Grade FDSiCr Steel vs. ASTM B817 Type II
Grade FDSiCr steel belongs to the iron alloys classification, while ASTM B817 type II belongs to the titanium alloys. There are 21 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.
For each property being compared, the top bar is grade FDSiCr steel and the bottom bar is ASTM B817 type II.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 100 |
| Poisson's Ratio | 0.29 | |
| 0.32 |
| Reduction in Area, % | 42 | |
| 4.0 to 13 |
| Shear Modulus, GPa | 80 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 1930 | |
| 900 to 960 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 410 | |
| 350 |
| Melting Completion (Liquidus), °C | 1440 | |
| 1580 |
| Melting Onset (Solidus), °C | 1400 | |
| 1530 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 550 |
| Thermal Expansion, µm/m-K | 13 | |
| 9.9 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.2 | |
| 37 |
| Density, g/cm3 | 7.7 | |
| 4.6 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 40 |
| Embodied Energy, MJ/kg | 20 | |
| 650 |
| Embodied Water, L/kg | 48 | |
| 220 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 34 |
| Strength to Weight: Axial, points | 69 | |
| 55 to 58 |
| Strength to Weight: Bending, points | 44 | |
| 45 to 47 |
| Thermal Shock Resistance, points | 58 | |
| 62 to 66 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 5.0 to 6.0 |
| Carbon (C), % | 0.5 to 0.6 | |
| 0 to 0.1 |
| Chlorine (Cl), % | 0 | |
| 0 to 0.2 |
| Chromium (Cr), % | 0.5 to 0.8 | |
| 0 |
| Copper (Cu), % | 0 to 0.12 | |
| 0.35 to 1.0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 96.5 to 97.8 | |
| 0.35 to 1.0 |
| Manganese (Mn), % | 0.5 to 0.9 | |
| 0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.040 |
| Oxygen (O), % | 0 | |
| 0 to 0.3 |
| Phosphorus (P), % | 0 to 0.030 | |
| 0 |
| Silicon (Si), % | 1.2 to 1.6 | |
| 0 to 0.1 |
| Sodium (Na), % | 0 | |
| 0 to 0.2 |
| Sulfur (S), % | 0 to 0.025 | |
| 0 |
| Tin (Sn), % | 0 | |
| 1.5 to 2.5 |
| Titanium (Ti), % | 0 | |
| 82.1 to 87.8 |
| Vanadium (V), % | 0 | |
| 5.0 to 6.0 |
| Residuals, % | 0 | |
| 0 to 0.4 |