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C55181 Copper vs. S66286 Stainless Steel

C55181 copper belongs to the copper alloys classification, while S66286 stainless steel belongs to the iron alloys. There are 20 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 C55181 copper and the bottom bar is S66286 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 40
75
Tensile Strength: Ultimate (UTS), MPa 200
620 to 1020

Thermal Properties

Latent Heat of Fusion, J/g 190
300
Maximum Temperature: Mechanical, °C 200
920
Melting Completion (Liquidus), °C 790
1430
Melting Onset (Solidus), °C 710
1370
Specific Heat Capacity, J/kg-K 410
470
Thermal Expansion, µm/m-K 16
17

Otherwise Unclassified Properties

Base Metal Price, % relative 28
26
Density, g/cm3 8.5
7.9
Embodied Carbon, kg CO2/kg material 2.4
6.0
Embodied Energy, MJ/kg 38
87
Embodied Water, L/kg 290
170

Common Calculations

Stiffness to Weight: Axial, points 7.0
14
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 6.5
22 to 36
Strength to Weight: Bending, points 8.9
20 to 28
Thermal Shock Resistance, points 8.2
13 to 22

Alloy Composition

Aluminum (Al), % 0
0 to 0.35
Boron (B), % 0
0.0010 to 0.010
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
13.5 to 16
Copper (Cu), % 92.4 to 93
0
Iron (Fe), % 0
49.1 to 59.5
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
1.0 to 1.5
Nickel (Ni), % 0
24 to 27
Phosphorus (P), % 7.0 to 7.5
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0
1.9 to 2.4
Vanadium (V), % 0
0.1 to 0.5
Residuals, % 0 to 0.15
0