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C74500 Nickel Silver vs. C87700 Bronze

Both C74500 nickel silver and C87700 bronze are copper alloys. They have 74% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C74500 nickel silver and the bottom bar is C87700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 3.0 to 24
3.6
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 44
42
Tensile Strength: Ultimate (UTS), MPa 390 to 700
300
Tensile Strength: Yield (Proof), MPa 380 to 600
120

Thermal Properties

Latent Heat of Fusion, J/g 190
250
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 1020
980
Melting Onset (Solidus), °C 970
900
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 45
120
Thermal Expansion, µm/m-K 19
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
45
Electrical Conductivity: Equal Weight (Specific), % IACS 9.7
48

Otherwise Unclassified Properties

Base Metal Price, % relative 29
29
Density, g/cm3 8.3
8.5
Embodied Carbon, kg CO2/kg material 3.4
2.7
Embodied Energy, MJ/kg 54
45
Embodied Water, L/kg 310
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 160
8.6
Resilience: Unit (Modulus of Resilience), kJ/m3 620 to 1540
64
Stiffness to Weight: Axial, points 7.7
7.4
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 13 to 23
9.8
Strength to Weight: Bending, points 14 to 21
12
Thermal Diffusivity, mm2/s 14
34
Thermal Shock Resistance, points 13 to 23
11

Alloy Composition

Antimony (Sb), % 0
0 to 0.1
Copper (Cu), % 63.5 to 66.5
87.5 to 90.5
Iron (Fe), % 0 to 0.25
0 to 0.5
Lead (Pb), % 0 to 0.1
0 to 0.090
Manganese (Mn), % 0 to 0.5
0 to 0.8
Nickel (Ni), % 9.0 to 11
0 to 0.25
Phosphorus (P), % 0
0 to 0.15
Silicon (Si), % 0
2.5 to 3.5
Tin (Sn), % 0
0 to 2.0
Zinc (Zn), % 21.2 to 27.5
7.0 to 9.0
Residuals, % 0 to 0.5
0 to 0.8