EN 1.4923 Stainless Steel vs. SAE-AISI 1021 Steel
Both EN 1.4923 stainless steel and SAE-AISI 1021 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 EN 1.4923 stainless steel and the bottom bar is SAE-AISI 1021 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 12 to 21 | |
| 17 to 27 |
| Fatigue Strength, MPa | 300 to 440 | |
| 190 to 300 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Reduction in Area, % | 40 to 46 | |
| 46 to 54 |
| Shear Modulus, GPa | 76 | |
| 73 |
| Shear Strength, MPa | 540 to 590 | |
| 310 to 320 |
| Tensile Strength: Ultimate (UTS), MPa | 870 to 980 | |
| 480 to 530 |
| Tensile Strength: Yield (Proof), MPa | 470 to 780 | |
| 260 to 450 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 740 | |
| 400 |
| Melting Completion (Liquidus), °C | 1450 | |
| 1460 |
| Melting Onset (Solidus), °C | 1410 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 |
| Thermal Conductivity, W/m-K | 24 | |
| 52 |
| Thermal Expansion, µm/m-K | 11 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.9 | |
| 7.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.3 | |
| 8.0 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 8.0 | |
| 1.8 |
| Density, g/cm3 | 7.8 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 2.9 | |
| 1.4 |
| Embodied Energy, MJ/kg | 41 | |
| 18 |
| Embodied Water, L/kg | 100 | |
| 46 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 150 | |
| 84 to 110 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 570 to 1580 | |
| 180 to 530 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 31 to 35 | |
| 17 to 19 |
| Strength to Weight: Bending, points | 26 to 28 | |
| 17 to 18 |
| Thermal Diffusivity, mm2/s | 6.5 | |
| 14 |
| Thermal Shock Resistance, points | 30 to 34 | |
| 15 to 17 |
Alloy Composition
| Carbon (C), % | 0.18 to 0.24 | |
| 0.18 to 0.23 |
| Chromium (Cr), % | 11 to 12.5 | |
| 0 |
| Iron (Fe), % | 83.5 to 87.1 | |
| 98.8 to 99.22 |
| Manganese (Mn), % | 0.4 to 0.9 | |
| 0.6 to 0.9 |
| Molybdenum (Mo), % | 0.8 to 1.2 | |
| 0 |
| Nickel (Ni), % | 0.3 to 0.8 | |
| 0 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.050 |
| Vanadium (V), % | 0.25 to 0.35 | |
| 0 |