EN 1.4401 Stainless Steel vs. SAE-AISI 1008 Steel
Both EN 1.4401 stainless steel and SAE-AISI 1008 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 EN 1.4401 stainless steel and the bottom bar is SAE-AISI 1008 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 190 to 270 | |
| 93 to 100 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 14 to 40 | |
| 22 to 33 |
| Fatigue Strength, MPa | 200 to 320 | |
| 150 to 220 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 78 | |
| 73 |
| Shear Strength, MPa | 410 to 550 | |
| 220 to 230 |
| Tensile Strength: Ultimate (UTS), MPa | 600 to 900 | |
| 330 to 370 |
| Tensile Strength: Yield (Proof), MPa | 230 to 570 | |
| 190 to 310 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 950 | |
| 400 |
| Melting Completion (Liquidus), °C | 1440 | |
| 1470 |
| Melting Onset (Solidus), °C | 1400 | |
| 1430 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 15 | |
| 62 |
| Thermal Expansion, µm/m-K | 16 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.3 | |
| 6.9 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.6 | |
| 7.9 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 19 | |
| 1.8 |
| Density, g/cm3 | 7.9 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 3.8 | |
| 1.4 |
| Embodied Energy, MJ/kg | 52 | |
| 18 |
| Embodied Water, L/kg | 150 | |
| 45 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 190 | |
| 78 to 91 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 130 to 800 | |
| 92 to 260 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 21 to 32 | |
| 12 to 13 |
| Strength to Weight: Bending, points | 20 to 26 | |
| 13 to 15 |
| Thermal Diffusivity, mm2/s | 4.0 | |
| 17 |
| Thermal Shock Resistance, points | 13 to 20 | |
| 10 to 12 |
Alloy Composition
| Carbon (C), % | 0 to 0.070 | |
| 0 to 0.1 |
| Chromium (Cr), % | 16.5 to 18.5 | |
| 0 |
| Iron (Fe), % | 62.8 to 71.5 | |
| 99.31 to 99.7 |
| Manganese (Mn), % | 0 to 2.0 | |
| 0.3 to 0.5 |
| Molybdenum (Mo), % | 2.0 to 2.5 | |
| 0 |
| Nickel (Ni), % | 10 to 13 | |
| 0 |
| Nitrogen (N), % | 0 to 0.1 | |
| 0 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.050 |