EN 1.4945 +AT Steel vs. EN 1.4962 +AT Steel
Both EN 1.4945 +AT steel and EN 1.4962 +AT steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have a very high 96% of their average alloy composition in common.
For each property being compared, the top bar is EN 1.4945 +AT steel and the bottom bar is EN 1.4962 +AT steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 200 | |
| 190 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 200 |
| Elongation at Break, % | 34 | |
| 34 |
| Fatigue Strength, MPa | 230 | |
| 210 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 77 | |
| 77 |
| Shear Strength, MPa | 430 | |
| 420 |
| Tensile Strength: Ultimate (UTS), MPa | 640 | |
| 630 |
| Tensile Strength: Yield (Proof), MPa | 290 | |
| 260 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 280 |
| Maximum Temperature: Corrosion, °C | 520 | |
| 510 |
| Maximum Temperature: Mechanical, °C | 920 | |
| 910 |
| Melting Completion (Liquidus), °C | 1490 | |
| 1480 |
| Melting Onset (Solidus), °C | 1440 | |
| 1440 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 14 | |
| 14 |
| Thermal Expansion, µm/m-K | 17 | |
| 16 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.9 | |
| 2.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.2 | |
| 2.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 30 | |
| 23 |
| Density, g/cm3 | 8.1 | |
| 8.1 |
| Embodied Carbon, kg CO2/kg material | 5.0 | |
| 4.1 |
| Embodied Energy, MJ/kg | 73 | |
| 59 |
| Embodied Water, L/kg | 150 | |
| 150 |
Common Calculations
| PREN (Pitting Resistance) | 23 | |
| 21 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 180 | |
| 170 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 210 | |
| 170 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 22 | |
| 21 |
| Strength to Weight: Bending, points | 20 | |
| 20 |
| Thermal Diffusivity, mm2/s | 3.7 | |
| 3.7 |
| Thermal Shock Resistance, points | 14 | |
| 14 |
Alloy Composition
| Boron (B), % | 0 | |
| 0.0015 to 0.0060 |
| Carbon (C), % | 0.040 to 0.1 | |
| 0.070 to 0.15 |
| Chromium (Cr), % | 15.5 to 17.5 | |
| 15.5 to 17.5 |
| Iron (Fe), % | 57.9 to 65.7 | |
| 62.1 to 69 |
| Manganese (Mn), % | 0 to 1.5 | |
| 0 to 1.5 |
| Nickel (Ni), % | 15.5 to 17.5 | |
| 12.5 to 14.5 |
| Niobium (Nb), % | 0.4 to 1.2 | |
| 0 |
| Nitrogen (N), % | 0.060 to 0.14 | |
| 0 |
| Phosphorus (P), % | 0 to 0.035 | |
| 0 to 0.035 |
| Silicon (Si), % | 0.3 to 0.6 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.015 |
| Titanium (Ti), % | 0 | |
| 0.4 to 0.7 |
| Tungsten (W), % | 2.5 to 3.5 | |
| 2.5 to 3.0 |