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C52400 Bronze vs. C73500 Nickel Silver

Both C52400 bronze and C73500 nickel silver are copper alloys. They have 72% of their average alloy composition in common.

For each property being compared, the top bar is C52400 bronze and the bottom bar is C73500 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
130
Poisson's Ratio 0.34
0.33
Rockwell B Hardness 50 to 100
73 to 88
Rockwell Superficial 30T Hardness 54 to 84
65 to 75
Shear Modulus, GPa 41
47
Tensile Strength: Ultimate (UTS), MPa 450 to 880
380 to 580

Thermal Properties

Latent Heat of Fusion, J/g 190
210
Maximum Temperature: Mechanical, °C 170
220
Melting Completion (Liquidus), °C 1000
1140
Melting Onset (Solidus), °C 840
1090
Specific Heat Capacity, J/kg-K 370
400
Thermal Conductivity, W/m-K 50
36
Thermal Expansion, µm/m-K 18
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
6.5
Electrical Conductivity: Equal Weight (Specific), % IACS 11
6.7

Otherwise Unclassified Properties

Base Metal Price, % relative 35
35
Density, g/cm3 8.8
8.7
Embodied Carbon, kg CO2/kg material 3.6
4.0
Embodied Energy, MJ/kg 58
61
Embodied Water, L/kg 390
300

Common Calculations

Stiffness to Weight: Axial, points 6.9
8.0
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 14 to 28
12 to 19
Strength to Weight: Bending, points 15 to 23
13 to 18
Thermal Diffusivity, mm2/s 15
10
Thermal Shock Resistance, points 17 to 32
13 to 19

Alloy Composition

Copper (Cu), % 87.8 to 91
70.5 to 73.5
Iron (Fe), % 0 to 0.1
0 to 0.25
Lead (Pb), % 0 to 0.050
0 to 0.1
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0
16.5 to 19.5
Phosphorus (P), % 0.030 to 0.35
0
Tin (Sn), % 9.0 to 11
0
Zinc (Zn), % 0 to 0.2
5.7 to 13
Residuals, % 0
0 to 0.5

Comparable Variants