Lecong Stainless, based in Da Nang, Vietnam, is a top-notch manufacturer and supplier known for its high-quality stainless steel products, particularly Stainless Steel 309 Tubing. The company has built a solid reputation for its precision engineering and strict adherence to international standards, catering to a variety of industries like chemical processing, power generation, and construction. With a strong emphasis on durability, corrosion resistance, and thermal stability, Lecong Stainless guarantees that each tubing product meets rigorous quality standards. Their dedication to advanced manufacturing techniques and ensuring customer satisfaction has established them as a reliable partner for businesses looking for dependable, high-performance stainless steel tubing solutions, both locally and globally.
Stainless Steel 309 Tubing is an austenitic stainless steel primarily made up of iron, 23–25% chromium, and 12–13% nickel, along with trace amounts of manganese, silicon, and carbon. This unique composition provides excellent oxidation resistance at high temperatures, making it perfect for environments that experience intense heat. The tubing boasts a tensile strength of about 515 MPa and a yield strength of around 310 MPa, along with impressive elongation properties. Its high hardness, corrosion resistance, and thermal stability ensure a long service life, even in extreme conditions, while maintaining structural integrity in demanding industrial applications.
| Specifications | ASTM A/ASME SA213 / A249 / A269 |
| Dimensions | ASTM, ASME and API |
| SS 309 Tubes Size | 10.29 OD (mm) – 762 OD (mm) |
| Thickness | 0.35 OD (mm) to 6.35 OD (mm) in thickness ranging from 0.1mm to 1.2mm. |
| Schedule | SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
| Type | Seamless / ERW / Welded / Fabricated |
| Form | Round Tubes, Custom Tubes, Square Tubes, Rectangular Tubes, “U” Shape, Hydraulic Tubes |
| Length | Single Random, Double Random & Cut Length. |
| End | Plain End, Beveled End, Treaded |
| Grade | 309 | |
|---|---|---|
| min | max | |
| C | – | 0.20 |
| Mn | – | 2 |
| Si | – | 1 |
| P | – | 0.045 |
| S | – | 0.030 |
| Cr | 18.0 | 23.0 |
| Mo | – | – |
| Ni | 8.0 | 14.0 |
| N | – | – |
| Grade | 309 | |
|---|---|---|
| Tensile Strength (MPa) min | 620 | |
| Yield Strength 0.2% Proof (MPa) min | 310 | |
| Elongation (% in 50mm) min | 45 | |
| Hardness | Rockwell B (HR B) max | 85 |
| Brinell (HB) max | 169 | |
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We provides quality tested Stainless Steel 309 Tubing. All tubing is subjected to dimensional, mechanical and chemical analysis and tested to all industry standards for performance and durability. Compliance certificates are issued along with the products, which assures the strength and reliability of the product for multiple applications in any industry.
Stainless Steel 309 Seamless Tubing offers excellent corrosion resistance and is available in sizes ranging from 1/8″ to 12″ nominal diameter. It is ideal for high-temperature applications, with superior strength and durability. This tubing type ensures leak-free connections due to its seamless construction.
Stainless Steel 309 Welded Tubing provides good corrosion resistance and is available in sizes from 1/8″ to 24″ nominal diameter. It is produced by welding rolled strips of 309 stainless steel, making it cost-effective for various industrial applications. The welded joints are robust, ensuring long-term reliability.
Stainless Steel 309 Heat Exchanger Tube excels in high-temperature environments and comes in sizes from 1/4″ to 12″ outer diameter. Its excellent corrosion resistance makes it suitable for chemical processing and power generation industries. This tubing ensures efficient heat transfer and durability in demanding conditions.
Stainless Steel 309 Instrumentation Tubing, available in sizes from 1/8″ to 1″ nominal diameter, offers superior corrosion resistance and precision. It is ideal for use in high-pressure and high-temperature instrumentation systems. The smooth internal surface ensures accurate and reliable fluid flow.
Stainless Steel 309 Boiler Tubes provide exceptional corrosion resistance and are available in sizes from 1/4″ to 5″ outer diameter. They are designed to withstand high temperatures and pressures in boiler systems. These tubes offer longevity and efficiency in steam generation and other heat-related processes.
Stainless Steel 309 U-Tubes, with sizes ranging from 1/4″ to 3″ outer diameter, offer excellent corrosion resistance and are shaped for efficient heat exchange in compact spaces. They are widely used in heat exchangers, condensers, and economizers. Their U-shape design ensures optimal thermal performance.
Stainless Steel 309 Condenser Tube provides high corrosion resistance and is available in sizes from 1/4″ to 2″ outer diameter. It is used in condensers for efficient heat transfer in various industrial processes. This tubing type ensures durability and performance in corrosive environments.
Stainless Steel 309 Fin Tubes, available in sizes from 1/4″ to 3″ outer diameter, offer excellent corrosion resistance and enhanced heat transfer efficiency. The finned design increases the surface area, making them ideal for heat exchangers and cooling systems. These tubes provide reliable performance in high-temperature applications.
This type of tubing is widely utilized in industries that require high-temperature resistance and corrosion protection. It’s perfect for furnace components, heat exchangers, and kiln linings in power plants and chemical processing sectors. Additionally, it’s used in automotive exhaust systems, food processing equipment, and petrochemical plants due to its ability to endure harsh chemicals and high temperatures. Moreover, it finds its place in architectural structures and industrial piping systems that require both aesthetic appeal and durability. Lecong Stainless makes sure that every tubing product meets the specific requirements of its clients.
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