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Stainless Steel 314 Bar
The best high-temperature resistance capabilities of any chromium-nickel steels can be found in Stainless 314. Silicon improves oxidation and carburization resistance, but may make more brittle when subjected to lengthy temperatures of 1200° to 1500°F (649° to 816°C).
Chemical Composition
| Element | Weight % |
| C | 0.25 |
| Mn | 2.00 |
| Si | 1.5-3.0 |
| Cr | 23.0-26.0 |
| Ni | 19.0-22.0 |
| P | 0.045 |
| S | 0.03 |
Mechanical Properties
| Properties | Conditions | ||
| T (°C) | Treatment | ||
| Density (×1000 kg/m3) | 7.8 | 25 | |
| Poisson's Ratio | 0.27-0.30 | 25 | |
| Elastic Modulus (GPa) | 200 | 25 | |
| Tensile Strength (Mpa) | 515 | 25 | hot finished and annealed (wire) |
| Yield Strength (Mpa) | 205 | ||
| Elongation (%) | 40 | ||
| Reduction in Area (%) | 50 | ||
Thermal Properties
| Properties | Conditions | ||
| T (°C) | Treatment | ||
| Thermal Expansion (10-6/ºC) | 15.1 | 0-315 | |
| Thermal Conductivity (W/m-K) | 17.5 | 100 | |
| Specific Heat (J/kg-K) | 500 | 0-100 | |
Electric Properties
| Properties | Conditions | ||
| T (°C) | Treatment | ||
| Electric Resistivity (10-9W-m) | 770 | 25 | |
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The best high-temperature resistance capabilities of any chromium-nickel steels can be found in Stainless 314. Silicon improves oxidation and carburization resistance, but may make more brittle when subjected to lengthy temperatures of 1200° to 1500°F (649° to 816°C).