About
309 / 309S stainless steel pipes and tubes are used exclusively for their excellent oxidation resistance, and strength at high temperatures. Additionally, they offer good resistance to creep deformation and extreme environment. Some examples include, but are not limited to: Heating elements.Superior Heat and Corrosion ResistanceWith their outstanding heat resistance up to 1000C and exceptional corrosion resistance, Stainless Steel 309 Tubes perform reliably in environments subject to high temperatures and harsh conditions. Their unique material properties make them ideal for furnace components, heat exchangers, and applications in power generation and chemical processing.
Highly Customisable and VersatileWe manufacture Stainless Steel 309 Tubes in a range of sizes, thicknesses, and shapes-round, square, and rectangular-to suit diverse industrial needs. Lengths and diameters are fully customizable, with wall thickness tolerances of 10%. Flexible end connections and finishes cater to specific project requirements.
Assured Quality and Certified ComplianceEvery tube can be supplied with comprehensive test certificates, including third-party inspection. Our manufacturing processes strictly comply with ISO, EN, and ASTM standards (such as ASTM A213, A269, and A312), ensuring reliability and traceability for critical industrial applications.
FAQ's of Stainless Steel 309 Tubes:
Q: How is the wall thickness tolerance maintained on Stainless Steel 309 Tubes?
A: The wall thickness for our Stainless Steel 309 Tubes is controlled within 10%, ensuring dimensional consistency and reliable mechanical performance in demanding applications.
Q: What testing and certification processes are followed for these tubes?
A: All Stainless Steel 309 Tubes are delivered with test certificates, and third-party inspection is available upon request. Tubes are tested for chemical composition, mechanical properties, and dimensional accuracy to comply with ISO, EN, and ASTM standards.
Q: When should I choose seamless versus welded tubes?
A: Seamless tubes are recommended for high-pressure or high-temperature applications due to their superior strength and uniformity, while welded tubes are suitable for general industrial uses where cost-effectiveness and versatility are priorities.
Q: Where are Stainless Steel 309 Tubes commonly used?
A: These tubes are widely utilized in industrial settings, including chemical processing, petrochemical plants, power generation, heat exchangers, and furnace components due to their heat and corrosion resistance.
Q: What is the process for customizing dimensions of the tubes?
A: Customers can specify required length, diameter, wall thickness, and shape. Our manufacturing supports full customisation, ensuring tubes match precise project needs and specifications.
Q: How does the composition of SS 309 tubes benefit industrial usage?
A: The high chromium (22-24%) and nickel (12-15%) content offers excellent resistance to oxidation and scaling at high temperatures, making SS 309 tubes especially suitable for service in extreme environments.