Andre Stainless is a well-respected manufacturer and supplier of Stainless Steel 409L Pipes based in Pulau Ujong, Singapore. They specialize in providing high-quality, corrosion-resistant piping solutions tailored for automotive, exhaust, and industrial applications. With a strong reputation for their expertise in ferritic stainless steels, Andre Stainless produces SS 409L pipes that offer excellent weldability, thermal stability, and moderate corrosion resistance—all at a competitive price. Thanks to their advanced manufacturing facilities and rigorous quality control processes, the company ensures that their pipe products are both durable and cost-effective, serving various sectors in Singapore and beyond.
Stainless Steel 409L Pipes are crafted from a low-carbon ferritic stainless steel that contains around 11–12% chromium and a maximum of 0.03% carbon. This low carbon content not only enhances weldability but also minimizes the risk of intergranular corrosion after welding. These pipes are known for their good resistance to exhaust gas corrosion and oxidation at high temperatures (up to 675°C), with tensile strength typically falling between 380 to 550 MPa. Compared to the standard 409 grade, SS 409L pipes provide better formability and improved performance in mildly corrosive and heat-prone environments.
| 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.
Andre Stainless is a leading supplier, and stockist of high-quality Stainless Steel 409L Pipes in Pulau ujong, Singapore. 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.
You’ll find Stainless Steel 409L Pipes commonly used in automotive exhaust systems, mufflers, catalytic converter assemblies, heat exchangers, ventilation systems, and industrial ducting. Their blend of cost-effectiveness, durability, and moderate corrosion resistance makes them a go-to choice for fabrication projects where structural integrity and thermal endurance are crucial. SS 409L pipes are especially well-suited for applications that experience continuous temperature fluctuations, providing a reliable and economical solution for both OEMs and industrial users.
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