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C77400 Nickel Silver vs. C95820 Bronze

Both C77400 nickel silver and C95820 bronze 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 C77400 nickel silver and the bottom bar is C95820 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

Aluminum (Al), % 0
9.0 to 10
Copper (Cu), % 43 to 47
77.5 to 82.5
Iron (Fe), % 0
4.0 to 5.0
Lead (Pb), % 0 to 0.2
0 to 0.020
Manganese (Mn), % 0
0 to 1.5
Nickel (Ni), % 9.0 to 11
4.5 to 5.8
Silicon (Si), % 0
0 to 0.1
Tin (Sn), % 0
0 to 0.020
Zinc (Zn), % 41.3 to 48
0 to 0.2
Residuals, % 0
0 to 0.8