N08020 Stainless Steel vs. SAE-AISI 1144 Steel
Both N08020 stainless steel and SAE-AISI 1144 steel are iron alloys. They have a modest 38% of their average alloy composition in common, which, by itself, doesn't mean much. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is N08020 stainless steel and the bottom bar is SAE-AISI 1144 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 15 to 34 | |
| 11 to 17 |
| Fatigue Strength, MPa | 210 to 240 | |
| 280 to 430 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 77 | |
| 72 |
| Shear Strength, MPa | 380 to 410 | |
| 460 to 510 |
| Tensile Strength: Ultimate (UTS), MPa | 610 to 620 | |
| 750 to 840 |
| Tensile Strength: Yield (Proof), MPa | 270 to 420 | |
| 420 to 690 |
Thermal Properties
| Latent Heat of Fusion, J/g | 300 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 1100 | |
| 400 |
| Melting Completion (Liquidus), °C | 1410 | |
| 1450 |
| Melting Onset (Solidus), °C | 1360 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 460 | |
| 470 |
| Thermal Conductivity, W/m-K | 12 | |
| 51 |
| Thermal Expansion, µm/m-K | 15 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.6 | |
| 7.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 1.8 | |
| 8.2 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 38 | |
| 1.9 |
| Density, g/cm3 | 8.2 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 6.6 | |
| 1.4 |
| Embodied Energy, MJ/kg | 92 | |
| 19 |
| Embodied Water, L/kg | 220 | |
| 47 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 83 to 170 | |
| 91 to 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 180 to 440 | |
| 480 to 1290 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 21 | |
| 27 to 30 |
| Strength to Weight: Bending, points | 20 | |
| 23 to 25 |
| Thermal Diffusivity, mm2/s | 3.2 | |
| 14 |
| Thermal Shock Resistance, points | 15 | |
| 22 to 24 |
Alloy Composition
| Carbon (C), % | 0 to 0.070 | |
| 0.4 to 0.48 |
| Chromium (Cr), % | 19 to 21 | |
| 0 |
| Copper (Cu), % | 3.0 to 4.0 | |
| 0 |
| Iron (Fe), % | 29.9 to 44 | |
| 97.5 to 98 |
| Manganese (Mn), % | 0 to 2.0 | |
| 1.4 to 1.7 |
| Molybdenum (Mo), % | 2.0 to 3.0 | |
| 0 |
| Nickel (Ni), % | 32 to 38 | |
| 0 |
| Niobium (Nb), % | 0 to 1.0 | |
| 0 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 |
| Sulfur (S), % | 0 to 0.035 | |
| 0.24 to 0.33 |