EN 1.4020 Stainless Steel vs. SAE-AISI 1090 Steel
Both EN 1.4020 stainless steel and SAE-AISI 1090 steel are iron alloys. They have 68% of their average alloy composition in common. There are 27 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 EN 1.4020 stainless steel and the bottom bar is SAE-AISI 1090 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 190 to 340 | |
| 220 to 280 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 13 to 34 | |
| 11 |
| Fatigue Strength, MPa | 340 to 540 | |
| 320 to 380 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 77 | |
| 72 |
| Shear Strength, MPa | 510 to 680 | |
| 470 to 570 |
| Tensile Strength: Ultimate (UTS), MPa | 770 to 1130 | |
| 790 to 950 |
| Tensile Strength: Yield (Proof), MPa | 430 to 950 | |
| 520 to 610 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 240 |
| Maximum Temperature: Mechanical, °C | 890 | |
| 400 |
| Melting Completion (Liquidus), °C | 1390 | |
| 1450 |
| Melting Onset (Solidus), °C | 1350 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 |
| Thermal Expansion, µm/m-K | 17 | |
| 12 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 1.8 |
| Density, g/cm3 | 7.6 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.5 | |
| 1.4 |
| Embodied Energy, MJ/kg | 37 | |
| 19 |
| Embodied Water, L/kg | 150 | |
| 46 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 140 to 220 | |
| 82 to 91 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 460 to 2290 | |
| 730 to 1000 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 28 to 41 | |
| 28 to 34 |
| Strength to Weight: Bending, points | 25 to 32 | |
| 24 to 27 |
| Thermal Shock Resistance, points | 16 to 23 | |
| 25 to 31 |
Alloy Composition
| Carbon (C), % | 0 to 0.15 | |
| 0.85 to 1.0 |
| Chromium (Cr), % | 16.5 to 19 | |
| 0 |
| Iron (Fe), % | 62.8 to 71.8 | |
| 98 to 98.6 |
| Manganese (Mn), % | 11 to 14 | |
| 0.6 to 0.9 |
| Nickel (Ni), % | 0.5 to 2.5 | |
| 0 |
| Nitrogen (N), % | 0.2 to 0.45 | |
| 0 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.050 |