Harry Fittings is a prominent producer and distributor of Stainless Steel 309 Pipe Fittings in Houston, USA. Known for providing unparalleled quality and accuracy, our 309 fittings are designed to give consistent performance in high-temperature and corrosive conditions. Featuring a wide product portfolio covering elbows, tees, reducers, and caps, the fittings are specifically suitable for stringent applications like furnaces, heat exchangers, and petrochemical processing. At Harry Fittings, we emphasize offering robust, high-performance solutions supported by timely delivery and superior customer service, catering to industries worldwide with reliable and efficient piping fittings.
| 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 consist of 22–24% Chromium, 12–15% Nickel, up to 2% Manganese, 0.03% Carbon, 1% Silicon, 0.045% Phosphorus, 0.03% Sulfur, and trace amounts. This stable alloy boasts superior resistance to oxidation and heat, with a stable nature at high temperatures. Mechanical properties include tensile strength of 620 MPa, yield strength of 310 MPa, elongation of 45%, and a Brinell hardness value of 225 HB. These qualities make 309 pipe fittings suitable for operation at high temperatures in industrial processes, where maximum durability and thermal stress resistance are paramount.
| 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 |
Harry Fittings one of the largest suppliers of Stainless Steel 309 Pipe Fittings in Houston, USA. 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 USA.
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 Harry 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@harryfittings.us.
Stainless Steel 309 Pipe Fittings are widely applied to extreme temperature and corrosive conditions because of their strong mechanical properties and oxidation resistance to 1000°C. Major uses are incinerators, heat exchangers, boilers, and furnaces in power generation, petrochemical, and chemical processing industries. They are well adapted due to corrosion resistance and strength to move hot and reactive fluid. Moreover, they are applied in pulp and paper mills, food processing units, and marine applications where durability, hygiene, and resistance to rough conditions are necessary. Such fittings are also suitable for thermal cycling and stress-bearing systems.
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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