C55180 Copper vs. S31100 Stainless Steel
C55180 copper belongs to the copper alloys classification, while S31100 stainless steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.
For each property being compared, the top bar is C55180 copper and the bottom bar is S31100 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 200 |
| Elongation at Break, % | 20 | |
| 4.5 |
| Poisson's Ratio | 0.34 | |
| 0.27 |
| Shear Modulus, GPa | 41 | |
| 79 |
| Tensile Strength: Ultimate (UTS), MPa | 200 | |
| 1000 |
| Tensile Strength: Yield (Proof), MPa | 100 | |
| 710 |
Thermal Properties
| Latent Heat of Fusion, J/g | 200 | |
| 300 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 1100 |
| Melting Completion (Liquidus), °C | 920 | |
| 1420 |
| Melting Onset (Solidus), °C | 710 | |
| 1380 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 480 |
| Thermal Conductivity, W/m-K | 200 | |
| 16 |
| Thermal Expansion, µm/m-K | 17 | |
| 13 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 29 | |
| 16 |
| Density, g/cm3 | 8.6 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 2.5 | |
| 3.1 |
| Embodied Energy, MJ/kg | 39 | |
| 44 |
| Embodied Water, L/kg | 290 | |
| 170 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 34 | |
| 40 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 48 | |
| 1240 |
| Stiffness to Weight: Axial, points | 7.1 | |
| 14 |
| Stiffness to Weight: Bending, points | 18 | |
| 25 |
| Strength to Weight: Axial, points | 6.4 | |
| 36 |
| Strength to Weight: Bending, points | 8.8 | |
| 29 |
| Thermal Diffusivity, mm2/s | 56 | |
| 4.2 |
| Thermal Shock Resistance, points | 7.9 | |
| 28 |
Alloy Composition
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| Carbon (C), % | 0 | |
| 0 to 0.060 |
| Chromium (Cr), % | 0 | |
| 25 to 27 |
| Copper (Cu), % | 94.7 to 95.2 | |
| 0 |
| Iron (Fe), % | 0 | |
| 63.6 to 69 |
| Manganese (Mn), % | 0 | |
| 0 to 1.0 |
| Nickel (Ni), % | 0 | |
| 6.0 to 7.0 |
| Phosphorus (P), % | 4.8 to 5.2 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Titanium (Ti), % | 0 | |
| 0 to 0.25 |
| Residuals, % | 0 to 0.15 | |
| 0 |