C70260 Copper vs. S31730 Stainless Steel
C70260 copper belongs to the copper alloys classification, while S31730 stainless steel belongs to the iron alloys. There are 25 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 C70260 copper and the bottom bar is S31730 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 200 |
| Elongation at Break, % | 9.5 to 19 | |
| 40 |
| Poisson's Ratio | 0.34 | |
| 0.28 |
| Shear Modulus, GPa | 44 | |
| 77 |
| Shear Strength, MPa | 320 to 450 | |
| 370 |
| Tensile Strength: Ultimate (UTS), MPa | 520 to 760 | |
| 540 |
| Tensile Strength: Yield (Proof), MPa | 410 to 650 | |
| 200 |
Thermal Properties
| Latent Heat of Fusion, J/g | 220 | |
| 290 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 990 |
| Melting Completion (Liquidus), °C | 1060 | |
| 1430 |
| Melting Onset (Solidus), °C | 1040 | |
| 1390 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 470 |
| Thermal Expansion, µm/m-K | 17 | |
| 16 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 31 | |
| 24 |
| Density, g/cm3 | 8.9 | |
| 8.0 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 4.6 |
| Embodied Energy, MJ/kg | 43 | |
| 63 |
| Embodied Water, L/kg | 310 | |
| 180 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 46 to 140 | |
| 170 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 710 to 1810 | |
| 99 |
| Stiffness to Weight: Axial, points | 7.3 | |
| 14 |
| Stiffness to Weight: Bending, points | 18 | |
| 24 |
| Strength to Weight: Axial, points | 16 to 24 | |
| 19 |
| Strength to Weight: Bending, points | 16 to 21 | |
| 18 |
| Thermal Shock Resistance, points | 18 to 27 | |
| 12 |
Alloy Composition
| Carbon (C), % | 0 | |
| 0 to 0.030 |
| Chromium (Cr), % | 0 | |
| 17 to 19 |
| Copper (Cu), % | 95.8 to 98.8 | |
| 4.0 to 5.0 |
| Iron (Fe), % | 0 | |
| 52.4 to 61 |
| Manganese (Mn), % | 0 | |
| 0 to 2.0 |
| Molybdenum (Mo), % | 0 | |
| 3.0 to 4.0 |
| Nickel (Ni), % | 1.0 to 3.0 | |
| 15 to 16.5 |
| Nitrogen (N), % | 0 | |
| 0 to 0.045 |
| Phosphorus (P), % | 0 to 0.010 | |
| 0 to 0.040 |
| Silicon (Si), % | 0.2 to 0.7 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 | |
| 0 to 0.010 |
| Residuals, % | 0 to 0.5 | |
| 0 |