Njabulo Stainless is a reputable manufacturer and supplier of Stainless Steel 309S Pipes, proudly based in Cape Town, South Africa. The company focuses on crafting top-notch austenitic stainless steel pipes that excel in resisting high-temperature oxidation and corrosion. Their Stainless Steel 309S Pipes are low-carbon variants specifically designed to avoid carbide precipitation during welding, which enhances their resistance to intergranular corrosion. With state-of-the-art manufacturing facilities and rigorous quality control measures, Njabulo Stainless caters to various industries, including power generation, chemical processing, petrochemical, furnace engineering, and aerospace, delivering dependable and long-lasting piping solutions for extreme high-temperature applications.
These Stainless Steel 309S Pipes mainly consist of iron, chromium (23–25%), nickel (12–15%), along with trace amounts of manganese, silicon, and carbon (capped at 0.08%). The low carbon content not only boosts weldability but also ensures remarkable high-temperature strength and corrosion resistance. These pipes showcase a tensile strength of about 515–700 MPa, a yield strength of around 205–310 MPa, and impressive elongation and toughness. Thanks to their high chromium and nickel content, they offer outstanding oxidation resistance, thermal stability, and structural integrity even when exposed to elevated temperatures for extended periods.
|
Dimensions |
: |
ASTM, ASME and API |
|
Standard |
: |
ASTM A312 / ASME SA312 |
|
Size |
: |
1/8″NB TO 30″NB IN |
|
Specialized in |
: |
Large Diameter Size |
|
Schedule |
: |
SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
|
Form |
: |
Round, Square, Rectangular, Hydraulic Etc |
|
Type |
: |
Seamless / ERW / Welded / Fabricated / LSAW Pipes |
|
Length |
: |
Single Random, Double Random & Cut Length. |
|
End |
: |
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 industries that demand high-temperature corrosion resistance and mechanical stability. They are perfect for furnace components, heat exchangers, boiler tubes, kiln linings, and high-temperature process piping. In chemical and petrochemical plants, these pipes are utilized in systems that come into contact with hot corrosive fluids and gases. Moreover, they are essential in power generation, aerospace, and various industrial equipment that operate under extreme thermal conditions. The combination of durability, thermal stability, and corrosion resistance makes 309S pipes the go-to choice for high-performance, high-temperature applications.
©2024 Njabulo Stainless All Rights Reserved.
