Weston Stainless, based in Midland, UK, is a leading supplier of high-quality stainless steel products, offering a comprehensive range of materials and services to various industries worldwide. They are known for providing durable, reliable stainless steel solutions that meet international standards. Stainless Steel 309S Tubing is made from an alloy containing 22-24% chromium and 12-15% nickel, offering excellent resistance to high temperatures and oxidation. These tubes are available in various shapes, including round, square, and rectangular, and are widely used in industries like petrochemical, power generation, and heat exchangers.
Stainless Steel 309S Tubing is composed of 22-24% chromium, 12-15% nickel, with small amounts of manganese, silicon, and carbon. The mechanical properties include a tensile strength of approximately 515 MPa, yield strength of 205 MPa, and elongation of 40%. The Brinell hardness is about 201 HB. Physically, it has a density of 7.9 g/cm³, a melting point between 1400-1450°C, and thermal conductivity of 15.1 W/m·K. These tubes offer excellent resistance to oxidation, high-temperature strength, and corrosion, making them suitable for demanding industrial applications.
| Thickness | 0.3mm – 50 mm, SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS |
| Outer Diameter | 6.00 mm OD up to 914.4 mm OD, Sizes up to 24” NB |
| Type | Seamless / ERW / Welded / Fabricated / CDW |
| Form | Round Tubes, Square Tubes, Rectangular Tubes, Coiled Tubes, “U” Shape, Pan Cake Coils, Hydraulic Tubes |
| Length | Single Random, Double Random & Required Length |
| End | Plain End, Beveled End, Treaded. |
| ELEMENT | SS 309S |
| NI | 12.0 – 15.0 |
| C | 0.08 max |
| MN | 2.0 max |
| P | 0.045 max |
| S | 0.030 max |
| SI | 1.0 max |
| CR | 22.0 – 24.0 |
| MO | 0.75 max |
| Condition & Grade | Tensile Strength | Yeild Strength | Elognation | Hardness |
|---|---|---|---|---|
| SS 309S | 75 (515) | 30 (205) | 35 | 90 HRB max |
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ainless Steel 309S Tubing is widely used in high-temperature and corrosive environments due to its excellent resistance to oxidation and corrosion. It is commonly found in industries such as petrochemical, power generation, and chemical processing, where it is used in heat exchangers, boilers, and exhaust systems. These tubes are also ideal for applications in gas turbines, industrial machinery, and food processing equipment. Their ability to withstand extreme heat and aggressive environments makes them essential for industries that require durable and reliable tubing solutions in harsh conditions.
High resistance to oxidation and excellent mechanical properties. It typically comes in diameters ranging from 1/8 inch to 12 inches, with wall thicknesses of 0.5 mm to 10 mm. It offers superior corrosion resistance in high-temperature applications.
Good oxidation resistance and strength. It is available in sizes from 1/4 inch to 10 inches in diameter and wall thicknesses from 0.5 mm to 8 mm. This tubing is well-suited for high-temperature environments due to its excellent corrosion resistance.
Designed to handle extreme temperatures and corrosive environments. Common sizes range from 1/2 inch to 3 inches in diameter, with wall thicknesses of 1 mm to 5 mm. It provides excellent thermal conductivity and resistance to oxidation.
Used for precise measurement and control applications. It is available in sizes from 1/8 inch to 2 inches in diameter and wall thicknesses from 0.5 mm to 3 mm. This tubing offers strong resistance to high temperatures and corrosive environments.
High-pressure and high-temperature environments within boilers. Typical sizes are from 1/2 inch to 4 inches in diameter, with wall thicknesses of 1 mm to 8 mm. They exhibit excellent resistance to thermal cycling and oxidation.
Used in heat exchangers and other applications requiring bending and high thermal resistance. Sizes generally range from 1/2 inch to 2 inches in diameter. They are highly resistant to thermal stress and corrosion.
Designed for use in condenser systems where high heat resistance is critical. It comes in sizes from 1/2 inch to 3 inches in diameter and wall thicknesses from 0.5 mm to 4 mm. It provides excellent durability and resistance to corrosion and heat.
Used in applications where enhanced heat transfer is needed, such as in heat exchangers and radiators. Typical sizes are from 1/2 inch to 2 inches in diameter, with various fin lengths and thicknesses. They offer good resistance to oxidation and high temperatures.
Stainless Steel 309S Tubing is supplied with detailed test certificates, including Mill Test Certificates (MTC), material certificates, and third-party inspection reports to ensure compliance with industry standards. The tubing is securely packaged using protective materials such as wooden crates, coils, or plastic wraps to prevent any damage during transit. Delivery is efficient, with options for air, sea, or road shipping, ensuring timely and safe delivery to global destinations while maintaining product integrity throughout the process.
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