C55180 Copper vs. S66286 Stainless Steel
C55180 copper belongs to the copper alloys classification, while S66286 stainless steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is C55180 copper and the bottom bar is S66286 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 190 |
| Elongation at Break, % | 20 | |
| 17 to 40 |
| Poisson's Ratio | 0.34 | |
| 0.29 |
| Shear Modulus, GPa | 41 | |
| 75 |
| Tensile Strength: Ultimate (UTS), MPa | 200 | |
| 620 to 1020 |
| Tensile Strength: Yield (Proof), MPa | 100 | |
| 280 to 670 |
Thermal Properties
| Latent Heat of Fusion, J/g | 200 | |
| 300 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 920 |
| Melting Completion (Liquidus), °C | 920 | |
| 1430 |
| Melting Onset (Solidus), °C | 710 | |
| 1370 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 470 |
| Thermal Conductivity, W/m-K | 200 | |
| 15 |
| Thermal Expansion, µm/m-K | 17 | |
| 17 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 29 | |
| 26 |
| Density, g/cm3 | 8.6 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 2.5 | |
| 6.0 |
| Embodied Energy, MJ/kg | 39 | |
| 87 |
| Embodied Water, L/kg | 290 | |
| 170 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 34 | |
| 150 to 200 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 48 | |
| 190 to 1150 |
| Stiffness to Weight: Axial, points | 7.1 | |
| 14 |
| Stiffness to Weight: Bending, points | 18 | |
| 24 |
| Strength to Weight: Axial, points | 6.4 | |
| 22 to 36 |
| Strength to Weight: Bending, points | 8.8 | |
| 20 to 28 |
| Thermal Diffusivity, mm2/s | 56 | |
| 4.0 |
| Thermal Shock Resistance, points | 7.9 | |
| 13 to 22 |
Alloy Composition
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| 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), % | 94.7 to 95.2 | |
| 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), % | 4.8 to 5.2 | |
| 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 |