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C77300 Nickel Silver vs. C94500 Bronze

Both C77300 nickel silver and C94500 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 49% 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 C77300 nickel silver and the bottom bar is C94500 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
92
Poisson's Ratio 0.3
0.36
Shear Modulus, GPa 42
34
Tensile Strength: Ultimate (UTS), MPa 540
170

Thermal Properties

Latent Heat of Fusion, J/g 180
160
Maximum Temperature: Mechanical, °C 130
130
Melting Completion (Liquidus), °C 940
940
Melting Onset (Solidus), °C 920
800
Specific Heat Capacity, J/kg-K 390
330
Thermal Expansion, µm/m-K 20
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 5.5
10
Electrical Conductivity: Equal Weight (Specific), % IACS 6.3
9.7

Otherwise Unclassified Properties

Base Metal Price, % relative 26
30
Density, g/cm3 7.9
9.3
Embodied Carbon, kg CO2/kg material 3.5
3.2
Embodied Energy, MJ/kg 56
51
Embodied Water, L/kg 310
380

Common Calculations

Stiffness to Weight: Axial, points 7.7
5.5
Stiffness to Weight: Bending, points 20
16
Strength to Weight: Axial, points 19
5.2
Strength to Weight: Bending, points 19
7.4
Thermal Shock Resistance, points 17
6.7

Alloy Composition

Aluminum (Al), % 0 to 0.010
0 to 0.0050
Antimony (Sb), % 0
0 to 0.8
Copper (Cu), % 46 to 50
66.7 to 78
Iron (Fe), % 0
0 to 0.15
Lead (Pb), % 0 to 0.050
16 to 22
Nickel (Ni), % 9.0 to 11
0 to 1.0
Phosphorus (P), % 0 to 0.25
0 to 0.050
Silicon (Si), % 0.040 to 0.25
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0
6.0 to 8.0
Zinc (Zn), % 37.9 to 45
0 to 1.2
Residuals, % 0 to 0.5
0