For businesses in Cairo and beyond that operate where the heat is relentless, Khaled Stainless has become a trusted partner. Based in the industrial heart of Egypt’s capital, we specialize in supplying high-performance materials built to endure. Our Stainless Steel 309 tubing is a prime example, offering a robust solution for projects facing extreme temperatures and corrosive environments, ensuring longevity and reliability where it matters most.
What sets this material apart is its sophisticated composition, rich in chromium and nickel, with a deliberate addition of silicon. This specific recipe grants it exceptional resistance to oxidation, allowing it to perform consistently in temperatures that would compromise other steels. The resulting mechanical properties include high tensile strength and excellent durability, meaning this tubing can handle significant stress and thermal cycling without faltering, making it a fundamentally sturdy choice.
| Specifications | ASTM A/ASME SA213 / A249 / A269 |
| Dimensions | ASTM, ASME and API |
| SS 309 Tubes Size | 10.29 OD (mm) – 762 OD (mm) |
| Thickness | 0.35 OD (mm) to 6.35 OD (mm) in thickness ranging from 0.1mm to 1.2mm. |
| Schedule | SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
| Type | Seamless / ERW / Welded / Fabricated |
| Form | Round Tubes, Custom Tubes, Square Tubes, Rectangular Tubes, “U” Shape, Hydraulic Tubes |
| Length | Single Random, Double Random & Cut Length. |
| End | Plain End, Beveled End, Treaded |
| Grade | 309 | |
|---|---|---|
| min | max | |
| C | – | 0.20 |
| Mn | – | 2 |
| Si | – | 1 |
| P | – | 0.045 |
| S | – | 0.030 |
| Cr | 18.0 | 23.0 |
| Mo | – | – |
| Ni | 8.0 | 14.0 |
| N | – | – |
| Grade | 309 | |
|---|---|---|
| Tensile Strength (MPa) min | 620 | |
| Yield Strength 0.2% Proof (MPa) min | 310 | |
| Elongation (% in 50mm) min | 45 | |
| Hardness | Rockwell B (HR B) max | 85 |
| Brinell (HB) max | 169 | |
Contact us to get a quick quote for your requirement.
We provides quality tested Stainless Steel 309 Tubing. All tubing is subjected to dimensional, mechanical and chemical analysis and tested to all industry standards for performance and durability. Compliance certificates are issued along with the products, which assures the strength and reliability of the product for multiple applications in any industry.
Stainless Steel 309 Seamless Tubing offers excellent corrosion resistance and is available in sizes ranging from 1/8″ to 12″ nominal diameter. It is ideal for high-temperature applications, with superior strength and durability. This tubing type ensures leak-free connections due to its seamless construction.
Stainless Steel 309 Welded Tubing provides good corrosion resistance and is available in sizes from 1/8″ to 24″ nominal diameter. It is produced by welding rolled strips of 309 stainless steel, making it cost-effective for various industrial applications. The welded joints are robust, ensuring long-term reliability.
Stainless Steel 309 Heat Exchanger Tube excels in high-temperature environments and comes in sizes from 1/4″ to 12″ outer diameter. Its excellent corrosion resistance makes it suitable for chemical processing and power generation industries. This tubing ensures efficient heat transfer and durability in demanding conditions.
Stainless Steel 309 Instrumentation Tubing, available in sizes from 1/8″ to 1″ nominal diameter, offers superior corrosion resistance and precision. It is ideal for use in high-pressure and high-temperature instrumentation systems. The smooth internal surface ensures accurate and reliable fluid flow.
Stainless Steel 309 Boiler Tubes provide exceptional corrosion resistance and are available in sizes from 1/4″ to 5″ outer diameter. They are designed to withstand high temperatures and pressures in boiler systems. These tubes offer longevity and efficiency in steam generation and other heat-related processes.
Stainless Steel 309 U-Tubes, with sizes ranging from 1/4″ to 3″ outer diameter, offer excellent corrosion resistance and are shaped for efficient heat exchange in compact spaces. They are widely used in heat exchangers, condensers, and economizers. Their U-shape design ensures optimal thermal performance.
Stainless Steel 309 Condenser Tube provides high corrosion resistance and is available in sizes from 1/4″ to 2″ outer diameter. It is used in condensers for efficient heat transfer in various industrial processes. This tubing type ensures durability and performance in corrosive environments.
Stainless Steel 309 Fin Tubes, available in sizes from 1/4″ to 3″ outer diameter, offer excellent corrosion resistance and enhanced heat transfer efficiency. The finned design increases the surface area, making them ideal for heat exchangers and cooling systems. These tubes provide reliable performance in high-temperature applications.
You’ll typically find Stainless Steel 309 tubing hard at work in some of the most demanding industrial settings. It’s the go-to material for critical components in high-temperature furnaces, heat exchangers, and refinery piping systems. Its ability to withstand repeated heating and cooling cycles also makes it ideal for parts in the power generation and chemical processing sectors, where failure is not an option. Essentially, it’s the backbone for equipment that must perform under fiery duress.







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