C82000 Copper vs. S21900 Stainless Steel
C82000 copper belongs to the copper alloys classification, while S21900 stainless steel belongs to the iron alloys. There are 28 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 C82000 copper and the bottom bar is S21900 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 200 |
| Elongation at Break, % | 8.0 to 20 | |
| 50 |
| Poisson's Ratio | 0.34 | |
| 0.28 |
| Shear Modulus, GPa | 45 | |
| 78 |
| Tensile Strength: Ultimate (UTS), MPa | 350 to 690 | |
| 710 |
| Tensile Strength: Yield (Proof), MPa | 140 to 520 | |
| 390 |
Thermal Properties
| Latent Heat of Fusion, J/g | 220 | |
| 290 |
| Maximum Temperature: Mechanical, °C | 220 | |
| 980 |
| Melting Completion (Liquidus), °C | 1090 | |
| 1400 |
| Melting Onset (Solidus), °C | 970 | |
| 1350 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 480 |
| Thermal Conductivity, W/m-K | 260 | |
| 14 |
| Thermal Expansion, µm/m-K | 17 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 45 | |
| 2.5 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 46 | |
| 2.9 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 60 | |
| 15 |
| Density, g/cm3 | 8.9 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 5.0 | |
| 3.0 |
| Embodied Energy, MJ/kg | 77 | |
| 43 |
| Embodied Water, L/kg | 320 | |
| 160 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 51 to 55 | |
| 300 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 80 to 1120 | |
| 380 |
| Stiffness to Weight: Axial, points | 7.5 | |
| 14 |
| Stiffness to Weight: Bending, points | 18 | |
| 25 |
| Strength to Weight: Axial, points | 11 to 22 | |
| 26 |
| Strength to Weight: Bending, points | 12 to 20 | |
| 23 |
| Thermal Diffusivity, mm2/s | 76 | |
| 3.8 |
| Thermal Shock Resistance, points | 12 to 24 | |
| 15 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.1 | |
| 0 |
| Beryllium (Be), % | 0.45 to 0.8 | |
| 0 |
| Carbon (C), % | 0 | |
| 0 to 0.080 |
| Chromium (Cr), % | 0 to 0.1 | |
| 19 to 21.5 |
| Cobalt (Co), % | 2.2 to 2.7 | |
| 0 |
| Copper (Cu), % | 95.2 to 97.4 | |
| 0 |
| Iron (Fe), % | 0 to 0.1 | |
| 59.4 to 67.4 |
| Lead (Pb), % | 0 to 0.020 | |
| 0 |
| Manganese (Mn), % | 0 | |
| 8.0 to 10 |
| Nickel (Ni), % | 0 to 0.2 | |
| 5.5 to 7.5 |
| Nitrogen (N), % | 0 | |
| 0.15 to 0.4 |
| Phosphorus (P), % | 0 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 to 0.15 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Tin (Sn), % | 0 to 0.1 | |
| 0 |
| Zinc (Zn), % | 0 to 0.1 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 |