- sales@tunpipes.com
- Naypyidaw, Myanmar
Home > Stainless Steel Tubing > Stainless Steel 409 Tubing
Tun Pipes, located in Naypyidaw, Myanmar, stands out as a top manufacturer and supplier of premium stainless steel products, with a focus on seamless tubing. They pride themselves on their dedication to precision, durability, and ensuring customer satisfaction. Tun Pipes caters to a variety of industries that need dependable and corrosion-resistant piping solutions. One of their standout products is the Stainless Steel 321/321H seamless tubing, which is renowned for its outstanding performance in high-temperature and challenging environments. By utilizing cutting-edge manufacturing techniques and rigorous quality control, Tun Pipes guarantees that every tube meets international standards, making it a go-to choice for industrial, chemical, and engineering applications throughout Myanmar and Southeast Asia.
The Stainless Steel 321/321H seamless tubing is an austenitic chromium-nickel alloy that’s stabilized with titanium, which boosts its resistance to intergranular corrosion. It typically contains 17–19% chromium, 9–12% nickel, and titanium to enhance stability at high temperatures. This tubing showcases impressive mechanical properties, with tensile strength ranging from 515–750 MPa and yield strength between 205–275 MPa, depending on the grade and heat treatment. It also boasts an elongation of 40% or more, providing flexibility without sacrificing strength. The 321H variant, with its higher carbon content, offers enhanced creep resistance, making both grades perfect for extreme temperature and pressure situations.
| Standard | ASTM A249/A269/A312/A358/A409/A554/A778/A789/A790 |
| Dimensions | ASTM, ASME and API |
| Size | 1/8″NB TO 30″NB IN |
| Pipes & Tubes | 1/2″ NB – 16″ NB |
| ERW Pipes & Tubes | 1/2″ NB – 24″ NB |
| EFW Pipes & Tubes | 6″ NB – 100″ NB |
| Outer Diameter | 6.00 mm OD up to 914.4 mm OD, Sizes up to 24” NB |
| Specialized in | Large Diameter Size |
| Thickness | 0.3mm – 50 mm, SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS |
| Type | Seamless / ERW / Welded / Fabricated / CDW |
| Form | Round Pipes/Tubes, Square Pipes/Tubes, Rectangular Pipe/Tubes, Coiled Tubes, “U” Shape, Pan Cake Coils, Hydraulic Tubes |
| Length | Single Random, Double Random & Required Length |
| End | Plain End, Beveled End, Treaded |
| 409 | Max | Min |
| Ni | 0.5 | – |
| C | 0.08 | – |
| Mn | 1.00 | – |
| P | 0.045 | – |
| S | 0.045 | – |
| Si | 1.0 | – |
| Cr | 11.75 | 10.5 |
| Mo | – | – |
| N | – | – |
| TI | 0.75 | 6x C |
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
| SS 409 | 1.4151 | S40900 | – | – | – | – | – |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
By choosing Stainless Steel 409 Tubing from Tun Pipes and Tubes, you are assured of superior quality and durability. These tubes provide outstanding corrosion resistance and strength, making them ideal for a wide range of industrial applications. Our dedication to excellent service and dependable delivery ensures customer satisfaction every time. With our expertise in stainless steel products, we deliver top-tier solutions customized to meet your specific requirements.
Tun Pipes and Tubes, a leading supplier of Stainless Steel 409 Tubing in Naypyidaw, Myanmar, provides a wide selection of premium pipes and tubes for diverse industrial applications. With a vast inventory and a strong focus on delivering outstanding service, they are the preferred choice for stainless steel products in the region.
At Tun Pipes and Tubes, we provide custom sizes of Stainless Steel 409 Tubing to meet your exact specifications. Our dedicated team is here to offer tailored solutions for all your piping and tubing needs. For more information, feel free to reach out to us at sales@brydonpipesandtubes.co.uk.
Stainless Steel 321/321H seamless tubing is commonly found in settings that demand high corrosion resistance and thermal stability. You’ll often see it in chemical processing, petrochemical plants, and power generation systems, where the tubes are exposed to high-temperature fluids and gases. Its exceptional strength and oxidation resistance make it ideal for exhaust systems, heat exchangers, and furnace components. Moreover, it’s also used in the aerospace, food processing, and pharmaceutical sectors, where hygiene and durability are paramount.
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