EN 1.3963 Alloy vs. AISI 440A Stainless Steel
Both EN 1.3963 alloy and AISI 440A stainless steel are iron alloys. They have 64% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.
For each property being compared, the top bar is EN 1.3963 alloy and the bottom bar is AISI 440A stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Elongation at Break, % | 29 | |
| 5.0 to 20 |
| Poisson's Ratio | 0.3 | |
| 0.28 |
| Shear Modulus, GPa | 72 | |
| 77 |
| Shear Strength, MPa | 290 | |
| 450 to 1040 |
| Tensile Strength: Ultimate (UTS), MPa | 440 | |
| 730 to 1790 |
| Tensile Strength: Yield (Proof), MPa | 310 | |
| 420 to 1650 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 280 |
| Melting Completion (Liquidus), °C | 1430 | |
| 1480 |
| Melting Onset (Solidus), °C | 1390 | |
| 1370 |
| Specific Heat Capacity, J/kg-K | 460 | |
| 480 |
| Thermal Expansion, µm/m-K | 1.6 | |
| 10 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 25 | |
| 9.0 |
| Density, g/cm3 | 8.2 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 4.8 | |
| 2.2 |
| Embodied Energy, MJ/kg | 66 | |
| 31 |
| Embodied Water, L/kg | 110 | |
| 120 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 | |
| 87 to 120 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 23 | |
| 25 |
| Strength to Weight: Axial, points | 15 | |
| 26 to 65 |
| Strength to Weight: Bending, points | 16 | |
| 23 to 43 |
| Thermal Shock Resistance, points | 110 | |
| 26 to 65 |
Alloy Composition
| Carbon (C), % | 0 to 0.050 | |
| 0.6 to 0.75 |
| Chromium (Cr), % | 0 to 0.25 | |
| 16 to 18 |
| Iron (Fe), % | 60.5 to 64.9 | |
| 78.4 to 83.4 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 0 to 1.0 | |
| 0 to 0.75 |
| Nickel (Ni), % | 35 to 37 | |
| 0 |
| Phosphorus (P), % | 0 to 0.030 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 to 1.0 |
| Sulfur (S), % | 0.1 to 0.2 | |
| 0 to 0.015 |