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S32003 Stainless Steel vs. C72200 Copper-nickel

S32003 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 (12, in this case) are not shown.

For each property being compared, the top bar is S32003 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 79
48
Tensile Strength: Ultimate (UTS), MPa 730
350 to 580

Thermal Properties

Latent Heat of Fusion, J/g 290
220
Maximum Temperature: Mechanical, °C 1010
230
Melting Completion (Liquidus), °C 1440
1180
Melting Onset (Solidus), °C 1400
1120
Specific Heat Capacity, J/kg-K 480
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 14
36
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 3.0
3.9
Embodied Energy, MJ/kg 42
59
Embodied Water, L/kg 150
300

Common Calculations

Stiffness to Weight: Axial, points 14
8.0
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 26
11 to 18
Strength to Weight: Bending, points 23
12 to 17
Thermal Diffusivity, mm2/s 4.0
9.6
Thermal Shock Resistance, points 21
12 to 20

Alloy Composition

Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 19.5 to 22.5
0.3 to 0.7
Copper (Cu), % 0
78.1 to 84.2
Iron (Fe), % 68.2 to 75.9
0.5 to 1.0
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 1.5 to 2.0
0
Nickel (Ni), % 3.0 to 4.0
15 to 18
Nitrogen (N), % 0.14 to 0.2
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.020
0
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 0.2