Home > Stainless Steel > Stainless Steel 309S Pipes
Maria Pipes and Tubes, based in Kuala Lumpur, Malaysia, is a reputable manufacturer and supplier of high-quality stainless steel piping products. Their Stainless Steel 309S Pipes are expertly crafted for high-temperature and moderately corrosive environments, providing outstanding oxidation resistance and mechanical strength. Utilizing cutting-edge manufacturing techniques and rigorous quality controls, these pipes comply with international standards and find extensive application in industries like petrochemical, chemical processing, heat treatment, and power generation. Maria Pipes and Tubes is committed to delivering reliable, long-lasting solutions for essential piping systems.
Stainless Steel 309S Pipes consist of 22–24% chromium and 12–15% nickel, featuring a low carbon content (maximum 0.08%) to enhance weldability and reduce carbide precipitation during welding. This unique composition ensures excellent resistance to oxidation and scaling at elevated temperatures, along with impressive tensile strength of up to 620 MPa. The low carbon variant of SS 309 boosts corrosion resistance, particularly in high-temperature welded structures, making it ideal for continuous service at temperatures reaching 1000°C.
| Pipe Standard | ASTM A312 ASME SA312 / ASTM A358 ASME SA358 |
| Pipe Dimension | ANSI/ASME B36.19M, ANSI/ASME B36.10M |
| Pipe Sizes | 1 / 2″ NB – 24″ NB |
| Pipe Outside Diameter | 6.00 mm OD up to 914.4 mm OD, Sizes up to 24” NB available Ex-stock, OD Size Steel Tubes available Ex-stock |
| Steel Pipe Manufacturing Process | Seamless / Welded / ERW / Fabricated / CDW / 100% X Ray Welded |
| Stainless Steel Pipe Shapes | Hydraulic, Round, Rectangle, Square, Hex, Honed |
| Stainless Steel Pipe Schedule | SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS |
| Pipe Ends | Half Hard, Soft, Hard, Quarter Hard, Spring Hard |
| Delivery Condition | Annealed and Pickled, Polished, Bright Annealed, Cold Drawn |
| Outside Finish | 2B, No.4, No.1, No.8 Mirror Finish for Stainless Steel Pipes, Finish as per customer Requirements |
| Value Added Services | Cutting, Beveling, Polishing, Threading, Destructive, Non Destructive, Ultrasonic Testing |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
| SS 309S | <=0.080 max | <=2.00 max | <=0.75 max | <=0.040 max | <=0.015 max | 22.00-24.00 max | – | 12.00-14.00 | – |
Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
SS 309S | <=0.080 max | <=2.00 max | <=0.75 max | <=0.040 max | <=0.015 max | 22.00-24.00 max | – | 12.00-14.00 | – |
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 309S Pipes are commonly utilized in high-temperature applications, including furnace components, heat exchangers, flue gas systems, and thermal processing equipment. Their remarkable ability to withstand thermal shock and oxidation makes them perfect for petrochemical plants, industrial boilers, and incinerators. These pipes provide a cost-effective and durable solution for environments that involve heat, pressure, and corrosive elements, ensuring long-term performance and structural integrity even in the most demanding operating conditions.
Maria Pipes and Tubes, one of the largest suppliers of Stainless Steel 309S pipes in Kuala lumpur, Malaysia, offers a comprehensive range of high-quality pipes and tubes suitable for various industrial applications. Their extensive inventory and commitment to exceptional service make them a go-to choice for stainless steel products in the region.
Yes, we offer custom sizes for Stainless Steel 309S pipes to meet your specific requirements. Our team at Maria Pipes and Tubes is committed to providing tailored solutions for all your Piping & tubing needs. For more details, contact us at sales@mariapipes.com.
Stainless steel 309S pipe is widely used in various industrial applications due to its excellent corrosion resistance and durability. Typical applications include furnace components, heat exchangers, and heating devices, where high temperatures dominate. It is also used in petrochemical and chemical process plants for its corrosion resistance properties. In addition, 309S pipe is used in the power plant and food processing industry, as well as in construction applications where strength and aesthetics are important Their versatility makes them desirable in many areas where piping is required reliable and durable solution.
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