For companies in Bahrain and beyond looking for exceptional performance in demanding thermal environments, Niazi Stainless in Manama is your trusted partner for Stainless Steel 309H tubing. We pride ourselves on supplying high-quality tubing that stands up to intense heat, providing reliable solutions for the most challenging industrial applications right from the heart of the Gulf.
The strength of 309H tubing starts with its composition, which is rich in chromium and nickel, giving it outstanding resistance to oxidation. Its high carbon content also ensures excellent creep strength, meaning it can withstand sustained stress under extreme temperatures without deforming, which is crucial for long-term project integrity.
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.
You will typically find this specialized tubing hard at work in high-temperature industrial settings. It’s ideal for furnace parts, heat exchangers, and boiler systems in power generation and petrochemical plants. Its ability to perform reliably under severe thermal cycling makes it a go-to material for components like heat treatment baskets and radiant tubes, where failure is not an option.
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