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ASTM A312 TP317L,Stainless Steel Welded Tube,Boiler,Superheater,Heat Exchanger
Overview
The ASTM A312 TP317L is a specification for welded stainless steel tubes specifically made from the alloy TP317L. This alloy is a low-carbon version of TP317, which contains higher levels of chromium, nickel, and molybdenum for enhanced corrosion resistance in high-temperature and acidic environments.The standard outlines the requirements for dimensions, mechanical properties, chemical composition, testing, and certification of the welded tubes. It ensures that the tubes meet certain quality standards and are suitable for various industrial applications, such as chemical processing, pharmaceuticals, pulp and paper, and food processing.
Chemical Composition of ASTM A312 TP317L
| Grade | Ni | Cr | Si | Mn | C | P | S | |
| TP317L | Min | 11.0 | 18.0 | |||||
| Max | 15.0 | 20.0 | 1.0 | 2.0 | 0.035 | 0.045 | 0.03 |
Mechanical Properies of ASTM A312 TP317L
| Grade | Tensile Str Ksi(Mpa) | Yield Str Ksi(Mpa) | Elongation(%) |
| TP317L | ≥75(515) | ≥30(205) | ≥35 |
The Application of ASTM A312 TP317L
Chemical Processing: The TP317L tubes are widely used in chemical processing plants, including petrochemical, pharmaceutical, and fertilizer industries. They can handle highly corrosive chemicals, acids, and solvents.
Oil and Gas: These tubes are utilized in offshore and onshore oil and gas exploration, production, and refining operations. They can withstand the corrosive effects of oil, gas, and brine solutions, making them suitable for pipelines, heat exchangers, and process equipment.
Power Generation: In power plants, TP317L tubes are used in boilers, superheaters, and condensers, which operate at high temperatures and pressures. They possess excellent resistance to oxidation and corrosion in steam and high-temperature water environments.
Food Processing: The TP317L tubes are employed in the food and beverage industry, particularly in applications involving acidic or low pH environments. They ensure the hygienic transfer and processing of food products without contamination.
