AISI 440A Stainless Steel vs. EN 1.7216 Steel
Both AISI 440A stainless steel and EN 1.7216 steel are iron alloys. They have 83% of their average alloy composition in common. There are 29 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 AISI 440A stainless steel and the bottom bar is EN 1.7216 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 5.0 to 20 | |
| 12 to 23 |
| Fatigue Strength, MPa | 270 to 790 | |
| 290 to 440 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 77 | |
| 73 |
| Shear Strength, MPa | 450 to 1040 | |
| 410 to 560 |
| Tensile Strength: Ultimate (UTS), MPa | 730 to 1790 | |
| 650 to 930 |
| Tensile Strength: Yield (Proof), MPa | 420 to 1650 | |
| 400 to 690 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 760 | |
| 420 |
| Melting Completion (Liquidus), °C | 1480 | |
| 1460 |
| Melting Onset (Solidus), °C | 1370 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 |
| Thermal Conductivity, W/m-K | 23 | |
| 46 |
| Thermal Expansion, µm/m-K | 10 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.5 | |
| 7.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.9 | |
| 8.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.0 | |
| 2.4 |
| Density, g/cm3 | 7.7 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.2 | |
| 1.5 |
| Embodied Energy, MJ/kg | 31 | |
| 20 |
| Embodied Water, L/kg | 120 | |
| 50 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 87 to 120 | |
| 110 to 130 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 26 to 65 | |
| 23 to 33 |
| Strength to Weight: Bending, points | 23 to 43 | |
| 21 to 27 |
| Thermal Diffusivity, mm2/s | 6.2 | |
| 12 |
| Thermal Shock Resistance, points | 26 to 65 | |
| 19 to 27 |
Alloy Composition
| Carbon (C), % | 0.6 to 0.75 | |
| 0.27 to 0.34 |
| Chromium (Cr), % | 16 to 18 | |
| 0.8 to 1.2 |
| Iron (Fe), % | 78.4 to 83.4 | |
| 97.2 to 98.4 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0.35 to 0.6 |
| Molybdenum (Mo), % | 0 to 0.75 | |
| 0.15 to 0.3 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.035 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 0.35 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.035 |