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C72200 Copper-nickel vs. C53400 Bronze

Both C72200 copper-nickel and C53400 bronze are copper alloys. They have 81% of their average alloy composition in common.

For each property being compared, the top bar is C72200 copper-nickel and the bottom bar is C53400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 130
110
Poisson's Ratio 0.33
0.34
Rockwell B Hardness 71 to 86
67 to 93
Rockwell Superficial 30T Hardness 64 to 75
33 to 79
Shear Modulus, GPa 48
42
Tensile Strength: Ultimate (UTS), MPa 350 to 580
330 to 720

Thermal Properties

Latent Heat of Fusion, J/g 220
200
Maximum Temperature: Mechanical, °C 230
180
Melting Completion (Liquidus), °C 1180
1050
Melting Onset (Solidus), °C 1120
950
Specific Heat Capacity, J/kg-K 400
380
Thermal Conductivity, W/m-K 34
69
Thermal Expansion, µm/m-K 16
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.5
15
Electrical Conductivity: Equal Weight (Specific), % IACS 6.6
15

Otherwise Unclassified Properties

Base Metal Price, % relative 36
32
Density, g/cm3 8.9
8.9
Embodied Carbon, kg CO2/kg material 3.9
3.0
Embodied Energy, MJ/kg 59
49
Embodied Water, L/kg 300
350

Common Calculations

Stiffness to Weight: Axial, points 8.0
7.0
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 11 to 18
10 to 22
Strength to Weight: Bending, points 12 to 17
12 to 20
Thermal Diffusivity, mm2/s 9.6
21
Thermal Shock Resistance, points 12 to 20
12 to 26

Alloy Composition

Chromium (Cr), % 0.3 to 0.7
0
Copper (Cu), % 78.1 to 84.2
91.8 to 95.7
Iron (Fe), % 0.5 to 1.0
0 to 0.1
Lead (Pb), % 0 to 0.050
0.8 to 1.2
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 15 to 18
0
Phosphorus (P), % 0
0.030 to 0.35
Tin (Sn), % 0
3.5 to 5.8
Zinc (Zn), % 0 to 1.0
0 to 0.3
Residuals, % 0
0 to 0.5

Comparable Variants