Grade FDSiCr Steel vs. EN 1.7076 Steel
Both grade FDSiCr steel and EN 1.7076 steel are iron alloys. Their average alloy composition is basically identical.
For each property being compared, the top bar is grade FDSiCr steel and the bottom bar is EN 1.7076 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 580 | |
| 140 to 170 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Reduction in Area, % | 42 | |
| 64 to 69 |
| Shear Modulus, GPa | 80 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 1930 | |
| 470 to 1700 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 410 | |
| 420 |
| Melting Completion (Liquidus), °C | 1440 | |
| 1460 |
| Melting Onset (Solidus), °C | 1400 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 |
| Thermal Conductivity, W/m-K | 48 | |
| 45 |
| Thermal Expansion, µm/m-K | 13 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.3 | |
| 7.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.5 | |
| 8.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.2 | |
| 2.3 |
| Density, g/cm3 | 7.7 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 1.4 |
| Embodied Energy, MJ/kg | 20 | |
| 19 |
| Embodied Water, L/kg | 48 | |
| 51 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 69 | |
| 17 to 60 |
| Strength to Weight: Bending, points | 44 | |
| 17 to 40 |
| Thermal Diffusivity, mm2/s | 13 | |
| 12 |
| Thermal Shock Resistance, points | 58 | |
| 14 to 50 |
Alloy Composition
| Boron (B), % | 0 | |
| 0.00080 to 0.0050 |
| Carbon (C), % | 0.5 to 0.6 | |
| 0.3 to 0.34 |
| Chromium (Cr), % | 0.5 to 0.8 | |
| 0.9 to 1.2 |
| Copper (Cu), % | 0 to 0.12 | |
| 0 to 0.25 |
| Iron (Fe), % | 96.5 to 97.8 | |
| 97 to 98.2 |
| Manganese (Mn), % | 0.5 to 0.9 | |
| 0.6 to 0.9 |
| Phosphorus (P), % | 0 to 0.030 | |
| 0 to 0.025 |
| Silicon (Si), % | 1.2 to 1.6 | |
| 0 to 0.3 |
| Sulfur (S), % | 0 to 0.025 | |
| 0 to 0.025 |