Njabulo Stainless is a reputable manufacturer and supplier of Stainless Steel 309H Pipes, proudly based in Cape Town, South Africa. The company focuses on crafting top-notch austenitic stainless steel pipes that are specifically designed to handle extreme high-temperature applications. What sets Stainless Steel 309H Pipes apart is their higher carbon content compared to standard 309, which boosts their tensile strength, creep resistance, and thermal stability. With state-of-the-art manufacturing facilities and rigorous quality control measures, Njabulo Stainless caters to various industries, including power generation, chemical processing, petrochemical, furnace engineering, and aerospace, providing robust and dependable piping solutions that excel in high-temperature and corrosive environments.
These pipes are primarily made up of iron, chromium (23–25%), nickel (12–15%), along with trace amounts of manganese, silicon, and carbon (0.08–0.25%). The increased carbon content not only enhances tensile strength but also improves creep resistance at elevated temperatures, all while ensuring excellent oxidation and corrosion resistance. With a tensile strength ranging from approximately 520–750 MPa and a yield strength of about 215–310 MPa, these pipes also boast good elongation and toughness. They maintain outstanding thermal stability, oxidation resistance, and mechanical integrity even under prolonged high-temperature conditions.
| Thickness | 0.5mm-100mm | ||||||
| Outer diameter | 10mm, 25.4mm, 38.1mm, 50.8mm, 100mm, 250mm, 300mm, 350mm, etc | ||||||
| Length | 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc | ||||||
| Surface | 2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, checkered, embossed, hair line, sand blast, Brush, etching, etc | ||||||
| Finish | Hot rolled (HR), Cold rolled Tube (CR), 2B, 2D, BA NO(8), SATIN (Met with Plastic Coated) | ||||||
| Form | Round tube Square tube Rectangular tube etc. | ||||||
Grade | Ni | Mn | P | C | S | Si | Cr | Mo | N | |
309H | min. | 8.0 | – | – | – | – | – | 18.0 | – | – |
max. | 10.5 | 2.0 | 0.045 | 0.08 | 0.030 | 0.75 | 20.0 | |||
Grade | Tensile Strength (MPa) min | Elongation (% in 50mm) min | Yield Strength 0.2% Proof (MPa) min | Hardness | |
Rockwell B (HR B) max | Brinell (HB) max | ||||
309H | 515 | 40 | 205 | 92 | 201 |
Contact us to get a quick quote for your requirement.
high-quality Stainless Steel 309H Pipes We tested to make sure durability and strength. Their pipes undergo high-quality tests; mechanical analysis is done and chemicals are checked and tested in full compliance with industries. The respective certificates of conformity are issued against every product for full compliance with reliability criteria for its quality and performance.
Stainless 309H Square Pipes are square-shaped pipes made from 309H stainless steel, offering high-temperature resistance, durability, and corrosion resistance, ideal for structural and high-heat applications.
SS 309H Seamless Pipes are pipes made from 309H stainless steel without welded seams, providing superior strength, high-temperature resistance, and excellent durability for demanding industrial and high-heat applications.
Stainless Steel 309H ERW Pipes are electric resistance welded pipes made from 309H stainless steel, known for high-temperature resistance and durability, used in various industrial and heat-intensive applications.
SS 309H LSAW Pipes are longitudinally submerged arc welded pipes made from 309H stainless steel, offering high heat resistance and strength, suitable for high-pressure and high-temperature industrial applications.
Stainless Steel 309H Round Pipes are cylindrical pipes made from 309H stainless steel, providing excellent heat resistance, durability, and corrosion resistance, ideal for high-temperature and industrial applications.
Stainless Steel 309H Welded Pipes are made from 309H stainless steel, joined by welding. They offer high-temperature resistance, durability, and strength, suitable for various industrial and high-heat applications.
Stainless Steel 309H Pipes are extensively utilized in industries that demand high-temperature corrosion resistance and mechanical strength. They are perfect for furnace components, heat exchangers, boiler tubes, kiln linings, and high-temperature process piping. In chemical and petrochemical plants, these pipes are essential for systems that come into contact with hot corrosive fluids and gases. Moreover, they are also used in power generation, aerospace, and industrial equipment that operate under extreme thermal conditions. Thanks to their durability, creep resistance, and oxidation protection, 309H pipes are the go-to choice for high-performance, high-temperature industrial applications.
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