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S32950 Stainless Steel vs. C55282 Copper

S32950 stainless steel belongs to the iron alloys classification, while C55282 copper belongs to the copper alloys. There are 18 material properties with values for both materials. Properties with values for just one material (17, in this case) are not shown.

For each property being compared, the top bar is S32950 stainless steel and the bottom bar is C55282 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Poisson's Ratio 0.27
0.34
Shear Modulus, GPa 80
39
Tensile Strength: Ultimate (UTS), MPa 780
180

Thermal Properties

Latent Heat of Fusion, J/g 300
190
Maximum Temperature: Mechanical, °C 1100
200
Melting Completion (Liquidus), °C 1430
770
Melting Onset (Solidus), °C 1390
640
Specific Heat Capacity, J/kg-K 480
400
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Density, g/cm3 7.7
8.6
Embodied Carbon, kg CO2/kg material 3.4
7.0
Embodied Energy, MJ/kg 47
110

Common Calculations

Stiffness to Weight: Axial, points 15
6.8
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 28
5.8
Strength to Weight: Bending, points 24
8.2
Thermal Shock Resistance, points 21
7.4

Alloy Composition

Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 26 to 29
0
Copper (Cu), % 0
87.7 to 88.7
Iron (Fe), % 60.3 to 69.4
0
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 1.0 to 2.5
0
Nickel (Ni), % 3.5 to 5.2
0
Nitrogen (N), % 0.15 to 0.35
0
Phosphorus (P), % 0 to 0.035
6.5 to 7.0
Silicon (Si), % 0 to 0.6
0
Silver (Ag), % 0
4.8 to 5.2
Sulfur (S), % 0 to 0.010
0
Residuals, % 0
0 to 0.15