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C77300 Nickel Silver vs. C86800 Bronze

Both C77300 nickel silver and C86800 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 86% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C77300 nickel silver and the bottom bar is C86800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Poisson's Ratio 0.3
0.31
Shear Modulus, GPa 42
42
Tensile Strength: Ultimate (UTS), MPa 540
570

Thermal Properties

Latent Heat of Fusion, J/g 180
180
Maximum Temperature: Mechanical, °C 130
140
Melting Completion (Liquidus), °C 940
900
Melting Onset (Solidus), °C 920
880
Specific Heat Capacity, J/kg-K 390
400
Thermal Expansion, µm/m-K 20
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 5.5
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 6.3
10

Otherwise Unclassified Properties

Base Metal Price, % relative 26
24
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 3.5
3.0
Embodied Energy, MJ/kg 56
51
Embodied Water, L/kg 310
320

Common Calculations

Stiffness to Weight: Axial, points 7.7
7.7
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 19
20
Strength to Weight: Bending, points 19
19
Thermal Shock Resistance, points 17
18

Alloy Composition

Aluminum (Al), % 0 to 0.010
0 to 2.0
Copper (Cu), % 46 to 50
53.5 to 57
Iron (Fe), % 0
1.0 to 2.5
Lead (Pb), % 0 to 0.050
0 to 0.2
Manganese (Mn), % 0
2.5 to 4.0
Nickel (Ni), % 9.0 to 11
2.5 to 4.0
Phosphorus (P), % 0 to 0.25
0
Silicon (Si), % 0.040 to 0.25
0
Tin (Sn), % 0
0 to 1.0
Zinc (Zn), % 37.9 to 45
28.3 to 40.5
Residuals, % 0
0 to 1.0