EN 1.4913 +A Steel vs. EN 1.4923 +A Steel
Both EN 1.4913 +A steel and EN 1.4923 +A steel are iron alloys. Both are furnished in the annealed condition. They have a very high 98% of their average alloy composition in common.
For each property being compared, the top bar is EN 1.4913 +A steel and the bottom bar is EN 1.4923 +A steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 270 | |
| 270 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 22 | |
| 21 |
| Fatigue Strength, MPa | 320 | |
| 300 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 75 | |
| 76 |
| Shear Strength, MPa | 550 | |
| 540 |
| Tensile Strength: Ultimate (UTS), MPa | 870 | |
| 870 |
| Tensile Strength: Yield (Proof), MPa | 480 | |
| 470 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 270 |
| Maximum Temperature: Corrosion, °C | 430 | |
| 380 |
| Maximum Temperature: Mechanical, °C | 700 | |
| 740 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1450 |
| Melting Onset (Solidus), °C | 1410 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 480 |
| Thermal Conductivity, W/m-K | 24 | |
| 24 |
| Thermal Expansion, µm/m-K | 11 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.9 | |
| 2.9 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.3 | |
| 3.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 9.0 | |
| 8.0 |
| Density, g/cm3 | 7.8 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.9 | |
| 2.9 |
| Embodied Energy, MJ/kg | 41 | |
| 41 |
| Embodied Water, L/kg | 97 | |
| 100 |
Common Calculations
| PREN (Pitting Resistance) | 14 | |
| 15 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 160 | |
| 150 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 600 | |
| 570 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 31 | |
| 31 |
| Strength to Weight: Bending, points | 26 | |
| 26 |
| Thermal Diffusivity, mm2/s | 6.5 | |
| 6.5 |
| Thermal Shock Resistance, points | 31 | |
| 30 |
Alloy Composition
| Aluminum (Al), % | 0 to 0.020 | |
| 0 |
| Boron (B), % | 0 to 0.0015 | |
| 0 |
| Carbon (C), % | 0.17 to 0.23 | |
| 0.18 to 0.24 |
| Chromium (Cr), % | 10 to 11.5 | |
| 11 to 12.5 |
| Iron (Fe), % | 84.5 to 88.3 | |
| 83.5 to 87.1 |
| Manganese (Mn), % | 0.4 to 0.9 | |
| 0.4 to 0.9 |
| Molybdenum (Mo), % | 0.5 to 0.8 | |
| 0.8 to 1.2 |
| Nickel (Ni), % | 0.2 to 0.6 | |
| 0.3 to 0.8 |
| Niobium (Nb), % | 0.25 to 0.55 | |
| 0 |
| Nitrogen (N), % | 0.050 to 0.1 | |
| 0 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 to 0.015 | |
| 0 to 0.015 |
| Vanadium (V), % | 0.1 to 0.3 | |
| 0.25 to 0.35 |