Lecong Stainless is a reputable manufacturer and supplier based in Da Nang, Vietnam, known for its top-notch Stainless Steel 347 Tubing. This tubing is celebrated for its outstanding corrosion resistance, impressive high-temperature performance, and remarkable durability. Stainless Steel 347 is a titanium-stabilized austenitic stainless steel, specifically engineered to fend off intergranular corrosion while maintaining its strength during welding or when exposed to high temperatures for extended periods. Adhering to international quality standards, these tubes are a go-to choice in industries where structural reliability and resistance to harsh environments are crucial. Lecong Stainless takes pride in delivering precise dimensions, exceptional finishing, and consistent quality across all its products.
The composition of Stainless Steel 347 Tubing includes iron, chromium (17–19%), nickel (9–13%), titanium for stabilization, along with manganese, silicon, and a controlled amount of carbon. The titanium content helps prevent carbide precipitation during welding, boosting corrosion resistance and prolonging the service life of the tubing. Its mechanical properties are impressive, featuring a tensile strength ranging from 515 to 750 MPa, a yield strength between 205 and 275 MPa, and excellent resistance to oxidation and creep at temperatures up to 700°C. The austenitic structure contributes to its toughness, stability, and durability, making it ideal for challenging industrial settings.
| Specifications | : | ASTM A/ASME SA249/A269/A270 |
| Dimensions | : | ASTM, ASME, and API |
| SS 304H Tubes Size | : | 1/8″NB TO 30″NB IN |
| Thickness | : | 1mm to 20mm, SCH 5/5S, 10/10S, 20/20S, 40/40S, 80/80S, 120/120S, 160/160S as per ANSI B36.19/36.10 |
| Finish | : | BA Finish inside and outside, Electropolished finish inside and outside |
| Type | : | Electropolished Pipes & Tubes |
| Form | : | Round, Square, Rectangular, Hydraulic Etc |
| Length | : | Up to 6 meters, custom cut lengths |
| Grade | C | Mn | Si | P | S | Cr | Cb | Ni | Fe |
| SS 347 | 0.08 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 – 20.00 | 10xC – 1.10 | 9.00 – 13.00 | 62.74 min |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.0 g/cm3 | 1454 °C (2650 °F) | Psi – 75000, MPa – 515 | Psi – 30000, MPa – 205 | 35 % |
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We sets high standards regarding quality for stainless steel 347 tubing through multiple testing and evaluation procedures. Inspections are extensive and include determination of chemical compositions, mechanical testing, and testing by non-destruction methods on every product. Shashank also offers full documentation in the form of Mill Test Certification.
Offering excellent corrosion resistance, Stainless Steel 347 Seamless Tubing is known for its uniformity and strength. It typically comes in sizes ranging from 6mm to 350mm in diameter and lengths of up to 6 meters. Ideal for applications requiring high pressure and corrosive resistance.
Stainless Steel 347 Welded Tubing provides superior resistance to chloride-induced stress corrosion cracking. Available in sizes from 10mm to 150mm in diameter and standard lengths of 6 meters. It is often used in industrial and chemical processing applications where weld strength is critical.
Featuring outstanding corrosion resistance, Stainless Steel 347 Heat Exchanger Tubes are used in demanding environments. Sizes typically range from 6mm to 50mm in diameter, with wall thickness varying from 1mm to 3mm. These tubes are designed for high temperature and pressure conditions.
Stainless Steel 347 Instrumentation Tubing offers excellent resistance to corrosion and is ideal for precise measurement systems. Common sizes include 1/8″ to 1/2″ in diameter and lengths up to 6 meters. It is suitable for high-pressure applications and harsh environments.
With superior resistance to both oxidation and corrosion, Stainless Steel 347 Boiler Tubes are used in high-pressure steam applications. Sizes typically range from 25mm to 100mm in diameter, with lengths of up to 6 meters. They are essential for maintaining efficiency in boiler systems.
Stainless Steel 347 U-tubes provide excellent resistance to corrosive fluids and are commonly used in heat exchangers. Standard sizes range from 10mm to 100mm in diameter with various lengths. They are designed to handle thermal expansion and contraction in dynamic environments.
Stainless Steel 347 Condenser Tubes are used in marine and power generation applications, offering exceptional resistance to seawater and acidic environments. Sizes typically range from 10mm to 50mm in diameter and lengths up to 6 meters, providing durability and efficiency.
Stainless Steel 347 Fin Tubes are designed for enhanced heat transfer and corrosion resistance in air-cooled heat exchangers. They are available in various diameters, commonly 25mm to 50mm, with fin lengths customizable to specific requirements, ensuring effective cooling in challenging environments.
Stainless Steel 347 Tubing finds extensive use in industries that demand reliable tubing solutions capable of withstanding heat and corrosive conditions. It’s commonly utilized in boilers, heat exchangers, pressure vessels, and high-temperature piping systems. In the chemical and petrochemical sectors, it’s perfect for reactor lines, process piping, and storage tanks that handle aggressive fluids. Its high strength and thermal stability also make it suitable for applications in marine, aerospace, and power generation. Furthermore, Stainless Steel 347 Tubing is employed in food processing and pharmaceutical equipment, where corrosion resistance and hygiene are paramount. Its versatility and durability make it a top choice for demanding industrial applications.
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