EN 1.4310 +AT Steel vs. EN 1.4606 +AT Steel
Both EN 1.4310 +AT steel and EN 1.4606 +AT steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 78% of their average alloy composition in common.
For each property being compared, the top bar is EN 1.4310 +AT steel and the bottom bar is EN 1.4606 +AT steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 200 | |
| 180 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 190 |
| Elongation at Break, % | 45 | |
| 39 |
| Fatigue Strength, MPa | 240 | |
| 240 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 77 | |
| 75 |
| Shear Strength, MPa | 510 | |
| 410 |
| Tensile Strength: Ultimate (UTS), MPa | 730 | |
| 600 |
| Tensile Strength: Yield (Proof), MPa | 260 | |
| 280 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 300 |
| Maximum Temperature: Corrosion, °C | 410 | |
| 770 |
| Maximum Temperature: Mechanical, °C | 910 | |
| 910 |
| Melting Completion (Liquidus), °C | 1420 | |
| 1430 |
| Melting Onset (Solidus), °C | 1380 | |
| 1380 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 |
| Thermal Conductivity, W/m-K | 15 | |
| 14 |
| Thermal Expansion, µm/m-K | 18 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.4 | |
| 1.9 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.7 | |
| 2.2 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 14 | |
| 26 |
| Density, g/cm3 | 7.8 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 2.9 | |
| 6.0 |
| Embodied Energy, MJ/kg | 42 | |
| 87 |
| Embodied Water, L/kg | 140 | |
| 170 |
Common Calculations
| PREN (Pitting Resistance) | 20 | |
| 19 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 260 | |
| 190 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 170 | |
| 200 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 26 | |
| 21 |
| Strength to Weight: Bending, points | 23 | |
| 20 |
| Thermal Diffusivity, mm2/s | 4.0 | |
| 3.7 |
| Thermal Shock Resistance, points | 15 | |
| 21 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 0 to 0.35 |
| Boron (B), % | 0 | |
| 0.0010 to 0.010 |
| Carbon (C), % | 0.050 to 0.15 | |
| 0 to 0.080 |
| Chromium (Cr), % | 16 to 19 | |
| 13 to 16 |
| Iron (Fe), % | 66.4 to 78 | |
| 49.2 to 59 |
| Manganese (Mn), % | 0 to 2.0 | |
| 1.0 to 2.0 |
| Molybdenum (Mo), % | 0 to 0.8 | |
| 1.0 to 1.5 |
| Nickel (Ni), % | 6.0 to 9.5 | |
| 24 to 27 |
| Nitrogen (N), % | 0 to 0.1 | |
| 0 |
| Phosphorus (P), % | 0 to 0.045 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 to 2.0 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.015 |
| Titanium (Ti), % | 0 | |
| 1.9 to 2.3 |
| Vanadium (V), % | 0 | |
| 0.1 to 0.5 |