At Mitchell Stainless in Hamilton, New Zealand, we provide stainless steel piping solutions built for high-temperature and industrial applications. Our Stainless Steel 309 Pipes are designed to resist oxidation and maintain structural integrity under elevated heat. Widely used in furnaces, kilns, and thermal processing systems, these pipes combine strength and durability for demanding environments. Supported by Mitchell Stainless’ commitment to quality and local expertise, 309 pipes offer reliable performance and long service life. Our team works closely with customers to ensure the right piping solution is selected for each project, even under challenging conditions.
Stainless Steel 309 Pipes are manufactured from an austenitic stainless steel alloy with high chromium and nickel content. This composition provides excellent resistance to oxidation and scaling at elevated temperatures. The material offers good tensile strength, toughness, and structural stability under continuous heat exposure. Stainless Steel 309 maintains its mechanical properties more effectively than standard stainless grades when subjected to high temperatures, making it suitable for prolonged service in thermal and industrial applications.
| EFW 309 Pipes | 6″ NB – 100″ NB |
| Schedule | SCH 10, SCH20, SCH30, SCH40, STD, SCH60, XS, SCH80, SCH120, SCH140, SCH160, XXS |
| Wall Thickness | Schedule 5S – Schedule XXS. |
| Length | Single Random, Double Random & Cut Length. |
| Specifications | ASTM A/ASME SA213/A249/A269/A312/A358 CL |
| Dimensions | ASTM, ASME and API |
| Size – Seamless 309 Pipes & Tubes | 1/2″ NB – 16″ NB |
| ERW 309 Pipes & Tubes | 1/2″ NB – 24″ NB |
| Types | Seamless / ERW / Welded / Fabricated / LSAW Pipes |
| Form | Round, Square, Rectangular, Hydraulic Etc |
| End | Plain End, Beveled End, Treaded |
| Grade | Fe | Cr | Ni | Mn | Si | C | P | S |
| SS 309 | 60% | 23% | 14% | 2% | 1% | 0.20% | 0.045% | 0.030% |
| Yield Strength 0.2% Offset0 | Ultimate Tensile Strength | Elongation in 2 in. | Hardness | ||
| psi (min.) | (MPa) | psi (min.) | (MPa) | % (min.) | (max.) |
| 45,000 | 310 | 85,000 | 586 | 50 | 202 (HBN) |
Contact us to get a quick quote for your requirement.
We offers high quality stainless steel 309 pipe, rigorously tested for durability and performance. Our products undergo extensive testing, including chemical composition, mechanical properties and corrosion resistance. Certified to industry standards, we ensure every pipe meets stringent quality standards, and provides reliable performance for a wide range of applications.
Stainless Steel 309 Seamless Pipe is a high-temperature alloy with excellent oxidation resistance, offering superior strength and durability in harsh environments. Ideal for aerospace and industrial applications
Stainless Steel 309 Welded Pipe provides excellent oxidation and corrosion resistance, suitable for high-temperature applications. Its welded construction offers cost efficiency and structural integrity in various industrial and aerospace uses.
Stainless Steel 309 ERW Pipe combines high-temperature resistance with exceptional durability. Its Electric Resistance Welded (ERW) construction ensures reliable performance in demanding environments, ideal for industrial and high-heat applications.
Stainless Steel TP 309 Seamless Pipes offer superior heat resistance and corrosion protection, ideal for high-temperature applications. Their seamless design ensures durability and reliability in industrial and aerospace environments.
Stainless Steel 309 Round Pipe features excellent heat resistance and corrosion resistance. Its round shape ensures versatility and strength, making it suitable for high-temperature industrial applications and structural uses.
Stainless Steel 309 EFW Pipe provides robust heat and corrosion resistance with Electric Fusion Welded construction. Ideal for high-temperature and industrial applications, it ensures durability and structural integrity.
Stainless Steel 309 Pipes are commonly used in high-temperature and industrial settings. Typical applications include furnaces, kilns, heat exchangers, boilers, thermal processing equipment, and petrochemical plants. They are also found in power generation facilities and other systems exposed to prolonged heat and thermal cycling. At Mitchell Stainless, we often supply 309 pipes for projects that require reliable performance under extreme conditions. Their excellent heat and oxidation resistance make them a trusted solution for demanding industrial and engineering applications.
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