- sales@bosegapipes.co.za
- Cape Town, South Africa
Home > Stainless Steel Tubing > Stainless Steel 309H Tubing
Bosega Pipes and Tubes is a reputable manufacturer and supplier of Stainless Steel 309H Tubing based in Cape Town, South Africa. They provide top-notch tubing solutions that are specifically designed for exceptional high-temperature strength, corrosion resistance, and long-lasting durability. Stainless Steel 309H is a high-carbon austenitic stainless steel grade that’s built to endure extreme temperatures and oxidizing environments, making it perfect for applications like furnaces, heat exchangers, kilns, and chemical processing. Bosega takes pride in their precision manufacturing, ensuring smooth surfaces and consistent wall thickness, which results in tubing that meets international standards and performs reliably in power generation, petrochemical, and high-temperature industrial systems.
The composition of Stainless Steel 309H Tubing includes iron, chromium (23–25%), nickel (12–15%), and a higher carbon content (0.08–0.15%), along with trace amounts of manganese and silicon. This elevated carbon content boosts tensile and creep strength at high temperatures, while the austenitic structure offers excellent toughness, ductility, and thermal stability. Mechanically, these tubes provide high tensile and yield strength, outstanding creep resistance, and dimensional stability even when exposed to extreme temperatures and oxidizing conditions for extended periods.
| Standard | ASTM A/ASME SA213/A249/A269/A312/A358 CL. I to V |
| Dimensions | ASTM, ASME and API |
| Size | 1/8″NB TO 30″NB IN |
| 309H Pipes & Tubes | 6NB to 1200NB IN |
| 309H Tubing Range | 1/2″ OD – 12″ OD , Guage: 25 SWG – 10 SWG |
| ERW Pipes & Tubes | 1/2″ NB – 24″ NB |
| EFW Pipes & Tubes | 6″ NB – 100″ NB |
| Outer Diameter | 6.00 mm OD up to 914.4 mm OD, Sizes up to 24” NB |
| Pipes & Tubes | 1/2″ NB – 16″ NB |
| Specialized in | Large Diameter Size |
| Thickness | 0.3mm – 50 mm, SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS |
| Type | Seamless / ERW / Welded / Fabricated / CDW |
| Form | Round Pipes/Tubes, Square Pipes/Tubes, Rectangular Pipe/Tubes, Coiled Tubes, “U” Shape, Pan Cake Coils, Hydraulic Tubes |
| Length | Single Random, Double Random & Required Length |
| End | Plain End, Beveled End, Treaded |
| Element | SS 309H |
| Ni | 12.0 – 15.0 |
| C | 0.04 – 0.10 |
| Mn | 2.0 max |
| P | 0.045 max |
| S | 0.03 max |
| Si | 0.75 max |
| Cr | 22.0 – 24.0 |
| Element | SS 309H |
| Density lbm/in3 | 7890 |
| Melting Point | 1480 – 1530(°C) / 2500 – 2590 (°F) |
| Tensile Strength | 515 |
| Yield Strength (0.2%Offset) | 205 |
| Elongation | 40% |
| Elongation(Brinell) | 217 max |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Choosing Stainless Steel 309H Tubing from Bosega Pipes and Tubes ensures high quality and durability, as these pipes offer excellent corrosion resistance and strength. Our commitment to exceptional service and reliable delivery guarantees customer satisfaction across various industrial applications. Our expertise in stainless steel products ensures you receive a top-tier solution tailored to your needs.
Bosega Pipes and Tubes, one of the largest suppliers of Stainless Steel 309H Tubing in Cape Town, South Africa, 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 309H Tubing to meet your specific requirements. Our team at Bosega Pipes and Tubes is committed to providing tailored solutions for all your Piping & tubing needs. For more details, contact us at sales@bosegapipes.co.za
Stainless Steel 309H Tubing finds its place in various applications, including furnace components, heat exchangers, kilns, and petrochemical processing equipment, as well as other high-temperature industrial systems. They are particularly suited for power plants, chemical plants, and offshore applications where high-temperature strength, oxidation resistance, and durability are essential. The blend of thermal stability, corrosion resistance, and precision manufacturing guarantees long-lasting, low-maintenance, and dependable tubing solutions for even the most demanding industrial environments.
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