ASTM A182 F317L Forged Socket Weld Fittings are high-quality components used in various piping systems, particularly in applications requiring resistance to corrosion and high-temperature environments. These fittings are constructed from stainless steel grade F317L, which is a low-carbon variant of the more common F317 stainless steel. The low carbon content in F317L helps to minimize the risk of sensitization and intergranular corrosion, making it suitable for use in environments where carbide precipitation could be an issue.
These fittings conform to the ASTM A182 standard and are manufactured through a forging process, ensuring their strength and durability. They come in a range of sizes, typically from 1/8" to 4" for Socket Weld connections, and are available in various pressure ratings, including Class 2000, 3000, and 6000. This variety allows them to be used in a wide range of applications across different industries. ASTM A182 F317L Forged Socket Weld Fittings are designed to withstand high pressures and temperatures, with a temperature range extending from -325°F to 1000°F (-198°C to 537°C). They are known for their excellent resistance to corrosion, particularly in environments containing acids, bases, and chloride-containing solutions. Manufacturers typically produce these fittings through a combination of annealing or solution annealing, followed by quenching and tempering if necessary, to achieve the desired mechanical properties and microstructure. The finish of the fittings is usually machined or pickled and passivated to enhance their corrosion resistance. These fittings adhere to industry standards, including ASME B16.11 for their design and dimensions and ASME B1.20.1 for NPT threads, ensuring compatibility with various piping systems and components.
Specification | ASTM A182 |
Grade | F317L |
Standard | ASTM A182 |
Size Range | 1/8" - 4" (Socket Weld) |
Pressure Ratings | Class 2000, 3000, 6000 |
Temperature Range | -325°F to 1000°F (-198°C to 537°C) |
Material | Stainless Steel (F317L) |
Manufacturing | Forged |
Heat Treatment | Annealing or Solution Annealing, followed by quenching and tempering if required |
Finish | Machined or pickled and passivated for corrosion resistance |
Compliance | ASME B16.11, ASME B1.20.1 (NPT threads) |
When selecting ASTM A182 F317L Forged Socket Weld Fittings for your specific application, it's crucial to consider factors such as size, pressure rating, and temperature requirements. Always consult with manufacturers or refer to the latest ASTM A182 standard for the most accurate and up-to-date information to ensure that these fittings meet your specific needs and industry regulations
Element | Composition (% by weight) |
Carbon (C) | ≤ 0.03 |
Silicon (Si) | ≤ 0.75 |
Manganese (Mn) | ≤ 2.00 |
Phosphorus (P) | ≤ 0.045 |
Sulfur (S) | ≤ 0.030 |
Chromium (Cr) | 18.0 - 20.0 |
Nickel (Ni) | 11.0 - 15.0 |
Molybdenum (Mo) | 3.0 - 4.0 |
Nitrogen (N) | ≤ 0.10 |
Property | Value |
Tensile Strength (ksi) | 75 |
Yield Strength (ksi) | 30 |
Elongation (%) | 40 |
Hardness (Brinell) | 217 |
Impact Strength (ft-lb) | 50 (at -325°F) |
Density (lb/in^3) | 0.287 |
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