Kyaw Stainless, a well-respected manufacturer and supplier located in Naypyidaw, Myanmar, focuses on delivering top-notch Stainless Steel 309S Pipes that are engineered for outstanding performance in high-temperature and corrosive settings. Crafted with precision and cutting-edge technology, these pipes adhere to international quality standards, guaranteeing durability, reliability, and impressive mechanical properties. Known for their exceptional resistance to oxidation and scaling, Kyaw Stainless 309S Pipes are perfect for high-temperature applications. The company serves various industries, including petrochemical, furnace manufacturing, power generation, and chemical processing, providing efficient and long-lasting stainless steel piping solutions.
These Stainless Steel 309S Pipes are primarily made from an austenitic chromium-nickel alloy, featuring about 23% chromium and 13% nickel, with a lower carbon content than the 309 grade to enhance weldability and reduce carbide precipitation. This unique composition offers remarkable oxidation and corrosion resistance at elevated temperatures. In terms of mechanical properties, these pipes boast high tensile and yield strength, excellent creep resistance, and good ductility, ensuring they maintain their structural integrity even under thermal stress and cyclic heating conditions.
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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.
Stainless Steel 309S Pipes are widely used in high-temperature applications due to their excellent resistance to oxidation and corrosion. They are commonly found in industries such as petrochemical, power generation, and chemical processing, where they are used in heat exchangers, boilers, furnaces, and exhaust systems. These pipes are also ideal for applications in gas turbines, industrial machinery, and food processing equipment. Their ability to withstand extreme temperatures and corrosive environments makes them essential for demanding industries that require durable and reliable piping solutions.
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.
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.
High-temperature resistant tubes created by welding. They offer durability and corrosion resistance, suitable for structural and industrial applications under extreme conditions.
High-strength tubes with excellent high-temperature and corrosion resistance, used in large-diameter applications like pipelines and heavy-duty structural projects.
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.
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.
Stainless Steel 309S Pipes find extensive use in applications that require high heat and corrosion resistance. They are particularly well-suited for furnaces, kilns, heat exchangers, and equipment in power plants. In the petrochemical and refinery sectors, they perform reliably in both oxidizing and reducing environments. Additionally, these pipes are utilized in boiler components, exhaust systems, and thermal processing units. Their outstanding weldability, formability, and resistance to scaling make them ideal for continuous service at temperatures up to 1100°C. For industrial systems that demand durability and stability in extreme conditions, Stainless Steel 309S Pipes are the go-to choice.
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