Ranya Stainless, based in Muscat, Oman, is a trusted manufacturer and supplier of high-quality Stainless Steel 409L Tubing, designed for industrial and automotive applications. Known for durability, corrosion resistance, and precision, the company produces tubing that offers excellent thermal stability, wear resistance, and long-lasting performance. Manufactured using advanced techniques, Stainless Steel 409L Tubing ensures dimensional accuracy, smooth surfaces, and consistent reliability under demanding conditions. Serving industries such as automotive, exhaust systems, and industrial machinery, Ranya Stainless provides robust tubing solutions that meet international standards, making them a preferred choice for clients seeking high-performance, low-carbon ferritic stainless steel tubing.
Stainless Steel 409L Tubing is primarily composed of iron, chromium, and a low carbon content, with trace amounts of titanium to enhance corrosion resistance and stability. This ferritic stainless steel grade provides moderate tensile strength, good hardness, and excellent resistance to oxidation and thermal stress. The low carbon content minimizes carbide precipitation, improving weldability and durability. SS 409L Tubing maintains structural integrity and mechanical performance under continuous thermal and mechanical loads. Its composition ensures long-term reliability, corrosion resistance, and stability, making it ideal for automotive, industrial, and engineering applications requiring precision 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.
Stainless Steel 409L Tubing is widely used in industries that require corrosion-resistant, heat-resistant, and durable tubing solutions. It is commonly applied in automotive exhaust systems, heat exchangers, industrial machinery, and chemical processing equipment. This tubing is also suitable for structural frameworks, high-temperature fluid systems, and welded assemblies where dimensional stability and corrosion resistance are critical. With excellent weldability, thermal stability, and long-term durability, SS 409L Tubing provides reliable performance in demanding environments. Its combination of strength, corrosion protection, and thermal resistance makes it ideal for industrial, automotive, and engineering applications where precision and longevity are essential.







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