Niazi Stainless, a top-notch manufacturer and supplier based in Manama, Bahrain, specializes in high-quality Stainless Steel 439 Tubing. This tubing is crafted for exceptional corrosion resistance, strength, and durability, making it perfect for tough industrial and structural applications. Thanks to their advanced production methods and rigorous quality control, Niazi Stainless guarantees that each tube performs consistently and lasts a long time. Their SS 439 Tubing is built to endure high temperatures, oxidation, and chemical exposure, which makes it a great fit for challenging environments. Renowned for its precision, reliability, and commitment to international standards, Niazi Stainless has earned a reputation as a trusted provider of premium stainless steel tubing solutions throughout Bahrain and the GCC region.
Stainless Steel 439 Tubing is made from a ferritic stainless steel alloy that contains about 17–19% chromium, along with small amounts of titanium and molybdenum to boost corrosion resistance and structural stability. This tubing boasts impressive mechanical properties, including good tensile strength, hardness, and resistance to scaling at high temperatures. SS 439 maintains its shape under thermal cycling and offers excellent resistance to stress corrosion cracking. Its blend of toughness, durability, and heat resistance ensures reliable performance in demanding industrial, automotive, and structural applications.
| GRADES | TP 439 Stainless Steel Tubes / UNS S43035 / DIN 1.4510 |
| SIZE | 1/2″ NB to 24″ NB |
| STANDARDS | ASTM A213, ASTM A249, ASTM A554, ASTM A269, ASTM A270, ASTM A790, ASTM A789 |
| TYPE | Seamless Tubes, Welded Tubes, EFW Tubes, ERW Tubes, Fabricated Tubes, Cold Drawn Welded Tubes (CDW Tubes) |
| FORM | Round Tubes, Square Tubes, Rectangular Tubes, Oval Tubes, Hydraulic Tube, etc. |
| END | Plain End, Treaded, Beveled End |
| TOLERANCE on Length | Commercial Length: 6000mm +/- 30mm Fix Length: from 1200 mm up to 12000mm with a tolerance up to -0/+ 5mm |
| FINISH | Seamless, Welded, Brushed, Pickled, Solution Annealed and Pickled up to O.D. 219.1mm, Polished Grit 120 – 600, Mirror Polished |
| Element | 439 |
| Carbon | 0.030 |
| Chromium | 17.0-19.0 |
| Nickel | 0.50 |
| Manganese | 1.00 |
| Silicon | 1.00 |
| Nitrogen | 0.030 |
| Phosphorus | 0.040 |
| Sulfur | 0.030 |
| Aluminum | 0.15 |
| Titanium | 0.20 +4(C+N) min |
| Property | 439 |
| Yield Strength, min. (ksi) | 30 |
| Tensile Strength, min. (ksi) | 60 |
| Elongation, min. (%) | 22 |
| Hardness, max. (Rb) | 89 |
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We ensures top quality stainless steel 439 tubing through rigorous testing and certification programs. Each device undergoes extensive scrutiny, including mechanical and chemical analysis, to meet industry standards. Certified by the relevant authorities, Niazi stainless offers durability, corrosion resistance and performance for a variety of applications in various fields.
This tubing is manufactured without any seams or welds, ensuring a uniform structure and high strength. It is available in a range of sizes, typically from 1/8 inch to 4 inches in diameter. Known for its excellent corrosion resistance and durability in high-temperature applications.
Produced by welding flat sheets of stainless steel into a tube shape, this option is often more cost-effective than seamless tubing. It is available in sizes ranging from 1/4 inch to 8 inches in diameter. Offers good corrosion resistance and is suitable for less demanding environments.
Designed for use in heat exchangers, this tube type features enhanced thermal conductivity and resistance to thermal cycling. Commonly available in sizes from 1/2 inch to 2 inches in diameter. It provides good corrosion resistance and thermal stability.
Ideal for precise measurement and control applications, this tubing is available in small diameters, typically from 1/16 inch to 1 inch. It offers high corrosion resistance and maintains integrity under high pressure and temperature conditions.
Used in boilers for transporting steam and other fluids, these tubes are available in sizes from 1 inch to 4 inches in diameter. They are highly resistant to oxidation and corrosion at elevated temperatures.
Shaped in a U-form, these tubes are used in applications where a flexible connection is needed, often in heat exchangers. They come in sizes from 1/2 inch to 2 inches in diameter. Known for their resistance to corrosion and ability to handle thermal expansion.
This tube type is used in condensers for heat exchange processes, typically available in sizes ranging from 1/2 inch to 2 inches in diameter. It offers high resistance to corrosion and fouling in challenging environments.
Equipped with fins to enhance heat transfer efficiency, these tubes are available in various sizes, commonly from 1 inch to 3 inches in diameter. They offer good corrosion resistance and are used in applications requiring efficient heat dissipation.
You’ll find Stainless Steel 439 Tubing used in various applications that require heat, corrosion, and oxidation resistance. It’s commonly found in automotive exhaust systems, heat exchangers, boilers, and furnace components, thanks to its ability to handle high temperatures and harsh chemical environments. Industries like petrochemicals, power generation, and chemical processing rely on SS 439 tubing for piping and structural needs. Additionally, it’s utilized in industrial equipment, HVAC systems, and architectural projects. With its durability, thermal stability, and corrosion resistance, Stainless Steel 439 Tubing is an excellent choice for critical applications.
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