From the heart of Manama’s industrial landscape, Niazi Stainless has built a reputation for reliability and expertise in the metals supply sector. We take pride in presenting our Stainless Steel 309S Pipes, a product line crafted for those demanding exceptional performance in high-temperature environments. Our commitment extends beyond mere supply; we ensure each pipe meets stringent quality benchmarks, providing our clients across Bahrain and beyond with a durable and dependable solution for their most challenging industrial applications.
The strength of 309S pipes comes from a carefully balanced composition rich in chromium and nickel, which gives them outstanding resistance to oxidation and corrosion. This alloy is further stabilized to prevent harmful carbide precipitation, maintaining its integrity even after prolonged exposure to high heat. These material characteristics translate into excellent mechanical properties, including good tensile strength and admirable creep resistance, allowing these pipes to perform reliably under sustained thermal stress.
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Dimensions |
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ASTM, ASME and API |
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Standard |
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ASTM A312 / ASME SA312 |
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Size |
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1/8″NB TO 30″NB IN |
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Specialized in |
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Large Diameter Size |
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Schedule |
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SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
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Form |
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Round, Square, Rectangular, Hydraulic Etc |
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Type |
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Seamless / ERW / Welded / Fabricated / LSAW Pipes |
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Length |
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Single Random, Double Random & Cut Length. |
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End |
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Plain End, Beveled End, Threaded |
| Grade | 309S | |
|---|---|---|
| min | max | |
| C | – | 0.08 |
| Mn | – | 2.0 |
| Si | – | 0.75 |
| P | – | 0.045 |
| S | – | 0.03 |
| Cr | 16.0 | 18.0 |
| Mo | 2.0 | 3.0 |
| Ni | 10.0 | 14.0 |
| N | – | 0.10 |
| Grade | 309S | |
|---|---|---|
| Tensile Strength (MPa) min | 515 | |
| Yield Strength 0.2% Proof (MPa) min | 205 | |
| Elongation (% in 50mm) min | 40 | |
| Hardness | Rockwell B (HR B) max | 95 |
| Rockwell B (HR B) max | 217 | |
Contact us to get a quick quote for your requirement.
We makes sure that Stainless Steel 309S Pipes undergo intense testing such as mechanical, chemical, and dimensional analysis. The corrosion resistance, strength, and durability of every pipe are carefully tested. Compliance certificates are issued that verify the performance, reliability, and safety of the products according to global standards for application in various industries.
Stainless 309S square pipes are high-temperature resistant, corrosion-resistant tubes with a square cross-section. They are used in structural and industrial applications requiring durability and strength under extreme conditions.
SS 309S seamless pipes are high-temperature resistant, corrosion-resistant tubes with no weld seams. Ideal for demanding environments, they offer durability and strength in applications like aerospace, power generation, and chemical processing.
Stainless Steel 309S ERW (Electric Resistance Welded) pipes are high-temperature resistant tubes created by welding. They offer durability and corrosion resistance, suitable for structural and industrial applications under extreme conditions.
SS 309S LSAW (Longitudinal Submerged Arc Welded) pipes are high-strength tubes with excellent high-temperature and corrosion resistance, used in large-diameter applications like pipelines and heavy-duty structural projects.
Stainless Steel 309S round pipes are high-temperature resistant, corrosion-resistant tubes with a circular cross-section. They are used in various applications, including industrial, structural, and high-heat environments, offering durability and strength.
Stainless Steel 309S welded pipes are high-temperature resistant tubes created by welding stainless steel strips. They offer excellent corrosion resistance and durability, suitable for applications requiring strength and performance under extreme conditions.
You’ll typically find Stainless Steel 309S Pipes hard at work in settings where heat is a constant factor, such as within the high-temperature zones of refinery and chemical processing furnaces. They are also a common sight in heat exchanger systems and the intricate components of industrial ovens. Their ability to withstand cyclical heating and cooling makes them an ideal choice for exhaust systems and thermal processing equipment, ensuring long-lasting service where other materials might fail.
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