Reputable Mumbai, India-based manufacturer and supplier Harsh Metalloys provides premium stainless steel 309S pipes made for demanding industrial uses. These pipes are made with premium raw materials and state-of-the-art technology to satisfy international quality standards and are renowned for their exceptional heat and corrosion resistance. Harsh Metalloys’ stainless steel 309S pipes are perfect for corrosive and high-temperature settings; they are frequently utilised in petrochemical, power generation, and furnace manufacturing industries. Harsh Metalloys offers trustworthy piping solutions to customers in India and abroad with a strong dedication to quality, prompt delivery, and customer satisfaction.
The mechanical properties of stainless steel 309S pipes include a tensile strength of approximately 520 MPa, a yield strength of 205 MPa, and an elongation of 40%. Stainless steel 309S pipes maintain mechanical integrity under thermal stress and cyclic heating, making them suitable for harsh environments requiring consistent strength and durability over time. The pipes are made up of roughly 22–24% chromium and 12–15% nickel, with a reduced carbon content to improve weldability and minimise carbide precipitation.
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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 are widely used in high-temperature applications and environments where oxidation and corrosion resistance are essential. Common applications include furnace components, heat exchangers, boiler tubes, and flue gas systems in thermal processing industries. In the petrochemical and power sectors, they are used for process piping, steam lines, and structural supports. SS 309S Pipes are also suitable for cryogenic applications and exhaust systems due to their thermal stability and strength. Their excellent weldability and durability under high temperatures make them a preferred choice for engineers and fabricators in industries requiring robust and long-lasting piping solutions.
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