Ranya Stainless stands out as a top-notch manufacturer and supplier of premium Stainless Steel 309 Tubing in Muscat, Oman. They specialize in providing robust and dependable solutions tailored for high-temperature and industrial applications. Their seamless and welded 309 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 and is resistant to oxidation, scaling, and corrosion. Their 309 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 309 Tubing is crafted from high-alloy austenitic stainless steel, enriched with chromium and nickel, which provides remarkable resistance to oxidation, scaling, and corrosion even at elevated temperatures. The unique alloy composition delivers impressive tensile and yield strength, along with toughness and mechanical durability in extreme conditions. These tubes are built to withstand thermal fatigue while maintaining their structural integrity in high-temperature industrial settings. Both mechanically and chemically, 309 tubing is perfectly suited for use in furnaces, kilns, heat exchangers, and high-temperature piping systems, ensuring secure, long-lasting, and reliable performance across various demanding applications.
| Specifications | ASTM A/ASME SA213 / A249 / A269 |
| Dimensions | ASTM, ASME and API |
| SS 309 Tubes Size | 10.29 OD (mm) – 762 OD (mm) |
| Thickness | 0.35 OD (mm) to 6.35 OD (mm) in thickness ranging from 0.1mm to 1.2mm. |
| Schedule | SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
| Type | Seamless / ERW / Welded / Fabricated |
| Form | Round Tubes, Custom Tubes, Square Tubes, Rectangular Tubes, “U” Shape, Hydraulic Tubes |
| Length | Single Random, Double Random & Cut Length. |
| End | Plain End, Beveled End, Treaded |
| Grade | 309 | |
|---|---|---|
| min | max | |
| C | – | 0.20 |
| Mn | – | 2 |
| Si | – | 1 |
| P | – | 0.045 |
| S | – | 0.030 |
| Cr | 18.0 | 23.0 |
| Mo | – | – |
| Ni | 8.0 | 14.0 |
| N | – | – |
| Grade | 309 | |
|---|---|---|
| Tensile Strength (MPa) min | 620 | |
| Yield Strength 0.2% Proof (MPa) min | 310 | |
| Elongation (% in 50mm) min | 45 | |
| Hardness | Rockwell B (HR B) max | 85 |
| Brinell (HB) max | 169 | |
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We provides quality tested Stainless Steel 309 Tubing. All tubing is subjected to dimensional, mechanical and chemical analysis and tested to all industry standards for performance and durability. Compliance certificates are issued along with the products, which assures the strength and reliability of the product for multiple applications in any industry.
Stainless Steel 309 Seamless Tubing offers excellent corrosion resistance and is available in sizes ranging from 1/8″ to 12″ nominal diameter. It is ideal for high-temperature applications, with superior strength and durability. This tubing type ensures leak-free connections due to its seamless construction.
Stainless Steel 309 Welded Tubing provides good corrosion resistance and is available in sizes from 1/8″ to 24″ nominal diameter. It is produced by welding rolled strips of 309 stainless steel, making it cost-effective for various industrial applications. The welded joints are robust, ensuring long-term reliability.
Stainless Steel 309 Heat Exchanger Tube excels in high-temperature environments and comes in sizes from 1/4″ to 12″ outer diameter. Its excellent corrosion resistance makes it suitable for chemical processing and power generation industries. This tubing ensures efficient heat transfer and durability in demanding conditions.
Stainless Steel 309 Instrumentation Tubing, available in sizes from 1/8″ to 1″ nominal diameter, offers superior corrosion resistance and precision. It is ideal for use in high-pressure and high-temperature instrumentation systems. The smooth internal surface ensures accurate and reliable fluid flow.
Stainless Steel 309 Boiler Tubes provide exceptional corrosion resistance and are available in sizes from 1/4″ to 5″ outer diameter. They are designed to withstand high temperatures and pressures in boiler systems. These tubes offer longevity and efficiency in steam generation and other heat-related processes.
Stainless Steel 309 U-Tubes, with sizes ranging from 1/4″ to 3″ outer diameter, offer excellent corrosion resistance and are shaped for efficient heat exchange in compact spaces. They are widely used in heat exchangers, condensers, and economizers. Their U-shape design ensures optimal thermal performance.
Stainless Steel 309 Condenser Tube provides high corrosion resistance and is available in sizes from 1/4″ to 2″ outer diameter. It is used in condensers for efficient heat transfer in various industrial processes. This tubing type ensures durability and performance in corrosive environments.
Stainless Steel 309 Fin Tubes, available in sizes from 1/4″ to 3″ outer diameter, offer excellent corrosion resistance and enhanced heat transfer efficiency. The finned design increases the surface area, making them ideal for heat exchangers and cooling systems. These tubes provide reliable performance in high-temperature applications.
Stainless Steel 309 Tubing finds its place in industries that require 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 309 tubing for safe, efficient, and enduring operation even under harsh conditions. Additionally, it plays a vital role in metallurgy, food processing, and other sectors where reliability is key.
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