Kyaw Stainless, a well-respected manufacturer and supplier located in Naypyidaw, Myanmar, is dedicated to providing top-notch Stainless Steel 409L Pipes that adhere to international performance and durability standards. Thanks to cutting-edge manufacturing technology and rigorous quality control, Kyaw Stainless produces pipes celebrated for their exceptional corrosion resistance, weldability, and heat tolerance. These Stainless Steel 409L Pipes are a popular choice in industries that require both strength and cost-effectiveness. Each product is meticulously tested to ensure clients receive reliable and long-lasting piping solutions suitable for automotive, industrial, and structural applications across a variety of sectors.
| 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.
The composition of Stainless Steel 409L Pipes primarily includes iron, chromium (10.5–11.7%), and low carbon content, with minor additions of titanium and nickel to boost stability and corrosion resistance. The low carbon and titanium levels enhance weldability and help prevent carbide precipitation. In terms of mechanical properties, they showcase a tensile strength of around 380–450 MPa, yield strength of about 170–240 MPa, and an elongation of roughly 20%. They also exhibit excellent oxidation resistance at high temperatures and maintain good ductility and toughness, even in mildly corrosive environments.
Manufactured by welding stainless steel strips, offering cost-effective, corrosion-resistant pipes suitable for automotive exhaust systems and other high-temperature applications.
Produced by fusing stainless steel plates, providing high-strength, oxidation-resistant pipes ideal for exhaust systems and industrial applications with elevated temperatures.
Made using submerged arc welding, offering strong, heat-resistant pipes for large-diameter applications, such as automotive exhaust systems and high-temperature environments.
Manufactured without welding, providing uniform strength and high resistance to oxidation, ideal for use in exhaust systems and other high-temperature, corrosive applications.
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.
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.
Stainless Steel 409L Pipes are utilized extensively in the exhaust systems of automobiles, catalytic converters, mufflers, and heat exchangers where resistance to high temperatures and protection against oxidation is essential. They are also used in petrochemical processes, structural components, and power generation plants, providing toughness in corrosive environments. The pipes can be used in boiler systems, pressure vessels, farm equipment, and industrial furnaces, providing resistance to thermal cycling, mechanical stress, and corrosion. Their high weldability and affordability make them a choice for manufacturing, engineering, and heavy-duty use where long-term performance is needed.
These Stainless Steel 409L Pipes find extensive use in automotive exhaust systems, catalytic converters, and mufflers, thanks to their impressive resistance to corrosion and heat. In industrial settings, they are perfect for heat exchangers, refinery equipment, sugar mills, and power plants. Their ability to endure high temperatures and oxidizing conditions makes them ideal for fuel burner components and structural supports. Additionally, these pipes are utilized in food processing equipment and construction frameworks, where durability and low maintenance are crucial for long-term performance and reliability.
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