Emilio Stainless, a prominent manufacturer and supplier located in Manila, Philippines, specializes in high-quality Stainless Steel 309S Pipes that are engineered for exceptional performance in high-temperature and corrosive settings. The 309S grade, being a low-carbon variant of 309, enhances weldability and reduces the risk of sensitization. These pipes are perfect for industrial applications that demand durability, oxidation resistance, and strength at elevated temperatures. With cutting-edge manufacturing techniques and rigorous quality control, Emilio Stainless guarantees precision, reliability, and a long lifespan. Thanks to their impressive mechanical stability, 309S pipes are a dependable choice for critical applications across diverse industries.
Stainless Steel 309S Pipes are composed of 22–24% chromium, 12–15% nickel, and a low carbon content (capped at 0.08%), which endows them with remarkable corrosion and oxidation resistance. The microstructure of this alloy ensures high strength and good ductility, even when exposed to heat. These pipes boast a tensile strength ranging from 550 to 620 MPa, a yield strength of about 250 MPa, and excellent elongation properties. They maintain their structural integrity at temperatures soaring up to 1000°C. Additionally, the 309S composition helps minimize carbide precipitation during welding, enhancing weldability and scaling resistance in high-temperature scenarios.
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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.
Stainless Steel 309S Pipes find extensive use in sectors like power generation, chemical processing, and petroleum refining. They excel in applications such as furnace components, heat exchangers, boilers, and exhaust systems, thanks to their resistance to oxidation and creep. These pipes are also well-suited for environments with high temperatures and corrosive gases. Their robust weldability and durability make them ideal for both seamless and welded piping systems. Emilio Stainless offers 309S pipes in a variety of sizes, thicknesses, and finishes, ensuring dependable, long-lasting performance for industrial and mechanical applications.
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