Nakamura Stainless, a top-notch manufacturer and supplier based in Pulau Ujong, Singapore, is well-known for delivering high-quality stainless steel products tailored for a variety of industrial uses. Among their standout offerings, **Stainless Steel 309S Pipes** are particularly valued for their remarkable resistance to oxidation, heat, and corrosion. Crafted for optimal performance in high-temperature settings, these pipes blend durability with impressive mechanical strength. Nakamura Stainless takes pride in its precision engineering and commitment to international quality standards, making their Stainless Steel 309S Pipes a trusted option for industries that prioritize efficiency, safety, and longevity even in the harshest operating conditions.
These pipes are primarily made up of 22–24% chromium, 12–15% nickel, and a low carbon content (≤0.08%), along with small amounts of manganese, silicon, and phosphorus. The reduced carbon content helps to minimize carbide precipitation during welding, which in turn boosts their fabricability and corrosion resistance. On the mechanical side, these pipes boast a tensile strength of about 515 MPa, a yield strength of 205 MPa, and an elongation of up to 40%. Their unique composition grants them excellent oxidation resistance at temperatures reaching up to 1000°C, along with toughness, weldability, and structural stability when exposed to heat and corrosive substances over time.
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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 their place in various industries where heat and corrosion resistance is crucial. They are commonly used in furnace components, boilers, kilns, and heat exchangers, thanks to their ability to withstand high temperatures. In the petrochemical and power generation fields, they are essential for transporting hot gases, steam, and corrosive fluids. Their weldability and toughness also make them ideal for chemical processing equipment and marine applications. With their enduring strength and durability, these pipes are a reliable choice for demanding high-temperature industrial tasks.
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