EN 1.4612 Stainless Steel vs. EN 1.4418 Stainless Steel
Both EN 1.4612 stainless steel and EN 1.4418 stainless steel are iron alloys. They have a moderately high 92% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is EN 1.4612 stainless steel and the bottom bar is EN 1.4418 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Elongation at Break, % | 11 | |
| 16 to 20 |
| Fatigue Strength, MPa | 860 to 950 | |
| 350 to 480 |
| Impact Strength: V-Notched Charpy, J | 11 to 22 | |
| 62 to 90 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 76 | |
| 77 |
| Shear Strength, MPa | 1010 to 1110 | |
| 530 to 620 |
| Tensile Strength: Ultimate (UTS), MPa | 1690 to 1850 | |
| 860 to 1000 |
| Tensile Strength: Yield (Proof), MPa | 1570 to 1730 | |
| 540 to 790 |
Thermal Properties
| Latent Heat of Fusion, J/g | 280 | |
| 280 |
| Maximum Temperature: Corrosion, °C | 450 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 790 | |
| 870 |
| Melting Completion (Liquidus), °C | 1450 | |
| 1450 |
| Melting Onset (Solidus), °C | 1400 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 480 |
| Thermal Expansion, µm/m-K | 11 | |
| 10 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 16 | |
| 13 |
| Density, g/cm3 | 7.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 3.6 | |
| 2.8 |
| Embodied Energy, MJ/kg | 50 | |
| 39 |
| Embodied Water, L/kg | 140 | |
| 130 |
Common Calculations
| PREN (Pitting Resistance) | 19 | |
| 20 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 190 to 210 | |
| 130 to 170 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 60 to 65 | |
| 31 to 36 |
| Strength to Weight: Bending, points | 40 to 43 | |
| 26 to 28 |
| Thermal Shock Resistance, points | 58 to 63 | |
| 31 to 36 |
Alloy Composition
| Aluminum (Al), % | 1.4 to 1.8 | |
| 0 |
| Carbon (C), % | 0 to 0.015 | |
| 0 to 0.060 |
| Chromium (Cr), % | 11 to 12.5 | |
| 15 to 17 |
| Iron (Fe), % | 71.5 to 75.5 | |
| 73.2 to 80.2 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0 to 1.5 |
| Molybdenum (Mo), % | 1.8 to 2.3 | |
| 0.8 to 1.5 |
| Nickel (Ni), % | 10.2 to 11.3 | |
| 4.0 to 6.0 |
| Nitrogen (N), % | 0 to 0.010 | |
| 0 to 0.020 |
| Phosphorus (P), % | 0 to 0.010 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 to 0.7 |
| Sulfur (S), % | 0 to 0.0050 | |
| 0 to 0.015 |
| Titanium (Ti), % | 0.2 to 0.5 | |
| 0 |