S21800 Stainless Steel vs. C82700 Copper
S21800 stainless steel belongs to the iron alloys classification, while C82700 copper belongs to the copper alloys. There are 23 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 S21800 stainless steel and the bottom bar is C82700 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 120 |
| Elongation at Break, % | 40 | |
| 1.8 |
| Poisson's Ratio | 0.28 | |
| 0.33 |
| Shear Modulus, GPa | 75 | |
| 46 |
| Tensile Strength: Ultimate (UTS), MPa | 740 | |
| 1200 |
| Tensile Strength: Yield (Proof), MPa | 390 | |
| 1020 |
Thermal Properties
| Latent Heat of Fusion, J/g | 340 | |
| 240 |
| Maximum Temperature: Mechanical, °C | 900 | |
| 300 |
| Melting Completion (Liquidus), °C | 1360 | |
| 950 |
| Melting Onset (Solidus), °C | 1310 | |
| 860 |
| Specific Heat Capacity, J/kg-K | 500 | |
| 380 |
| Thermal Expansion, µm/m-K | 16 | |
| 17 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.5 | |
| 8.7 |
| Embodied Carbon, kg CO2/kg material | 3.1 | |
| 12 |
| Embodied Energy, MJ/kg | 45 | |
| 180 |
| Embodied Water, L/kg | 150 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 250 | |
| 21 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 390 | |
| 4260 |
| Stiffness to Weight: Axial, points | 14 | |
| 7.8 |
| Stiffness to Weight: Bending, points | 26 | |
| 19 |
| Strength to Weight: Axial, points | 27 | |
| 38 |
| Strength to Weight: Bending, points | 24 | |
| 29 |
| Thermal Shock Resistance, points | 17 | |
| 41 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 0 to 0.15 |
| Beryllium (Be), % | 0 | |
| 2.4 to 2.6 |
| Carbon (C), % | 0 to 0.1 | |
| 0 |
| Chromium (Cr), % | 16 to 18 | |
| 0 to 0.090 |
| Copper (Cu), % | 0 | |
| 94.6 to 96.7 |
| Iron (Fe), % | 59.1 to 65.4 | |
| 0 to 0.25 |
| Lead (Pb), % | 0 | |
| 0 to 0.020 |
| Manganese (Mn), % | 7.0 to 9.0 | |
| 0 |
| Nickel (Ni), % | 8.0 to 9.0 | |
| 1.0 to 1.5 |
| Nitrogen (N), % | 0.080 to 0.18 | |
| 0 |
| Phosphorus (P), % | 0 to 0.060 | |
| 0 |
| Silicon (Si), % | 3.5 to 4.5 | |
| 0 to 0.15 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Tin (Sn), % | 0 | |
| 0 to 0.1 |
| Zinc (Zn), % | 0 | |
| 0 to 0.1 |
| Residuals, % | 0 | |
| 0 to 0.5 |