Niazi Stainless is a well-respected manufacturer and supplier located in Manama, Bahrain, specializing in high-quality Stainless Steel 409L Pipes for a variety of industrial uses. Renowned for their precision, durability, and commitment to international quality standards, the company provides pipe solutions that excel in corrosion resistance, weldability, and long-lasting performance. Their SS 409L Pipes are crafted using cutting-edge manufacturing techniques to guarantee superior strength, precise dimensions, and reliability even in tough environments. With a strong emphasis on customer satisfaction, prompt delivery, and strict quality control, Niazi Stainless has built a reputation as a trusted stainless steel supplier throughout Bahrain and the Gulf region.
Stainless Steel 409L Pipes are made from low-carbon ferritic stainless steel that contains 10.5–11.75% chromium, which enhances corrosion resistance and weldability compared to standard 409. The lower carbon content reduces carbide precipitation, improving structural stability during welding. In terms of mechanical properties, SS 409L offers moderate tensile strength, good toughness, and excellent resistance to high-temperature oxidation. It performs reliably under thermal cycling and maintains stability in mildly corrosive environments. These combined features make Stainless Steel 409L Pipes ideal for applications that demand durability, formability, and strong thermal performance.
| 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.
Niazi Stainless is a leading supplier, and stockist of high-quality Stainless Steel 409L Pipes in Manama, Bahrain. 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.
These pipes are widely utilized in industries that require corrosion-resistant, heat-resistant, and easily weldable piping solutions. They’re commonly found in automotive exhaust systems, catalytic converters, and muffler assemblies due to their outstanding performance at high temperatures. SS 409L Pipes are also used in heat exchangers, furnace components, industrial ducting, and ventilation systems that experience fluctuating thermal conditions. Additionally, these pipes are effective in petrochemical plants, food processing equipment, and fluid-handling systems.
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