Chemical Composition (%) of 317/317L Stainless Steel Plate
| Carbon | Silicon | Sulfur | Phosphorus | Chromium | Nickel | Nitrogen |
| 0.030 | 0.75 | 0.030 | 0.045 | 18.0-20.0 | 11.0-15.0 | 0.10 |
Mechanical Properties of 317/317L Stainless Steel Plate
| Yield Strengtd 0.2% Offset | Ultimate Tensile Strength | Elongation in 2 in. | Hardness |
| psi (min.) | (MPa) | psi (min.) | (MPa) |
| 30,000 | 205 | 75,000 | 515 |
Physical Properties of 317/317L Stainless Steel Plate
| Density lb/inᶟ | 0.285 |
| Density g/cmᶟ | 7.89 |
| Melting Range | 2540-2630°F/1390 – 1440 °C |
| Thermal Conductivity at 212°F (100°C) | 8.7 BTU/hr/ft²/ft/°F |
In addition, Alloy 317L offers higher creep, stress-to-rupture, and tensile strength at elevated temperatures than conventional stainless steels.
Alloy 317L is a lowcarbon corrosion resistant austenitic chromium-nickel-molybdenum stainless steel. The high levels of these elements assure the alloy has superior chloride pitting and general corrosion resistance to the conventional 304/304L and 316/316L grades.
The low carbon content of Alloy 317L enables it to be welded without intergranular corrosion resulting from chromium carbide precipitation enabling it to be used in the as-welded condition.
Alloy 317L can be easily welded and processed by standard shop fabrication practices.
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