Nguyen Fittings and Plates, located in Da Nang, Vietnam, is a reputable manufacturer and supplier of **Stainless Steel 309 Pipe Fittings** designed specifically for high-temperature applications and corrosive environments. These fittings are crafted to ensure secure, leak-proof connections, boasting excellent resistance to oxidation, impressive mechanical strength, and solid dimensional stability. With a focus on precision forming, controlled machining, and rigorous quality control, Nguyen Fittings provides products with precise tolerances, smooth internal finishes, and a long lifespan. Catering to industries such as petrochemical, chemical processing, furnace operations, power generation, marine, and heat treatment, Nguyen Fittings offers SS 309 Pipe Fittings that comply with international standards, guaranteeing reliable, safe, and efficient performance in critical piping systems.
| Specifications | : | ASTM A403 ASME SA 182 |
| Tube Size | : | 1/16”OD to 2”OD, 2mm OD to 50mm OD |
| Thread | : | NPT, BSP, BSPT, UNF, ISO, SAE etc. |
| Pressure Rating | : | 6000PSI for Stainless Steel, 300/1000/3000PSI for Brass |
Stainless Steel 309 Pipe Fittings are composed of a high-chromium, high-nickel austenitic stainless steel alloy. This unique blend gives the alloy exceptional resistance to oxidation and scaling at elevated temperatures (up to about 1035 °C) while still maintaining good mechanical properties. These fittings are known for their excellent weldability and retain their ductility and toughness even under thermal cycling, making them suitable for both welded and seamless piping systems that experience temperature variations.
| Grade | C | Mn | Si | P | S | Cr | Ni | FE |
| SS 309 | 0.20 max. | 2.00 max. | 0.75 max. | 0.045 max. | 0.03 max. | 22.0 – 24.0 | 12.0 – 15.0 | Balance |
| Grade | Density | Melting Point | Tensile Strength | Yield Strength | Elongation | Hardness (Brinell) |
| SS 309 | 7.8 g/cm3 | 1200 ℃ | 586 MPa | 310 MPa | 40 % | 202 |
Nguyen Fittings one of the largest suppliers of Stainless Steel 309 Pipe Fittings in Da Nang, Vietnam. We specialize in providing a wide range of high-quality, durable fittings for various industrial applications. Our inventory includes elbows, tees, reducers, couplings, and other essential fittings designed to offer exceptional corrosion resistance and strength. Stainless Steel 309 is known for its cost-effectiveness and excellent mechanical properties, making it ideal for industries such as construction, chemical processing, and food processing. With a commitment to customer satisfaction, timely delivery, and competitive pricing, we are the trusted choice for Stainless Steel 309 Pipe Fittings in the Vietnam.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Stainless Steel 309 Pipe Fittings from Nguyen Fittings offer exceptional corrosion resistance, especially in seawater and harsh environments. They are known for their high strength, durability, and resistance to pitting and crevice corrosion, ensuring long-lasting performance. We provide precise manufacturing, quality control, and reliable service for diverse industrial applications.
| STANDARD | UNS | WNR. | AFNOR | EN | JIS | BS | GOST |
| SS 309 | S30900 | 1.4828 | – | – | SUS 309 | – | – |
Stainless Steel 309 Pipe Fittings offer superior heat resistance, making them ideal for high-temperature applications up to 1000°C. Their excellent oxidation and corrosion resistance ensure durability in harsh environments, including those exposed to acids and high humidity. These fittings exhibit high tensile and yield strength, ensuring reliability in demanding industrial settings. Easy to fabricate and weld, they maintain structural integrity during thermal cycling. With good toughness and creep resistance, Stainless Steel 309 fittings are perfect for applications in furnaces, heat exchangers, and petrochemical industries, delivering long-lasting performance and versatility.
| All Fittings | 90°and 45° Ells and Tees | Reducers and Lap Joint Stub | Caps | 180° Returns | Angularity Tol | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nominal Pipe Plane Size (NPS) | Outside(1) Diameter at Bevel | Inside(1) Diameter at End | Wall(2) Thickness | Centre-to- End Dimension A,B,C,M | Overall Length L | Overall Length E | Centre-to- Centre Dimension O | Back-to- Face Dimension K | Alignment at Ends U | Nominal Pipe SIze | Off Angle Q | Off Angle P |
| 1/2 TO 2-1/2 | +1/16 | ±1/32 | Not less than 87-1/2% of Normal Thickness | ±1/16 | ±1/16 | ±1/8 | ±1/4 | ±1/4 | ±1/32 | 12 to 4 | 1/32 | 1/16 |
| -1/32 | 5 to 8 | 1/16 | 1/8 | |||||||||
| 3 TO 3-1/2 | ±1/16 | ±1/16 | ±1/16 | ±1/16 | ±1/8 | ±1/4 | ±1/4 | ±1/32 | 10 to 12 | 3/32 | 3/16 | |
| 4 | ±1/16 | ±1/16 | ±1/16 | ±1/16 | ±1/8 | ±1/4 | ±1/4 | ±1/32 | 14 to 16 | 3/32 | 1/4 | |
| 5 TO 8 | +1/32 | ±1/16 | ±1/16 | ±1/16 | ±1/4 | ±1/4 | ±1/4 | ±1/32 | 18 to 24 | 1/8 | 3/8 | |
| -1/16 | ||||||||||||
| 10 TO 18 | +1/16 | ±1/8 | ±3/32 | ±3/32 | ±1/4 | ±3/8 | ±1/4 | ±1/16 | All dimensions are in inches | |||
| -1/8 | ||||||||||||
| 20 TO 24 | +1/4 | ±3/32 | ±3/32 | ±3/32 | ±1/4 | ±3/8 | ±1/4 | ±1/16 | ||||
| -3/32 | ||||||||||||
Yes, custom sizes are available for Stainless Steel 309 Pipe Fittings to meet specific requirements. We offer tailored solutions to ensure precise fit and performance for various applications. For more information, please contact us at sales@nguyenfittings.com.
SS 309 Pipe Fittings find extensive use in furnace components, heat exchanger piping, chemical process equipment, boiler baffles, kiln liners, cryogenic structures, and refinery units. They are particularly well-suited for applications where thermal stress, corrosive gases, and high-temperature exposure occur simultaneously. With their combination of oxidation resistance, durability, and strength at elevated temperatures, SS 309 Pipe Fittings are a reliable choice for engineers and operators looking for long-lasting, safe, and efficient solutions in demanding industrial piping networks.
Get in touch with one of our Technical Sales Representatives to request a quote or get answers to any questions you may have.
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