Njabulo Stainless stands out as a top-notch manufacturer and supplier of Stainless Steel 309H Tubing, proudly rooted in Cape Town, South Africa. The company is well-regarded for its high-performance stainless steel products, offering 309H tubing that’s specifically crafted for high-temperature applications. With a variety of sizes and wall thicknesses available, these tubes cater to the needs of industries like power generation, petrochemical processing, furnace construction, and thermal systems. Njabulo Stainless is dedicated to quality, precision, and ensuring customer satisfaction, delivering tubing solutions that adhere to international standards and can withstand demanding service conditions.
The Stainless Steel 309H Tubing is crafted from a high carbon variant of the 309 alloy, featuring around 22–24% chromium and 12–15% nickel. The elevated carbon content (up to 0.10%) enhances its high-temperature strength and creep resistance, making it perfect for elevated temperature settings. With a tensile strength of about 550 MPa, it boasts impressive resistance to oxidation and corrosion at temperatures reaching 1100°C (2012°F). Additionally, 309H tubing maintains its structural integrity during thermal cycling, making it an excellent choice for pressure-bearing applications in heat-intensive environments.
Tube Specifications: ASTM A213, A269, A249, A511, A554 / ASME SA213, SA269, SA249, SA511, SA554
Dimensions: ANSI B36.19, ANSI B36.10
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
Tube Outside Diameter: 1/8″ OD TO 2″OD 3MM OD TO 38 MM OD
Thickness Range: 1MM TO 3 MM 0.028 TO 0.156 IN, SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS
Type: Seamless / ERW / Welded / Capillary Tubes
Form: Round Tube, Square Tube, Rectangular Tube
Length: Single Random, Double Random & Required Length
End: Plain End, Beveled End, Treaded
End Protection: Plastic Caps
Finish: Annealed and Pickled, Polished, Bright Annealed, Cold Drawn
External Coating: 3LPE / 3LPP/ FBE/ DFBE/ PP
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.0 g/cm3 | 1400 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
Contact us to get a quick quote for your requirement.
We offers thorough testing and certification of stainless steel 309H tubing, ensuring high performance and reliability. Our products undergo rigorous testing, including mechanical, chemical and theoretical analysis. Each batch is certified by relevant test reports, meets industry standards and customer specifications for durability, strength and corrosion resistance.
Available in sizes ranging from 1/8″ to 12″ in outer diameter, these tubes are highly corrosion-resistant. Seamless construction ensures strength and durability under high temperatures and pressures.
These tubes, with outer diameters from 1/8″ to 24″, offer excellent corrosion resistance. Welded for precise applications, they are suitable for a variety of industrial uses
Typically sized between 1/8″ and 2″ in outer diameter, this tubing is corrosion-resistant and designed to withstand high temperatures. Ideal for efficient heat transfer in industrial systems.
Available in sizes from 1/16″ to 2″ in outer diameter, it boasts high corrosion resistance. Perfect for critical instrumentation applications requiring precision and reliability.
Ranging from 1/2″ to 5″ in outer diameter, these corrosion-resistant tubes can endure extreme temperatures. Essential for maintaining efficiency in boiler operations.
These tubes come in various sizes, typically up to 2″ in outer diameter, and offer excellent corrosion resistance. They are used in heat exchangers and condensers for efficient thermal management.
With sizes usually between 1/4″ and 2″ in outer diameter, this corrosion-resistant tubing is designed for condensing steam or other fluids. It ensures efficient thermal exchange in condensers.
Available in sizes from 1/2″ to 2″ in outer diameter, these corrosion-resistant tubes feature fins for enhanced heat transfer. Used in heat exchangers to improve efficiency and performance.
In industrial settings where reliable performance under extreme heat is crucial, Stainless Steel 309H Tubing is a go-to option. It’s commonly used in superheater and reheater tubes in power plants, furnace tubes, heat exchangers, exhaust systems, and high-temperature chemical processing equipment. Its robust resistance to oxidation, sulfidation, and thermal fatigue makes it ideal for continuous operation in challenging environments. Plus, the tubing’s weldability and durability ensure a long service life, even in tough conditions, making Stainless Steel 309H a favored choice for high-temperature tubing applications across various heavy-duty industries.
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