SAE-AISI 1023 Steel vs. N08031 Stainless Steel
Both SAE-AISI 1023 steel and N08031 stainless steel are iron alloys. They have a modest 33% of their average alloy composition in common, which, by itself, doesn't mean much. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.
For each property being compared, the top bar is SAE-AISI 1023 steel and the bottom bar is N08031 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 210 |
| Elongation at Break, % | 17 to 29 | |
| 45 |
| Fatigue Strength, MPa | 180 to 270 | |
| 290 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 73 | |
| 81 |
| Shear Strength, MPa | 280 to 300 | |
| 510 |
| Tensile Strength: Ultimate (UTS), MPa | 430 to 480 | |
| 730 |
| Tensile Strength: Yield (Proof), MPa | 240 to 410 | |
| 310 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 310 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 1100 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1440 |
| Melting Onset (Solidus), °C | 1420 | |
| 1390 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 460 |
| Thermal Conductivity, W/m-K | 53 | |
| 12 |
| Thermal Expansion, µm/m-K | 12 | |
| 18 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.8 | |
| 39 |
| Density, g/cm3 | 7.9 | |
| 8.1 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 7.1 |
| Embodied Energy, MJ/kg | 18 | |
| 96 |
| Embodied Water, L/kg | 45 | |
| 240 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 77 to 100 | |
| 270 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 150 to 450 | |
| 230 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 15 to 17 | |
| 25 |
| Strength to Weight: Bending, points | 16 to 17 | |
| 22 |
| Thermal Diffusivity, mm2/s | 14 | |
| 3.1 |
| Thermal Shock Resistance, points | 14 to 15 | |
| 14 |
Alloy Composition
| Carbon (C), % | 0.2 to 0.25 | |
| 0 to 0.015 |
| Chromium (Cr), % | 0 | |
| 26 to 28 |
| Copper (Cu), % | 0 | |
| 1.0 to 1.4 |
| Iron (Fe), % | 99.06 to 99.5 | |
| 29 to 36.9 |
| Manganese (Mn), % | 0.3 to 0.6 | |
| 0 to 2.0 |
| Molybdenum (Mo), % | 0 | |
| 6.0 to 7.0 |
| Nickel (Ni), % | 0 | |
| 30 to 32 |
| Nitrogen (N), % | 0 | |
| 0.15 to 0.25 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.020 |
| Silicon (Si), % | 0 | |
| 0 to 0.3 |
| Sulfur (S), % | 0 to 0.050 | |
| 0 to 0.010 |