S31730 Stainless Steel vs. C96600 Copper
S31730 stainless steel belongs to the iron alloys classification, while C96600 copper belongs to the copper alloys. They have a modest 22% of their average alloy composition in common, which, by itself, doesn't mean much. There are 24 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.
For each property being compared, the top bar is S31730 stainless steel and the bottom bar is C96600 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 140 |
| Elongation at Break, % | 40 | |
| 7.0 |
| Poisson's Ratio | 0.28 | |
| 0.33 |
| Shear Modulus, GPa | 77 | |
| 52 |
| Tensile Strength: Ultimate (UTS), MPa | 540 | |
| 760 |
| Tensile Strength: Yield (Proof), MPa | 200 | |
| 480 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 240 |
| Maximum Temperature: Mechanical, °C | 990 | |
| 280 |
| Melting Completion (Liquidus), °C | 1430 | |
| 1180 |
| Melting Onset (Solidus), °C | 1390 | |
| 1100 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 400 |
| Thermal Expansion, µm/m-K | 16 | |
| 15 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 24 | |
| 65 |
| Density, g/cm3 | 8.0 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 4.6 | |
| 7.0 |
| Embodied Energy, MJ/kg | 63 | |
| 100 |
| Embodied Water, L/kg | 180 | |
| 280 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 170 | |
| 47 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 99 | |
| 830 |
| Stiffness to Weight: Axial, points | 14 | |
| 8.7 |
| Stiffness to Weight: Bending, points | 24 | |
| 20 |
| Strength to Weight: Axial, points | 19 | |
| 24 |
| Strength to Weight: Bending, points | 18 | |
| 21 |
| Thermal Shock Resistance, points | 12 | |
| 25 |
Alloy Composition
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| Beryllium (Be), % | 0 | |
| 0.4 to 0.7 |
| Carbon (C), % | 0 to 0.030 | |
| 0 |
| Chromium (Cr), % | 17 to 19 | |
| 0 |
| Copper (Cu), % | 4.0 to 5.0 | |
| 63.5 to 69.8 |
| Iron (Fe), % | 52.4 to 61 | |
| 0.8 to 1.1 |
| Lead (Pb), % | 0 | |
| 0 to 0.010 |
| Manganese (Mn), % | 0 to 2.0 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 3.0 to 4.0 | |
| 0 |
| Nickel (Ni), % | 15 to 16.5 | |
| 29 to 33 |
| Nitrogen (N), % | 0 to 0.045 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 0.15 |
| Sulfur (S), % | 0 to 0.010 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.5 |