Kyaw Stainless is a well-respected manufacturer and supplier located in Naypyidaw, Myanmar, specializing in high-quality Stainless Steel 309S Tubing. This tubing is specifically designed for applications that involve high temperatures and corrosive environments. Crafted with cutting-edge technology and top-notch materials, these tubes boast remarkable resistance to oxidation and corrosion, even when subjected to prolonged exposure to high heat. The Stainless Steel 309S Tubing not only offers impressive mechanical strength but also excels in formability and weldability, making it a perfect fit for challenging industrial settings. Kyaw Stainless is committed to ensuring that every product adheres to international quality standards, catering to sectors like petrochemical, power generation, chemical processing, and heat treatment with dependable and long-lasting tubing solutions.
The composition of Stainless Steel 309S Tubing mainly includes chromium (22–24%), nickel (12–15%), and a low carbon content of up to 0.08%, along with trace amounts of manganese (≤2%), silicon (≤1%), phosphorus, and sulfur. The lower carbon content enhances its weldability and reduces the risk of carbide precipitation. In terms of mechanical properties, it boasts a tensile strength of around 515 MPa, a yield strength of 205 MPa, and an elongation of about 40%. This alloy is known for its exceptional resistance to oxidation at temperatures up to 1000°C, along with high creep strength, toughness, and excellent thermal stability, even under cyclic heating conditions.
| 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 finds extensive use in industries that demand outstanding heat and corrosion resistance. It’s perfect for applications such as heat exchangers, furnace components, boiler tubes, and exhaust systems that operate at elevated temperatures. Additionally, this tubing is commonly used in petrochemical facilities, power generation plants, and thermal processing systems where exposure to oxidizing and carburizing environments is frequent. Thanks to its excellent weldability and durability, Stainless Steel 309S Tubing is the go-to choice for fabricating components like radiant tubes, reheater tubes, and flue gas systems that require high performance and reliability.
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