AISI 440A Stainless Steel vs. EN 1.4530 Stainless Steel
Both AISI 440A stainless steel and EN 1.4530 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 22 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 AISI 440A stainless steel and the bottom bar is EN 1.4530 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 200 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 77 | |
| 76 |
| Tensile Strength: Ultimate (UTS), MPa | 730 to 1790 | |
| 1030 to 1370 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 270 |
| Maximum Temperature: Corrosion, °C | 400 | |
| 450 |
| Maximum Temperature: Mechanical, °C | 760 | |
| 790 |
| Melting Completion (Liquidus), °C | 1480 | |
| 1460 |
| Melting Onset (Solidus), °C | 1370 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 |
| Thermal Expansion, µm/m-K | 10 | |
| 11 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.0 | |
| 15 |
| Density, g/cm3 | 7.7 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 2.2 | |
| 3.4 |
| Embodied Energy, MJ/kg | 31 | |
| 46 |
| Embodied Water, L/kg | 120 | |
| 130 |
Common Calculations
| PREN (Pitting Resistance) | 18 | |
| 19 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 26 to 65 | |
| 36 to 48 |
| Strength to Weight: Bending, points | 23 to 43 | |
| 29 to 35 |
| Thermal Shock Resistance, points | 26 to 65 | |
| 35 to 47 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 0.6 to 0.8 |
| Carbon (C), % | 0.6 to 0.75 | |
| 0 to 0.015 |
| Chromium (Cr), % | 16 to 18 | |
| 11.5 to 12.5 |
| Iron (Fe), % | 78.4 to 83.4 | |
| 74.4 to 77.3 |
| Manganese (Mn), % | 0 to 1.0 | |
| 0 to 0.1 |
| Molybdenum (Mo), % | 0 to 0.75 | |
| 1.9 to 2.2 |
| Nickel (Ni), % | 0 | |
| 8.5 to 9.5 |
| Nitrogen (N), % | 0 | |
| 0 to 0.010 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.010 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 to 0.1 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.0050 |
| Titanium (Ti), % | 0 | |
| 0.28 to 0.37 |