Grade FDSiCr Steel vs. C84400 Valve Metal
Grade FDSiCr steel belongs to the iron alloys classification, while C84400 valve metal belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.
For each property being compared, the top bar is grade FDSiCr steel and the bottom bar is C84400 valve metal.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 100 |
| Poisson's Ratio | 0.29 | |
| 0.34 |
| Shear Modulus, GPa | 80 | |
| 39 |
| Tensile Strength: Ultimate (UTS), MPa | 1930 | |
| 230 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 180 |
| Maximum Temperature: Mechanical, °C | 410 | |
| 160 |
| Melting Completion (Liquidus), °C | 1440 | |
| 1000 |
| Melting Onset (Solidus), °C | 1400 | |
| 840 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 370 |
| Thermal Conductivity, W/m-K | 48 | |
| 72 |
| Thermal Expansion, µm/m-K | 13 | |
| 19 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.3 | |
| 16 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.5 | |
| 17 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.2 | |
| 29 |
| Density, g/cm3 | 7.7 | |
| 8.8 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 2.8 |
| Embodied Energy, MJ/kg | 20 | |
| 46 |
| Embodied Water, L/kg | 48 | |
| 340 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 6.6 |
| Stiffness to Weight: Bending, points | 25 | |
| 18 |
| Strength to Weight: Axial, points | 69 | |
| 7.2 |
| Strength to Weight: Bending, points | 44 | |
| 9.4 |
| Thermal Diffusivity, mm2/s | 13 | |
| 22 |
| Thermal Shock Resistance, points | 58 | |
| 8.3 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 0 to 0.0050 |
| Antimony (Sb), % | 0 | |
| 0 to 0.25 |
| Carbon (C), % | 0.5 to 0.6 | |
| 0 |
| Chromium (Cr), % | 0.5 to 0.8 | |
| 0 |
| Copper (Cu), % | 0 to 0.12 | |
| 78 to 82 |
| Iron (Fe), % | 96.5 to 97.8 | |
| 0 to 0.4 |
| Lead (Pb), % | 0 | |
| 6.0 to 8.0 |
| Manganese (Mn), % | 0.5 to 0.9 | |
| 0 |
| Nickel (Ni), % | 0 | |
| 0 to 1.0 |
| Phosphorus (P), % | 0 to 0.030 | |
| 0 to 1.5 |
| Silicon (Si), % | 1.2 to 1.6 | |
| 0 to 0.0050 |
| Sulfur (S), % | 0 to 0.025 | |
| 0 to 0.080 |
| Tin (Sn), % | 0 | |
| 2.3 to 3.5 |
| Zinc (Zn), % | 0 | |
| 7.0 to 10 |
| Residuals, % | 0 | |
| 0 to 0.7 |