S20910 Stainless Steel vs. C17500 Copper
S20910 stainless steel belongs to the iron alloys classification, while C17500 copper belongs to the copper 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 S20910 stainless steel and the bottom bar is C17500 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 120 |
| Elongation at Break, % | 14 to 39 | |
| 6.0 to 30 |
| Fatigue Strength, MPa | 310 to 460 | |
| 170 to 310 |
| Poisson's Ratio | 0.28 | |
| 0.34 |
| Shear Modulus, GPa | 79 | |
| 45 |
| Shear Strength, MPa | 500 to 570 | |
| 200 to 520 |
| Tensile Strength: Ultimate (UTS), MPa | 780 to 940 | |
| 310 to 860 |
| Tensile Strength: Yield (Proof), MPa | 430 to 810 | |
| 170 to 760 |
Thermal Properties
| Latent Heat of Fusion, J/g | 300 | |
| 220 |
| Maximum Temperature: Mechanical, °C | 1080 | |
| 220 |
| Melting Completion (Liquidus), °C | 1420 | |
| 1060 |
| Melting Onset (Solidus), °C | 1380 | |
| 1020 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 390 |
| Thermal Conductivity, W/m-K | 13 | |
| 200 |
| Thermal Expansion, µm/m-K | 16 | |
| 18 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 22 | |
| 60 |
| Density, g/cm3 | 7.8 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 4.8 | |
| 4.7 |
| Embodied Energy, MJ/kg | 68 | |
| 73 |
| Embodied Water, L/kg | 180 | |
| 320 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 120 to 260 | |
| 30 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 460 to 1640 | |
| 120 to 2390 |
| Stiffness to Weight: Axial, points | 14 | |
| 7.5 |
| Stiffness to Weight: Bending, points | 25 | |
| 18 |
| Strength to Weight: Axial, points | 28 to 33 | |
| 9.7 to 27 |
| Strength to Weight: Bending, points | 24 to 27 | |
| 11 to 23 |
| Thermal Diffusivity, mm2/s | 3.6 | |
| 59 |
| Thermal Shock Resistance, points | 17 to 21 | |
| 11 to 29 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 0 to 0.2 |
| Beryllium (Be), % | 0 | |
| 0.4 to 0.7 |
| Carbon (C), % | 0 to 0.060 | |
| 0 |
| Chromium (Cr), % | 20.5 to 23.5 | |
| 0 |
| Cobalt (Co), % | 0 | |
| 2.4 to 2.7 |
| Copper (Cu), % | 0 | |
| 95.6 to 97.2 |
| Iron (Fe), % | 52.1 to 62.1 | |
| 0 to 0.1 |
| Manganese (Mn), % | 4.0 to 6.0 | |
| 0 |
| Molybdenum (Mo), % | 1.5 to 3.0 | |
| 0 |
| Nickel (Ni), % | 11.5 to 13.5 | |
| 0 |
| Niobium (Nb), % | 0.1 to 0.3 | |
| 0 |
| Nitrogen (N), % | 0.2 to 0.4 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 |
| Silicon (Si), % | 0 to 0.75 | |
| 0 to 0.2 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Vanadium (V), % | 0.1 to 0.3 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.5 |