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C55281 Copper vs. S32654 Stainless Steel

C55281 copper belongs to the copper alloys classification, while S32654 stainless steel belongs to the iron 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 C55281 copper and the bottom bar is S32654 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
210
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 40
82
Tensile Strength: Ultimate (UTS), MPa 190
850

Thermal Properties

Latent Heat of Fusion, J/g 190
310
Maximum Temperature: Mechanical, °C 200
1100
Melting Completion (Liquidus), °C 810
1450
Melting Onset (Solidus), °C 640
1410
Specific Heat Capacity, J/kg-K 400
460
Thermal Expansion, µm/m-K 16
15

Otherwise Unclassified Properties

Density, g/cm3 8.7
8.0
Embodied Carbon, kg CO2/kg material 7.0
6.4
Embodied Energy, MJ/kg 110
87

Common Calculations

Stiffness to Weight: Axial, points 6.9
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 6.1
29
Strength to Weight: Bending, points 8.5
25
Thermal Shock Resistance, points 7.7
19

Alloy Composition

Carbon (C), % 0
0 to 0.020
Chromium (Cr), % 0
24 to 25
Copper (Cu), % 88.5 to 89.4
0.3 to 0.6
Iron (Fe), % 0
38.3 to 45.3
Manganese (Mn), % 0
2.0 to 4.0
Molybdenum (Mo), % 0
7.0 to 8.0
Nickel (Ni), % 0
21 to 23
Nitrogen (N), % 0
0.45 to 0.55
Phosphorus (P), % 5.8 to 6.2
0 to 0.030
Silicon (Si), % 0
0 to 0.5
Silver (Ag), % 4.8 to 5.2
0
Sulfur (S), % 0
0 to 0.0050
Residuals, % 0 to 0.15
0