Aditya Stainless stands out as a trusted manufacturer and supplier of Stainless Steel 409 Tubing in Kolkata, India. They provide durable and budget-friendly solutions tailored for automotive, industrial, and exhaust system needs. Stainless Steel 409 (UNS S40900) is a ferritic stainless steel celebrated for its impressive resistance to oxidation and corrosion, especially in high-temperature settings. Primarily designed for automotive exhaust systems, SS 409 tubing boasts solid mechanical strength, formability, and weldability, making it perfect for fabrication and high-heat applications. Its magnetic properties and economical pricing make it a go-to choice for both OEMs and aftermarket manufacturers.
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 |
Contact us to get a quick quote for your requirement.
We ensures that its stainless steel 409 tubing is rigorously tested to meet industry standards. Each batch goes through mechanical, chemical and dimensional testing, including tensile, hardness and corrosion resistance testing. Certificates of compliance, including Mill Test Certificates (MTC), have been issued to ensure demand and quality of materials used.
Stainless Steel 409 seamless tubing offers 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.
Stainless Steel 409 welded tubing is 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.
Stainless Steel 409 heat exchanger tubes are 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.
Stainless Steel 409 instrumentation tubing offers 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.
Stainless Steel 409 boiler tubes are 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.
Stainless Steel 409 U-tubes provide 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.
Stainless Steel 409 condenser tubes offer 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.
Stainless Steel 409 fin tubes provide 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 mainly utilized in automotive exhaust systems, including components like manifolds, mufflers, catalytic converter shells, and tailpipes, thanks to its ability to withstand high-temperature oxidation and exhaust gas corrosion. Beyond the automotive sector, it’s also used in agricultural machinery, heat exchangers, chimney liners, industrial ventilation systems, and structural tubing where performance takes precedence over aesthetics. Its formability, affordability, and durability under thermal stress make it a practical choice for high-volume production. The tubing is also employed in welded assemblies where moderate strength is required.
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