Based in Chennai, India, Vinit Stainless is a top supplier and manufacturer of stainless steel, renowned for providing dependable and superior stainless steel solutions. With an emphasis on accuracy, efficiency, and longevity, we serve a wide variety of industrial applications. Stainless steel 409L tubing, which is well known for its exceptional mechanical strength and resistance to corrosion, is one of our best products. Our 409L tubing is built to last in demanding conditions. Vinit Stainless is dedicated to upholding industry leadership and offering client-centered solutions that satisfy global standards and changing market demands.
Stainless Steel 409L is a ferritic stainless steel alloy with a low carbon content and 10.5–11.75% chromium that provides improved corrosion resistance and weldability. It is perfect for exhaust and heating components because it is specifically made for high-temperature performance and oxidation resistance. The alloy performs well mechanically under heat stress and has good formability and moderate strength. In automotive and industrial applications, it is a preferred material due to its low cost in comparison to austenitic grades, high performance under heat and oxidative stress, and good weldability.
| 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.
Because of its durability and resistance to oxidation at high temperatures, stainless steel 409L tubing finds widespread use in the automotive industry, particularly for exhaust systems, mufflers, and catalytic converters. It is perfect for creating sturdy, long-lasting joints in heat-sensitive applications because of its formability and weldability. It is also frequently used in gas pipelines, manifolds, and heat exchangers—places where corrosion and heat resistance are critical. It is also appropriate for industrial machinery that is subjected to mildly corrosive conditions, like those found in power plants and chemical plants. In engineering applications where cost is a concern, the tubing’s affordability increases its allure.
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