SAE-AISI 1090 Steel vs. EN 1.4923 Stainless Steel
Both SAE-AISI 1090 steel and EN 1.4923 stainless steel are iron alloys. They have 86% of their average alloy composition in common. There are 31 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 SAE-AISI 1090 steel and the bottom bar is EN 1.4923 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 11 | |
| 12 to 21 |
| Fatigue Strength, MPa | 320 to 380 | |
| 300 to 440 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Reduction in Area, % | 28 to 45 | |
| 40 to 46 |
| Shear Modulus, GPa | 72 | |
| 76 |
| Shear Strength, MPa | 470 to 570 | |
| 540 to 590 |
| Tensile Strength: Ultimate (UTS), MPa | 790 to 950 | |
| 870 to 980 |
| Tensile Strength: Yield (Proof), MPa | 520 to 610 | |
| 470 to 780 |
Thermal Properties
| Latent Heat of Fusion, J/g | 240 | |
| 270 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 740 |
| Melting Completion (Liquidus), °C | 1450 | |
| 1450 |
| Melting Onset (Solidus), °C | 1410 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 480 |
| Thermal Conductivity, W/m-K | 50 | |
| 24 |
| Thermal Expansion, µm/m-K | 12 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.1 | |
| 2.9 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.2 | |
| 3.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.8 | |
| 8.0 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 2.9 |
| Embodied Energy, MJ/kg | 19 | |
| 41 |
| Embodied Water, L/kg | 46 | |
| 100 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 82 to 91 | |
| 110 to 150 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 730 to 1000 | |
| 570 to 1580 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 28 to 34 | |
| 31 to 35 |
| Strength to Weight: Bending, points | 24 to 27 | |
| 26 to 28 |
| Thermal Diffusivity, mm2/s | 13 | |
| 6.5 |
| Thermal Shock Resistance, points | 25 to 31 | |
| 30 to 34 |
Alloy Composition
| Carbon (C), % | 0.85 to 1.0 | |
| 0.18 to 0.24 |
| Chromium (Cr), % | 0 | |
| 11 to 12.5 |
| Iron (Fe), % | 98 to 98.6 | |
| 83.5 to 87.1 |
| Manganese (Mn), % | 0.6 to 0.9 | |
| 0.4 to 0.9 |
| Molybdenum (Mo), % | 0 | |
| 0.8 to 1.2 |
| Nickel (Ni), % | 0 | |
| 0.3 to 0.8 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 to 0.050 | |
| 0 to 0.015 |
| Vanadium (V), % | 0 | |
| 0.25 to 0.35 |