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Home > Stainless Steel > Stainless Steel 309H Pipes
Tun Pipes is proud to be a trusted manufacturer and supplier based right here in Naypyidaw, Myanmar. We specialize in providing high-quality Stainless Steel 309H Pipes, tailored for projects that demand exceptional performance. Our team understands the critical nature of your work, which is why we ensure our pipes meet the highest standards for durability and reliability, backed by our local expertise and commitment to supporting our nation’s growing industrial and infrastructural landscape.
The composition of Stainless Steel 309H is a high chromium and nickel austenitic steel, with added carbon for improved strength at high temperatures. This gives these pipes outstanding mechanical properties; they maintain their structural integrity and resist degradation even when exposed to extreme heat, making them incredibly resilient against oxidation and corrosion. This robust performance is exactly what you need for challenging thermal environments.
| Specifications | ASTM A/ASME SA213/A249/A269/A312/A358 CL. I to V ASTM A789/A790 |
| Dimensions | ASTM, ASME and API |
| Schedule | SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
| Wall Thickness | Sch 5s, 10s, 40s, 80s, 160, XXS |
| Size – Seamless 309H Pipes | 1/8″NB TO 30″NB IN |
| ERW 309H Pipes | 1/2″ NB – 24″ NB |
| EFW 309 Pipes | 6″ NB – 100″ NB |
| Form | Round, Square, Rectangular, Oval, Hydraulic Etc |
| Types | Seamless, ERW, Welded, Fabricated, LSAW Pipes |
| End | Plain End, Beveled End, Treaded |
| Length | Single Random, Double Random & Cut Length. |
| Grade | C | Mn | Si | P | S | Cr | Ni | Fe | |
| 309H | min. | 0.04 | – | – | – | – | 22.0 | 12.0 | 58.0 63.0 |
| max. | 0.10 | 2.0 | 0.75 | 0.045 | 0.03 | 24.0 | 15.0 | ||
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 309H | 515 | 205 | 40 | 95 | 217 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Choosing Stainless Steel 309H Pipes from Tun Pipes and Tubes offers superior thermal stability, corrosion resistance and excellent weldability. The company’s expertise assures accuracy and quality control. They offer on-time delivery, competitive pricing and exceptional customer support, making them a trusted vendor for engineering needs.
Tun Pipes and Tubes, one of the largest suppliers of Stainless Steel 309H pipes in Naypyidaw, Myanmar, offers a comprehensive range of high-quality pipes and tubes suitable for various industrial applications. Their extensive inventory and commitment to exceptional service make them a go-to choice for stainless steel products in the region.
Yes, we offer custom sizes for Stainless Steel 309H pipes to meet your specific requirements. Our team at Tun Pipes and Tubes is committed to providing tailored solutions for all your Piping & tubing needs. For more details, contact us at sales@tunpipes.com.
Stainless Steel 309H Pipes find extensive use in petrochemical plants, refineries, power generation, and thermal processing industries. They are particularly well-suited for furnace components, heat exchangers, boiler parts, and superheaters, where resistance to oxidation and scaling is crucial. Additionally, these pipes are utilized in flue gas systems, kilns, and chemical processing units due to their strength and reliability in corrosive environments. Their robust mechanical properties and long service life also make them ideal for marine and high-temperature structural applications, ensuring consistent performance across a variety of industrial settings.
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