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C77300 Nickel Silver vs. C92700 Bronze

Both C77300 nickel silver and C92700 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 C92700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Poisson's Ratio 0.3
0.34
Shear Modulus, GPa 42
40
Tensile Strength: Ultimate (UTS), MPa 540
290

Thermal Properties

Latent Heat of Fusion, J/g 180
190
Maximum Temperature: Mechanical, °C 130
170
Melting Completion (Liquidus), °C 940
980
Melting Onset (Solidus), °C 920
840
Specific Heat Capacity, J/kg-K 390
370
Thermal Expansion, µm/m-K 20
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 5.5
11
Electrical Conductivity: Equal Weight (Specific), % IACS 6.3
11

Otherwise Unclassified Properties

Base Metal Price, % relative 26
35
Density, g/cm3 7.9
8.7
Embodied Carbon, kg CO2/kg material 3.5
3.6
Embodied Energy, MJ/kg 56
58
Embodied Water, L/kg 310
390

Common Calculations

Stiffness to Weight: Axial, points 7.7
6.8
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 19
9.1
Strength to Weight: Bending, points 19
11
Thermal Shock Resistance, points 17
11

Alloy Composition

Aluminum (Al), % 0 to 0.010
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Copper (Cu), % 46 to 50
86 to 89
Iron (Fe), % 0
0 to 0.2
Lead (Pb), % 0 to 0.050
1.0 to 2.5
Nickel (Ni), % 9.0 to 11
0 to 1.0
Phosphorus (P), % 0 to 0.25
0 to 1.5
Silicon (Si), % 0.040 to 0.25
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
9.0 to 11
Zinc (Zn), % 37.9 to 45
0 to 0.7
Residuals, % 0
0 to 0.7