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C72200 Copper-nickel vs. S32808 Stainless Steel

C72200 copper-nickel belongs to the copper alloys classification, while S32808 stainless steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is C72200 copper-nickel and the bottom bar is S32808 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 130
210
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 48
81
Tensile Strength: Ultimate (UTS), MPa 350 to 580
780

Thermal Properties

Latent Heat of Fusion, J/g 220
300
Maximum Temperature: Mechanical, °C 230
1100
Melting Completion (Liquidus), °C 1180
1470
Melting Onset (Solidus), °C 1120
1420
Specific Heat Capacity, J/kg-K 400
480
Thermal Conductivity, W/m-K 34
14
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.5
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 6.6
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 36
24
Density, g/cm3 8.9
7.9
Embodied Carbon, kg CO2/kg material 3.9
4.0
Embodied Energy, MJ/kg 59
57
Embodied Water, L/kg 300
180

Common Calculations

Stiffness to Weight: Axial, points 8.0
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 11 to 18
27
Strength to Weight: Bending, points 12 to 17
24
Thermal Diffusivity, mm2/s 9.6
3.8
Thermal Shock Resistance, points 12 to 20
21

Alloy Composition

Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0.3 to 0.7
27 to 27.9
Copper (Cu), % 78.1 to 84.2
0
Iron (Fe), % 0.5 to 1.0
58.1 to 62.8
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0 to 1.0
0 to 1.1
Molybdenum (Mo), % 0
0.8 to 1.2
Nickel (Ni), % 15 to 18
7.0 to 8.2
Nitrogen (N), % 0
0.3 to 0.4
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.010
Tungsten (W), % 0
2.1 to 2.5
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0 to 0.2
0