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C55281 Copper vs. S41050 Stainless Steel

C55281 copper belongs to the copper alloys classification, while S41050 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 S41050 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 40
76
Tensile Strength: Ultimate (UTS), MPa 190
470

Thermal Properties

Latent Heat of Fusion, J/g 190
270
Maximum Temperature: Mechanical, °C 200
720
Melting Completion (Liquidus), °C 810
1440
Melting Onset (Solidus), °C 640
1400
Specific Heat Capacity, J/kg-K 400
480
Thermal Expansion, µm/m-K 16
10

Otherwise Unclassified Properties

Density, g/cm3 8.7
7.8
Embodied Carbon, kg CO2/kg material 7.0
1.9
Embodied Energy, MJ/kg 110
27

Common Calculations

Stiffness to Weight: Axial, points 6.9
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 6.1
17
Strength to Weight: Bending, points 8.5
17
Thermal Shock Resistance, points 7.7
17

Alloy Composition

Carbon (C), % 0
0 to 0.040
Chromium (Cr), % 0
10.5 to 12.5
Copper (Cu), % 88.5 to 89.4
0
Iron (Fe), % 0
84.2 to 88.9
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
0.6 to 1.1
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 5.8 to 6.2
0 to 0.045
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 4.8 to 5.2
0
Sulfur (S), % 0
0 to 0.030
Residuals, % 0 to 0.15
0