Mbemba Stainless is a top-notch manufacturer and supplier located in Kinshasa, Congo, specializing in a wide array of high-quality stainless steel products aimed at achieving industrial excellence. One of their standout offerings is the Stainless Steel 439 Tubing, known for its exceptional corrosion resistance, heat stability, and formability. These tubes are expertly designed to perform reliably in high-temperature and oxidizing environments while keeping their structural integrity intact. With cutting-edge technology and rigorous quality control, Mbemba Stainless guarantees durable and high-performing tubing solutions for various industries, including automotive, exhaust systems, heat exchangers, and power generation throughout Central Africa.
The Stainless Steel 439 Tubing from Mbemba Stainless primarily consists of iron, chromium (17–19%), and titanium stabilizers, along with minor amounts of molybdenum, silicon, and manganese. This ferritic stainless steel grade is particularly effective against oxidation and chloride attack, enhancing its corrosion resistance. The tubing boasts a tensile strength of approximately 415 MPa and a yield strength of around 275 MPa. It also showcases excellent ductility, weldability, and thermal stability, all while maintaining toughness and structural integrity in high-temperature and corrosive conditions.
| 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, Mbemba 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.
Widely utilized in applications demanding corrosion resistance and heat stability, the Stainless Steel 439 Tubing from Mbemba Stainless is perfect for automotive exhaust systems, catalytic converters, and heat exchangers due to its ability to endure high temperatures. These tubes are also employed in power plants, boilers, and the chemical processing industry. Their remarkable formability and weldability make them ideal for both structural and mechanical applications. With Mbemba Stainless 439 tubing, you can expect long-lasting performance, lower maintenance needs, and reliability, making it a go-to choice for industrial and engineering settings.
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