C70250 Copper vs. S35000 Stainless Steel
C70250 copper belongs to the copper alloys classification, while S35000 stainless steel belongs to the iron alloys. There are 24 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 C70250 copper and the bottom bar is S35000 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 200 |
| Poisson's Ratio | 0.34 | |
| 0.28 |
| Shear Modulus, GPa | 44 | |
| 78 |
| Tensile Strength: Ultimate (UTS), MPa | 520 to 740 | |
| 1300 to 1570 |
Thermal Properties
| Latent Heat of Fusion, J/g | 220 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 210 | |
| 900 |
| Melting Completion (Liquidus), °C | 1100 | |
| 1460 |
| Melting Onset (Solidus), °C | 1080 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 470 |
| Thermal Conductivity, W/m-K | 170 | |
| 16 |
| Thermal Expansion, µm/m-K | 17 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 36 to 50 | |
| 2.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 37 to 51 | |
| 2.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 31 | |
| 14 |
| Density, g/cm3 | 8.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.9 | |
| 3.2 |
| Embodied Energy, MJ/kg | 45 | |
| 44 |
| Embodied Water, L/kg | 310 | |
| 130 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.4 | |
| 14 |
| Stiffness to Weight: Bending, points | 18 | |
| 25 |
| Strength to Weight: Axial, points | 16 to 23 | |
| 46 to 56 |
| Strength to Weight: Bending, points | 16 to 21 | |
| 34 to 38 |
| Thermal Diffusivity, mm2/s | 49 | |
| 4.4 |
| Thermal Shock Resistance, points | 18 to 26 | |
| 42 to 51 |
Alloy Composition
| Carbon (C), % | 0 | |
| 0.070 to 0.11 |
| Chromium (Cr), % | 0 | |
| 16 to 17 |
| Copper (Cu), % | 92.7 to 97.5 | |
| 0 |
| Iron (Fe), % | 0 | |
| 72.7 to 76.9 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 |
| Magnesium (Mg), % | 0.050 to 0.3 | |
| 0 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0.5 to 1.3 |
| Molybdenum (Mo), % | 0 | |
| 2.5 to 3.2 |
| Nickel (Ni), % | 2.2 to 4.2 | |
| 4.0 to 5.0 |
| Nitrogen (N), % | 0 | |
| 0.070 to 0.13 |
| Phosphorus (P), % | 0 | |
| 0 to 0.040 |
| Silicon (Si), % | 0.25 to 1.2 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Zinc (Zn), % | 0 to 1.0 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 |