Kyaw Stainless is a trusted manufacturer and supplier of Stainless Steel 409 Tubing based in Naypyidaw, Myanmar. They provide top-notch stainless steel solutions tailored for both industrial and commercial needs. This ferritic grade of stainless steel is celebrated for its impressive heat resistance, decent corrosion protection, and budget-friendly performance, making it a go-to choice for high-temperature applications. At Kyaw Stainless, they prioritize precision in manufacturing, ensuring consistent dimensions and robust mechanical properties through cutting-edge production techniques and rigorous quality testing. Their SS 409 Tubing finds its way into automotive exhaust systems, fabrication projects, machinery, and ventilation systems. The company delivers durable, weldable, and cost-effective tubing that stands up to the demands of long-term use in challenging environments.
Stainless Steel 409 Tubing is composed of approximately 10.5–11.75% chromium and has low carbon content, which enhances its weldability and minimizes carbide precipitation. It offers moderate resistance to corrosion, good oxidation resistance at elevated temperatures, and reliable tensile strength. SS 409 is known for its excellent formability, structural stability, and toughness, making it ideal for bending and fabrication tasks. This alloy performs admirably under thermal stress and is resistant to corrosion from exhaust gases. While it may not match the corrosion resistance of 304 or 316 grades, its mechanical strength, heat resistance, and cost-effectiveness make it a popular choice for various industrial applications.
Specifications : ASTM A731, A268 / ASME SA731, SA268
Dimensions : ASTM, ASME and API
Size : 1/2″ NB to 24″ NB
Type : Seamless, Welded, EFW, ERW, Fabricated
Schedule : SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
Form : Round Pipes, Square Pipes, Rectangular Pipes, Oval Pipes, Hydraulic Pipe, etc.
End : Plain End, Treaded, Beveled End
Length : Single Random, Double Random & Cut Length. (Custom Sizes Available as per customers requirement)
| Grade | C | Ni | Si | S | Mn | P | Cr | Ti | |
| SS 409 | min. | – | – | – | – | – | – | 10.5 | 6x C |
| max. | 0.08 | 0.5 | 1.00 | 0.045 | 1.00 | 0.045 | 11.75 | 0.75 | |
| Tensile Strength(MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Rockwell B (HRB) max | Brinell (HB) max |
| 450 | 240 | 25 | 75 | 131 |
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Stainless Steel 409 Tubing has extensive applications in automobile exhaust systems, mufflers, catalytic converters, and exhaust emission control systems, where longevity and high-temperature resistance are crucial. It is also applied in heat exchangers, industrial ventilation systems, and air pollution control devices, providing reliable operation in aggressive conditions. Further, this tube is used in boiler systems, power generation systems, and structural components, with outstanding corrosion resistance and long service life. Due to its superior weldability and oxidation resistance, it is used in chemical processing, food process equipment, and marine applications, providing efficiency and cost savings.
Excellent corrosion resistance and durability. It is available in sizes ranging from 1/8 inch to 24 inches in diameter. Ideal for high-pressure applications due to its strength and resistance to oxidation.
Corrosion-resistant and available in sizes from 1/8 inch to 36 inches in diameter. It is commonly used in applications where welding is necessary, providing a cost-effective solution with good mechanical properties.
Designed for efficient heat transfer and corrosion resistance. Available in sizes ranging from 1/4 inch to 2 inches in diameter, these tubes are used in automotive and industrial heat exchangers.
High corrosion resistance and precision in control systems. Sizes range from 1/16 inch to 2 inches in diameter, making them suitable for various instrumentation and control applications.
Corrosion-resistant and durable, ideal for high-temperature and pressure environments. Available in sizes from 1/2 inch to 5 inches in diameter, they are widely used in power generation and industrial boilers.
Excellent corrosion resistance and are available in sizes from 1/4 inch to 2 inches in diameter. These U-shaped tubes are commonly used in heat exchangers and condensers for efficient thermal performance.
High corrosion resistance and are designed for efficient heat transfer. Sizes range from 1/4 inch to 2 inches in diameter, making them ideal for use in condensers and refrigeration systems.
Enhanced heat transfer efficiency with excellent corrosion resistance. Available in sizes from 1/4 inch to 2 inches in diameter, these tubes are used in applications requiring increased surface area for heat exchange.
Stainless Steel 409 Tubing is extensively utilized in automotive exhaust systems, mufflers, catalytic converters, and heat shields, thanks to its ability to endure hot exhaust gases and thermal cycling. Additionally, it finds applications in ventilation systems, food processing equipment, heat exchangers, chimneys, and industrial fabrication structures. SS 409 provides practical corrosion resistance and good weldability, making it a versatile option for many projects.
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