Ranya Stainless stands out as a top-notch manufacturer and supplier of premium Stainless Steel 309S Tubing in Muscat, Oman. They specialize in providing robust and dependable solutions tailored for high-temperature and industrial applications. Their seamless and welded 309S tubing adheres to international standards, guaranteeing exceptional strength, corrosion resistance, and thermal stability. This tubing is extensively utilized in sectors like chemical, petrochemical, power generation, furnace, and heat treatment industries. Ranya Stainless is committed to ensuring that each tube offers long-lasting operational reliability, along with resistance to oxidation, scaling, and corrosion. Their 309S tubing is specifically designed for demanding applications, making it a go-to choice for critical industrial systems throughout Oman and the Middle East.
Stainless Steel 309S Tubing is crafted from a high-alloy austenitic stainless steel that features chromium and nickel, which together provide remarkable resistance to oxidation, scaling, and corrosion even at elevated temperatures. The low carbon content helps reduce carbide precipitation during welding, while the alloy’s composition guarantees high tensile and yield strength, toughness, and mechanical durability in extreme conditions. These tubes are built to withstand thermal fatigue and maintain their structural integrity in high-temperature industrial settings. Both mechanically and chemically, 309S tubing is perfectly suited for use in furnaces, kilns, heat exchangers, and high-temperature piping systems, ensuring reliable, long-lasting performance in challenging 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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We ensures the highest quality stainless steel 309S tubing through rigorous testing procedures including mechanical, chemical and theoretical testing. Compliance with international standards is demonstrated by industry-standard documentation, such as material test certificates (MTCs). These certifications attest to the durability, strength and performance of the pipe.
Stainless Steel 309s Seamless Tubing is known for its 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.
Stainless Steel 309s Welded Tubing is ideal for applications requiring 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.
Stainless Steel 309s Heat Exchanger Tube is 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.
Stainless Steel 309s Instrumentation Tubing is 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.
Stainless Steel 309s Boiler Tubes are engineered for use in 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.
Stainless Steel 309s U-Tubes are 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.
Stainless Steel 309s Condenser Tube is 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.
Stainless Steel 309s Fin Tubes are 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 a popular choice in industries that demand heat-resistant, corrosion-resistant, and durable piping solutions. It’s particularly well-suited for high-temperature process piping, furnace systems, kilns, heat exchangers, and industrial ovens. Chemical, petrochemical, and power generation plants depend on 309S tubing for safe, efficient, and enduring operation in tough environments.







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