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C72200 Copper-nickel vs. S82012 Stainless Steel

C72200 copper-nickel belongs to the copper alloys classification, while S82012 stainless steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is C72200 copper-nickel and the bottom bar is S82012 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 130
200
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 48
78
Tensile Strength: Ultimate (UTS), MPa 350 to 580
800

Thermal Properties

Latent Heat of Fusion, J/g 220
280
Maximum Temperature: Mechanical, °C 230
950
Melting Completion (Liquidus), °C 1180
1430
Melting Onset (Solidus), °C 1120
1380
Specific Heat Capacity, J/kg-K 400
480
Thermal Conductivity, W/m-K 34
15
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
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 36
11
Density, g/cm3 8.9
7.7
Embodied Carbon, kg CO2/kg material 3.9
2.4
Embodied Energy, MJ/kg 59
35
Embodied Water, L/kg 300
140

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
29
Strength to Weight: Bending, points 12 to 17
25
Thermal Diffusivity, mm2/s 9.6
3.9
Thermal Shock Resistance, points 12 to 20
23

Alloy Composition

Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0.3 to 0.7
19 to 20.5
Copper (Cu), % 78.1 to 84.2
0 to 1.0
Iron (Fe), % 0.5 to 1.0
71.3 to 77.9
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0 to 1.0
2.0 to 4.0
Molybdenum (Mo), % 0
0.1 to 0.6
Nickel (Ni), % 15 to 18
0.8 to 1.5
Nitrogen (N), % 0
0.16 to 0.26
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 0.8
Sulfur (S), % 0
0 to 0.0050
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0 to 0.2
0