EN 1.5408 Steel vs. Grade FDSiCrV Steel
Both EN 1.5408 steel and grade FDSiCrV steel are iron alloys. They have a very high 98% of their average alloy composition in common.
For each property being compared, the top bar is EN 1.5408 steel and the bottom bar is grade FDSiCrV steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 140 to 160 | |
| 630 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Reduction in Area, % | 64 to 69 | |
| 42 |
| Shear Modulus, GPa | 73 | |
| 80 |
| Tensile Strength: Ultimate (UTS), MPa | 460 to 1620 | |
| 2100 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 270 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 420 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1440 |
| Melting Onset (Solidus), °C | 1420 | |
| 1400 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 480 |
| Thermal Conductivity, W/m-K | 48 | |
| 47 |
| Thermal Expansion, µm/m-K | 13 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.1 | |
| 7.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.2 | |
| 8.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.0 | |
| 2.3 |
| Density, g/cm3 | 7.8 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 1.9 |
| Embodied Energy, MJ/kg | 19 | |
| 26 |
| Embodied Water, L/kg | 48 | |
| 50 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 16 to 57 | |
| 75 |
| Strength to Weight: Bending, points | 17 to 39 | |
| 47 |
| Thermal Diffusivity, mm2/s | 13 | |
| 13 |
| Thermal Shock Resistance, points | 13 to 48 | |
| 63 |
Alloy Composition
| Boron (B), % | 0.00080 to 0.0050 | |
| 0 |
| Carbon (C), % | 0.28 to 0.32 | |
| 0.5 to 0.7 |
| Chromium (Cr), % | 0 to 0.3 | |
| 0.5 to 1.0 |
| Copper (Cu), % | 0 to 0.25 | |
| 0 to 0.12 |
| Iron (Fe), % | 97.7 to 98.8 | |
| 96 to 97.8 |
| Manganese (Mn), % | 0.8 to 1.0 | |
| 0.4 to 0.9 |
| Molybdenum (Mo), % | 0.080 to 0.12 | |
| 0 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 to 0.030 |
| Silicon (Si), % | 0 to 0.3 | |
| 1.2 to 1.7 |
| Sulfur (S), % | 0 to 0.025 | |
| 0 to 0.025 |
| Vanadium (V), % | 0 | |
| 0.1 to 0.25 |