Weston Stainless, based in Midland, UK, is a reliable supplier of premium stainless steel products, serving diverse industries with high-quality materials. Among their offerings, Stainless Steel 309 Pipes are known for their exceptional heat and corrosion resistance, making them ideal for high-temperature applications. The 309 grade is an austenitic stainless steel composed of iron, 22-24% chromium, 12-15% nickel, and low carbon content, ensuring superior oxidation resistance. Available in various shapes such as seamless, welded, and ERW pipes, these pipes are widely used in heat exchangers, furnaces, chemical processing, and power plants for their durability and strength.
Stainless Steel 309 Pipes are composed of iron with 22-24% chromium, 12-15% nickel, 0.08% carbon, and small amounts of manganese, silicon, phosphorus, and sulfur, enhancing their oxidation and heat resistance. Their mechanical properties include a tensile strength of 620 MPa, yield strength of 310 MPa, and 40% elongation, ensuring excellent durability. The physical properties feature a density of 7.9 g/cm³, a melting point of 1350-1400°C, and a thermal conductivity of 15.6 W/m·K. These properties make 309 pipes ideal for high-temperature applications in industries like petrochemical, power plants, and heat treatment facilities.
| 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) |
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Stainless Steel 309 Pipes are widely used in high-temperature and corrosive environments due to their excellent oxidation and heat resistance. They are commonly found in heat exchangers, furnace components, boilers, and exhaust systems. Industries such as petrochemical, power generation, and thermal processing rely on these pipes for applications like burner pipes, annealing covers, and catalytic recovery systems. Additionally, they are used in chemical plants, incinerators, and food processing units where high-temperature strength and corrosion resistance are essential. Their durability and mechanical strength make them suitable for elevated temperature and high-pressure applications.
High-temperature alloy with excellent oxidation resistance, offering superior strength and durability in harsh environments. Ideal for aerospace and industrial applications
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.
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.
Superior heat resistance and corrosion protection, ideal for high-temperature applications. Their seamless design ensures durability and reliability in industrial and aerospace environments.
Excellent heat resistance and corrosion resistance. Its round shape ensures versatility and strength, making it suitable for high-temperature industrial applications and structural uses.
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 come with test certificates such as Mill Test Certificates (MTC) per EN 10204 3.1/3.2, third-party inspection reports, and material traceability documents, ensuring quality assurance. Packaging is done using wooden boxes, crates, and bubble wraps to prevent damage during transit. Delivery is efficient, catering to both domestic and international markets with proper labeling, handling, and secure transportation to ensure the product reaches safely.
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