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S32760 Stainless Steel vs. C72200 Copper-nickel

S32760 stainless steel belongs to the iron alloys classification, while C72200 copper-nickel belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is S32760 stainless steel and the bottom bar is C72200 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
130
Poisson's Ratio 0.27
0.33
Shear Modulus, GPa 80
48
Tensile Strength: Ultimate (UTS), MPa 850
350 to 580

Thermal Properties

Latent Heat of Fusion, J/g 300
220
Maximum Temperature: Mechanical, °C 1100
230
Melting Completion (Liquidus), °C 1460
1180
Melting Onset (Solidus), °C 1410
1120
Specific Heat Capacity, J/kg-K 470
400
Thermal Conductivity, W/m-K 15
34
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
6.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
6.6

Otherwise Unclassified Properties

Base Metal Price, % relative 22
36
Density, g/cm3 7.9
8.9
Embodied Carbon, kg CO2/kg material 4.1
3.9
Embodied Energy, MJ/kg 57
59
Embodied Water, L/kg 180
300

Common Calculations

Stiffness to Weight: Axial, points 14
8.0
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 30
11 to 18
Strength to Weight: Bending, points 25
12 to 17
Thermal Diffusivity, mm2/s 4.0
9.6
Thermal Shock Resistance, points 23
12 to 20

Alloy Composition

Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 24 to 26
0.3 to 0.7
Copper (Cu), % 0.5 to 1.0
78.1 to 84.2
Iron (Fe), % 57.6 to 65.8
0.5 to 1.0
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 3.0 to 4.0
0
Nickel (Ni), % 6.0 to 8.0
15 to 18
Nitrogen (N), % 0.2 to 0.3
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.010
0
Tungsten (W), % 0.5 to 1.0
0
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 0.2