SAE-AISI 1548 Steel vs. EN 1.4401 Stainless Steel
Both SAE-AISI 1548 steel and EN 1.4401 stainless steel are iron alloys. They have 68% 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 1548 steel and the bottom bar is EN 1.4401 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 220 to 250 | |
| 190 to 270 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Elongation at Break, % | 11 to 16 | |
| 14 to 40 |
| Fatigue Strength, MPa | 270 to 430 | |
| 200 to 320 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 72 | |
| 78 |
| Shear Strength, MPa | 440 to 500 | |
| 410 to 550 |
| Tensile Strength: Ultimate (UTS), MPa | 730 to 830 | |
| 600 to 900 |
| Tensile Strength: Yield (Proof), MPa | 420 to 690 | |
| 230 to 570 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 290 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 950 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1440 |
| Melting Onset (Solidus), °C | 1420 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 51 | |
| 15 |
| Thermal Expansion, µm/m-K | 12 | |
| 16 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.1 | |
| 2.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.1 | |
| 2.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.8 | |
| 19 |
| Density, g/cm3 | 7.8 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 3.8 |
| Embodied Energy, MJ/kg | 19 | |
| 52 |
| Embodied Water, L/kg | 47 | |
| 150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 79 to 99 | |
| 110 to 190 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 470 to 1280 | |
| 130 to 800 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 26 to 30 | |
| 21 to 32 |
| Strength to Weight: Bending, points | 23 to 25 | |
| 20 to 26 |
| Thermal Diffusivity, mm2/s | 14 | |
| 4.0 |
| Thermal Shock Resistance, points | 23 to 27 | |
| 13 to 20 |
Alloy Composition
| Carbon (C), % | 0.44 to 0.52 | |
| 0 to 0.070 |
| Chromium (Cr), % | 0 | |
| 16.5 to 18.5 |
| Iron (Fe), % | 98 to 98.5 | |
| 62.8 to 71.5 |
| Manganese (Mn), % | 1.1 to 1.4 | |
| 0 to 2.0 |
| Molybdenum (Mo), % | 0 | |
| 2.0 to 2.5 |
| Nickel (Ni), % | 0 | |
| 10 to 13 |
| Nitrogen (N), % | 0 | |
| 0 to 0.1 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.045 |
| Silicon (Si), % | 0 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.050 | |
| 0 to 0.015 |