Walid Stainless, based in Tunis, Tunisia, is a leading manufacturer and supplier of premium stainless steel products. Among their offerings are Stainless Steel 409L Pipes, designed for applications requiring excellent corrosion resistance, high-temperature performance, and long-term durability. The low-carbon 409L grade minimizes the risk of sensitization, enhancing weldability and structural integrity. These pipes are ideal for automotive, industrial, and structural systems exposed to mildly corrosive or high-temperature environments. At Walid Stainless, each pipe is manufactured with precision and undergoes strict quality control to ensure consistent, reliable performance.
Stainless Steel 409L Pipes are made from a ferritic stainless steel alloy containing approximately 11–12% chromium with low carbon content. The low carbon improves weldability while reducing the risk of sensitization during fabrication. Titanium is added for stabilization, enhancing high-temperature performance and corrosion resistance. These pipes typically have tensile strength between 450–550 MPa and hardness around 160–200 HB. Their ferritic structure provides dimensional stability, thermal resistance, and moderate wear resistance, making 409L Pipes ideal for industrial, automotive, and structural applications where welded assemblies are required.
| Specifications | ASTM A554 / ASME SA554(Ornamental Tubing Specification) or ASTM A 312 |
| Size | 10mm x 20mm to 150 x 300mm, other non standard sizes available on request |
| Wall Thickness | 0.5mm to 6mm |
| Length | Up to 6 meters, custom cut lengths |
| Type | Seamless, Welded, ERE, EFW |
| Finish | 2B, No.1 Pickled Finish, No.4 finish, BA Finish, No.8 Mirror Finish, Electropolished Rectangular Pipes |
| Delivery Condition | Bright Annealed, Polished or Annealed and Pickled |
| Packing | In bundles, coating, Ends can be bevelled or rectangular cut, End Capped Certification & supplementary test, Finishing & Identity Mark |
| Type | Seamless / ERW / Welded / Fabricated / LSAW Pipes |
| Form | Round, Square, Rectangular, Hydraulic Etc |
| Length | Single Random, Double Random & Cut Length. |
| End | Plain End, Beveled End, Treaded |
| Grade | C | Ni | Si | S | Mn | P | Cr | Ti | |
| SS 409L | min. | – | – | – | – | – | – | 10.5 | 6*(%C+%N) |
| max. | 0.03 | 0.5 | 1.00 | 0.02 | 1.00 | 0.04 | 11.7 | 0.5 | |
| Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HRB) max | Brinell (HB) max | |||
| 379 | 207 | 20 | 75 | 131 |
Contact us to get a quick quote for your requirement.
We provides full test and certification on its Stainless Steel 409L Pipes. It has quality controls on every single pipe, whether it is under mechanical testing or chemical analysis as well as non-destructive examinations, to ensure high performance, high durability, and reliability for varied industrial applications in compliance with international standards.
Stainless Steel 409L ERW (Electric Resistance Welded) pipes are manufactured by welding stainless steel strips, offering cost-effective, corrosion-resistant pipes suitable for automotive exhaust systems and other high-temperature applications.
Stainless Steel 409L EFW (Electric Fusion Welded) pipes are produced by fusing stainless steel plates, providing high-strength, oxidation-resistant pipes ideal for exhaust systems and industrial applications with elevated temperatures.
Stainless Steel 409L LSAW (Longitudinally Submerged Arc Welded) pipes are made using submerged arc welding, offering strong, heat-resistant pipes for large-diameter applications, such as automotive exhaust systems and high-temperature environments.
Stainless Steel 409L Seamless pipes are manufactured without welding, providing uniform strength and high resistance to oxidation, ideal for use in exhaust systems and other high-temperature, corrosive applications.
Stainless Steel 409L Welded pipes are produced by welding stainless steel sections, offering durability and cost-effectiveness for high-temperature and exhaust system applications, with good resistance to oxidation and corrosion.
Stainless Steel 409L Square pipes feature a square cross-section, providing structural support and heat resistance, ideal for automotive exhaust systems and industrial applications requiring both durability and resistance to oxidation.
Walid Stainless is a leading supplier, and stockist of high-quality Stainless Steel 409L Pipes in Tunis, Tunisia. Our products are widely used in various applications, and we are committed to delivering excellent service, resulting in high customer satisfaction. Our unique finishing techniques further distinguish us in the stainless steel industry. We are dedicated to consistently providing superior products and effectively meeting our customer’s needs.
Stainless Steel 409L Pipes are widely used in industries requiring corrosion-resistant, heat-stable, and weldable piping solutions. They are ideal for automotive exhaust systems, furnace components, heat exchangers, and industrial pipelines exposed to elevated temperatures and mildly corrosive environments. The low-carbon, titanium-stabilized composition ensures long-term dimensional stability, improved weldability, and mechanical reliability. Engineers and technicians rely on 409L Pipes for transporting gases or fluids safely and efficiently in demanding industrial and automotive applications. Walid Stainless ensures that each pipe meets strict quality standards, providing dependable materials for automotive, industrial, and structural projects requiring corrosion resistance and high-temperature performance.
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