Ranya Stainless, located in Muscat, Oman, is a trusted manufacturer and supplier of high-quality Stainless Steel 439 Pipes designed for long-lasting performance in both industrial and commercial applications. With a strong focus on precision engineering and consistent product quality, the company delivers pipes that offer excellent corrosion resistance, heat stability, and durability. Their Stainless Steel 439 Pipes are produced using advanced technology to ensure smooth performance, dimensional accuracy, and reliability under demanding conditions. Ranya Stainless continues to earn customer confidence by offering superior products, timely delivery, and professional service across various industries.
Stainless Steel 439 Pipes are primarily composed of chromium and iron, with titanium added to improve stabilization and resistance to intergranular corrosion. This ferritic grade offers enhanced oxidation resistance and strong performance at elevated temperatures. Mechanically, SS 439 provides good tensile strength, excellent formability, and moderate hardness, making it suitable for applications requiring both durability and thermal stability. Its low carbon content ensures improved weldability and reduced risk of carbide precipitation. Overall, Stainless Steel 439 Pipes deliver a reliable combination of corrosion resistance, structural integrity, and heat tolerance.
| Specifications | ASTM A/ASME SA268/A731 CL |
| Dimensions | ASTM, ASME and API |
| Schedule | SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
| Wall Thickness | Sch 5s, 10s, 40s, 80s, 160, XXS |
| Size – Seamless 439 Pipes | 1/2″NB – 24″NB |
| ERW 439 Pipes | 1/2″ NB – 24″ NB |
| EFW 439 Pipes | 6″ NB – 100″ NB |
| Form | Round, Square, Rectangular, Hydraulic Etc |
| Types | Seamless / ERW / Welded / Fabricated / LSAW Pipes |
| End | Plain End, Beveled End, Treaded |
| Length | Single Random, Double Random & Cut Length. (Custom Sizes Available as per customers requirement) |
| Grade | C | Mn | Si | P | S | Cr | MO | Ni | CU | |
| 439 | Min | – | – | – | – | – | 12.0 | – | – | – |
| max | 0.15 | 1.00 | 1.00 | 0.04 | 0.03 | 14.0 | – | – | – | |
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) | Brinell (HB) | ||||
| 439 | 95,000 | 50,000 | 25 | – | 175 |
Contact us to get a quick quote for your requirement.
We ensures the highest quality standards for Stainless Steel 439 Pipes through rigorous testing and certification processes. Every pipe goes through extensive tests, including chemical analysis, mechanical testing, and dimensional inspection. In this regard, we provide suitable certificates like Mill Test Certificate (MTC) and ISO certifications to make sure every product stands as a reliable brand and follows the market norms.
Stainless Steel 439 Square Pipes offer excellent corrosion resistance and are used in applications requiring a robust structure. They typically come in sizes ranging from 1/2″ to 8″, with wall thicknesses varying based on the application.
These pipes offer superior corrosion resistance and are used in high-temperature environments. They are available in sizes from 1/4″ to 12″ in diameter, with wall thicknesses ranging from 0.5mm to 20mm.
Providing good corrosion resistance, these pipes are manufactured using the electric resistance welding process. They are available in sizes from 1″ to 12″ in diameter, with various wall thicknesses for different pressure ratings.
These pipes, known for their corrosion resistance, are produced by longitudinal submerged arc welding. Sizes typically range from 6″ to 48″ in diameter, with wall thicknesses from 5mm to 25mm.
Offering excellent corrosion resistance, these pipes are used in various industries. They come in sizes from 1/4″ to 12″ in diameter, with wall thicknesses ranging from 1mm to 15mm.
These pipes exhibit good corrosion resistance and are made by welding flat plates. They are available from 1″ to 24″ in diameter, with wall thicknesses tailored to specific pressure and temperature requirements.
Stainless Steel 439 Pipes are widely used in industries that require high heat resistance, corrosion protection, and structural stability. They are commonly applied in automotive exhaust systems, heat exchangers, industrial ventilation lines, and furnace components due to their excellent performance at elevated temperatures. These pipes are also suitable for household appliances, building structures, chemical processing equipment, and fluid-handling systems. Their ability to resist scaling and oxidation makes them ideal for environments involving continuous heat exposure. With durability and long service life, Stainless Steel 439 Pipes offer dependable performance across manufacturing, engineering, and thermal processing applications.
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