Niazi Stainless is a reputable manufacturer and supplier located in Manama, Bahrain, specializing in high-quality Stainless Steel 409L Tubing for various industrial uses. The company is recognized for its commitment to precision, durability, and adherence to international quality standards, providing tubing solutions that excel in corrosion resistance, weldability, and long-lasting performance. Their SS 409L Tubing is crafted using cutting-edge manufacturing techniques to guarantee consistent strength and precise dimensions. With reliable delivery, rigorous quality control, and a customer-centric approach, Niazi Stainless has built a solid reputation throughout Bahrain and the Gulf region as a trusted source for dependable stainless steel tubing products.
Stainless Steel 409L Tubing is composed of low-carbon ferritic stainless steel that contains 10.5–11.75% chromium, which enhances its weldability and corrosion resistance compared to standard 409. The lower carbon content helps reduce carbide precipitation during welding, promoting better structural stability. In terms of mechanical properties, SS 409L offers moderate tensile strength, good toughness, and outstanding resistance to high-temperature oxidation. It performs reliably under thermal cycling and maintains stable mechanical properties in mildly corrosive environments. These features make Stainless Steel 409L Tubing ideal for applications that require formability, weldability, and durability.
| Material | Grade |
|---|---|
| GRADES | TP 409L Stainless Steel Tubes / UNS S40903 / DIN 1.4512 |
| SIZE | 1/2″ NB to 24″ NB |
| STANDARDS | ASTM A213, ASTM A249, ASTM A554, ASTM A269, ASTM A270, ASTM A790, ASTM A789 |
| TYPE | Seamless Tubes, Welded Tubes, EFW Tubes, ERW Tubes, Fabricated Tubes, Cold Drawn Welded Tubes (CDW Tubes) |
| FORM | Round Tubes, Square Tubes, Rectangular Tubes, Oval Tubes, Hydraulic Tube, etc. |
| END | Plain End, Treaded, Beveled End |
| TOLERANCE on Length | Commercial Length: 6000mm +/- 30mm Fix Length: from 1200 mm up to 12000mm with a tolerance up to -0/+ 5mm |
| FINISH | Seamless, Welded, Brushed, Pickled, Solution Annealed and Pickled up to O.D. 219.1mm, Polished Grit 120 – 600, Mirror Polished |
| AISI 409L | Maximum | Minimum |
|---|---|---|
| Ni | 28.00 | 23.00 |
| C | 0.20 | – |
| Mn | 2.00 | – |
| P | 00.045 | – |
| S | 00.035 | – |
| Si | 1.00 | – |
| Cr | 23.0 | 19.0 |
| Mo | 5.00 | 4.00 |
| N | 00.25 | 00.10 |
| CU | 2.00 | 1.00 |
| Element | Grade 409L |
|---|---|
| Density | 8 |
| Melting Range | 1300 -1390 ℃ |
| Tensile Stress | 490 |
| Yield Stress (0.2%Offset) | 220 |
| Elongation | 35% minimum |
| Hardness (Brinell) | – |
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We ensures that the stainless steel 409L tubing maintains rigorous testing and certification processes to ensure excellent standards. All our products have completed extensive tests for dimensional accuracy, corrosion resistance, and mechanical properties. Certified to international quality standards, each batch is held up against stringent performance standards, ensuring reliability and durability in a wide variety of applications.
Offering excellent corrosion resistance, Stainless Steel 409L Seamless Tubing is known for its uniformity and strength. It typically comes in sizes ranging from 6mm to 350mm in diameter and lengths of up to 6 meters. Ideal for applications requiring high pressure and corrosive resistance.
Stainless Steel 409L Welded Tubing provides superior resistance to chloride-induced stress corrosion cracking. Available in sizes from 10mm to 150mm in diameter and standard lengths of 6 meters. It is often used in industrial and chemical processing applications where weld strength is critical.
Featuring outstanding corrosion resistance, Stainless Steel 409L Heat Exchanger Tubes are used in demanding environments. Sizes typically range from 6mm to 50mm in diameter, with wall thickness varying from 1mm to 3mm. These tubes are designed for high temperature and pressure conditions.
Stainless Steel 409L Instrumentation Tubing offers excellent resistance to corrosion and is ideal for precise measurement systems. Common sizes include 1/8″ to 1/2″ in diameter and lengths up to 6 meters. It is suitable for high-pressure applications and harsh environments.
With superior resistance to both oxidation and corrosion, Stainless Steel 409L Boiler Tubes are used in high-pressure steam applications. Sizes typically range from 25mm to 100mm in diameter, with lengths of up to 6 meters. They are essential for maintaining efficiency in boiler systems.
Stainless Steel 409L U-tubes provide excellent resistance to corrosive fluids and are commonly used in heat exchangers. Standard sizes range from 10mm to 100mm in diameter with various lengths. They are designed to handle thermal expansion and contraction in dynamic environments.
Stainless Steel 409L Condenser Tubes are used in marine and power generation applications, offering exceptional resistance to seawater and acidic environments. Sizes typically range from 10mm to 50mm in diameter and lengths up to 6 meters, providing durability and efficiency.
Stainless Steel 409L Fin Tubes are designed for enhanced heat transfer and corrosion resistance in air-cooled heat exchangers. They are available in various diameters, commonly 25mm to 50mm, with fin lengths customizable to specific requirements, ensuring effective cooling in challenging environments.
This tubing is widely utilized in industries that need corrosion-resistant, heat-resistant, and easily weldable solutions. It’s commonly found in automotive exhaust systems, catalytic converters, and mufflers due to its excellent resistance to high-temperature oxidation. Additionally, the tubing is used in heat exchangers, furnace components, and industrial ducting that experience fluctuating temperatures. Furthermore, SS 409L Tubing is suitable for petrochemical plants, food processing equipment, and fluid-handling systems where moderate corrosion resistance is sufficient.
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