 15
25
Poisson's Ratio 0.34
0.3
Shear Modulus, GPa 44
42
Tensile Strength: Ultimate (UTS), MPa 730
570
Tensile Strength: Yield (Proof), MPa 310
250

Thermal Properties

Latent Heat of Fusion, J/g 230
170
Maximum Temperature: Mechanical, °C 230
130
Melting Completion (Liquidus), °C 1080
810
Melting Onset (Solidus), °C 1020
770
Specific Heat Capacity, J/kg-K 440
390
Thermal Expansion, µm/m-K 17
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
27
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
31

Otherwise Unclassified Properties

Base Metal Price, % relative 29
25
Density, g/cm3 8.3
7.9
Embodied Carbon, kg CO2/kg material 3.5
3.5
Embodied Energy, MJ/kg 56
57
Embodied Water, L/kg 380
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86
120
Resilience: Unit (Modulus of Resilience), kJ/m3 400
290
Stiffness to Weight: Axial, points 8.0
7.7
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 24
20
Strength to Weight: Bending, points 22
19
Thermal Shock Resistance, points 25
18

Alloy Composition

Aluminum (Al), % 9.0 to 10
0
Copper (Cu), % 77.5 to 82.5
43 to 47
Iron (Fe), % 4.0 to 5.0
0
Lead (Pb), % 0 to 0.020
0 to 0.2
Manganese (Mn), % 0 to 1.5
0
Nickel (Ni), % 4.5 to 5.8
9.0 to 11
Silicon (Si), % 0 to 0.1
0
Tin (Sn), % 0 to 0.020
0
Zinc (Zn), % 0 to 0.2
41.3 to 48
Residuals, % 0
0 to 0.5