S20910 Stainless Steel vs. C71640 Copper-nickel
S20910 stainless steel belongs to the iron alloys classification, while C71640 copper-nickel belongs to the copper alloys. 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 S20910 stainless steel and the bottom bar is C71640 copper-nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 140 |
| Poisson's Ratio | 0.28 | |
| 0.33 |
| Shear Modulus, GPa | 79 | |
| 52 |
| Tensile Strength: Ultimate (UTS), MPa | 780 to 940 | |
| 490 to 630 |
| Tensile Strength: Yield (Proof), MPa | 430 to 810 | |
| 190 to 460 |
Thermal Properties
| Latent Heat of Fusion, J/g | 300 | |
| 240 |
| Maximum Temperature: Mechanical, °C | 1080 | |
| 260 |
| Melting Completion (Liquidus), °C | 1420 | |
| 1180 |
| Melting Onset (Solidus), °C | 1380 | |
| 1120 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 410 |
| Thermal Conductivity, W/m-K | 13 | |
| 29 |
| Thermal Expansion, µm/m-K | 16 | |
| 15 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 22 | |
| 40 |
| Density, g/cm3 | 7.8 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 4.8 | |
| 5.0 |
| Embodied Energy, MJ/kg | 68 | |
| 73 |
| Embodied Water, L/kg | 180 | |
| 280 |
Common Calculations
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 460 to 1640 | |
| 130 to 750 |
| Stiffness to Weight: Axial, points | 14 | |
| 8.7 |
| Stiffness to Weight: Bending, points | 25 | |
| 20 |
| Strength to Weight: Axial, points | 28 to 33 | |
| 15 to 20 |
| Strength to Weight: Bending, points | 24 to 27 | |
| 16 to 18 |
| Thermal Diffusivity, mm2/s | 3.6 | |
| 8.2 |
| Thermal Shock Resistance, points | 17 to 21 | |
| 16 to 21 |
Alloy Composition
| Carbon (C), % | 0 to 0.060 | |
| 0 |
| Chromium (Cr), % | 20.5 to 23.5 | |
| 0 |
| Copper (Cu), % | 0 | |
| 61.7 to 67.8 |
| Iron (Fe), % | 52.1 to 62.1 | |
| 1.7 to 2.3 |
| Lead (Pb), % | 0 | |
| 0 to 0.050 |
| Manganese (Mn), % | 4.0 to 6.0 | |
| 1.5 to 2.5 |
| Molybdenum (Mo), % | 1.5 to 3.0 | |
| 0 |
| Nickel (Ni), % | 11.5 to 13.5 | |
| 29 to 32 |
| 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 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Vanadium (V), % | 0.1 to 0.3 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 0 to 1.0 |
| Residuals, % | 0 | |
| 0 to 0.5 |