EN 1.4303 +AT Steel vs. EN 1.4612 +AT Steel
Both EN 1.4303 +AT steel and EN 1.4612 +AT steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have a moderately high 91% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.
For each property being compared, the top bar is EN 1.4303 +AT steel and the bottom bar is EN 1.4612 +AT steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 190 | |
| 290 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 77 | |
| 76 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 280 |
| Maximum Temperature: Corrosion, °C | 410 | |
| 450 |
| Maximum Temperature: Mechanical, °C | 940 | |
| 790 |
| Melting Completion (Liquidus), °C | 1420 | |
| 1450 |
| Melting Onset (Solidus), °C | 1380 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 480 |
| Thermal Expansion, µm/m-K | 16 | |
| 11 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 17 | |
| 16 |
| Density, g/cm3 | 7.8 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 3.2 | |
| 3.6 |
| Embodied Energy, MJ/kg | 46 | |
| 50 |
| Embodied Water, L/kg | 150 | |
| 140 |
Common Calculations
| PREN (Pitting Resistance) | 19 | |
| 19 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 230 | |
| 190 to 210 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 21 | |
| 60 to 65 |
| Strength to Weight: Bending, points | 20 | |
| 40 to 43 |
| Thermal Shock Resistance, points | 13 | |
| 58 to 63 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 1.4 to 1.8 |
| Carbon (C), % | 0 to 0.060 | |
| 0 to 0.015 |
| Chromium (Cr), % | 17 to 19 | |
| 11 to 12.5 |
| Iron (Fe), % | 64.8 to 72 | |
| 71.5 to 75.5 |
| Manganese (Mn), % | 0 to 2.0 | |
| 0 to 0.1 |
| Molybdenum (Mo), % | 0 | |
| 1.8 to 2.3 |
| Nickel (Ni), % | 11 to 13 | |
| 10.2 to 11.3 |
| Nitrogen (N), % | 0 to 0.1 | |
| 0 to 0.010 |
| Phosphorus (P), % | 0 to 0.045 | |
| 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 | |
| 0.2 to 0.5 |