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C52400 Bronze vs. C78200 Nickel Silver

Both C52400 bronze and C78200 nickel silver are copper alloys. They have 65% of their average alloy composition in common. There are 26 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 C52400 bronze and the bottom bar is C78200 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Poisson's Ratio 0.34
0.32
Rockwell B Hardness 50 to 100
65 to 90
Rockwell Superficial 30T Hardness 54 to 84
63 to 75
Shear Modulus, GPa 41
43
Tensile Strength: Ultimate (UTS), MPa 450 to 880
370 to 630

Thermal Properties

Latent Heat of Fusion, J/g 190
190
Maximum Temperature: Mechanical, °C 170
160
Melting Completion (Liquidus), °C 1000
1000
Melting Onset (Solidus), °C 840
970
Specific Heat Capacity, J/kg-K 370
390
Thermal Conductivity, W/m-K 50
48
Thermal Expansion, µm/m-K 18
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
11
Electrical Conductivity: Equal Weight (Specific), % IACS 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 35
28
Density, g/cm3 8.8
8.4
Embodied Carbon, kg CO2/kg material 3.6
3.3
Embodied Energy, MJ/kg 58
52
Embodied Water, L/kg 390
310

Common Calculations

Stiffness to Weight: Axial, points 6.9
7.4
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 14 to 28
12 to 21
Strength to Weight: Bending, points 15 to 23
14 to 19
Thermal Diffusivity, mm2/s 15
15
Thermal Shock Resistance, points 17 to 32
12 to 21

Alloy Composition

Copper (Cu), % 87.8 to 91
63 to 67
Iron (Fe), % 0 to 0.1
0 to 0.35
Lead (Pb), % 0 to 0.050
1.5 to 2.5
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0
7.0 to 9.0
Phosphorus (P), % 0.030 to 0.35
0
Tin (Sn), % 9.0 to 11
0
Zinc (Zn), % 0 to 0.2
20.2 to 28.5
Residuals, % 0
0 to 0.5

Comparable Variants