Lecong Stainless is a reputable manufacturer and supplier based in Da Nang, Vietnam, specializing in high-quality Stainless Steel 439 Tubing that’s built to perform in tough industrial settings. This tubing is celebrated for its impressive corrosion resistance, durability, and heat stability, making it a go-to choice in industries that prioritize strength and reliability. Compared to standard grades, this ferritic stainless steel offers enhanced resistance to stress corrosion cracking, scaling, and oxidation. With state-of-the-art production facilities and rigorous quality control measures, Lecong Stainless guarantees that their Stainless Steel 439 Tubing meets international standards, ensuring it’s a trustworthy option for both local and global markets.
The composition of Stainless Steel 439 Tubing includes iron, chromium (17–19%), titanium, and low carbon content, which work together to provide exceptional resistance to oxidation and corrosion. The addition of titanium not only improves weldability but also prevents carbide precipitation, contributing to its long-lasting durability. This tubing boasts impressive mechanical properties, including a tensile strength of 380–450 MPa, a yield strength of around 205 MPa, and excellent elongation. Its ferritic microstructure ensures dimensional stability, toughness, and reliable performance even in high-temperature conditions. With its blend of strength, formability, and corrosion resistance, Stainless Steel 439 Tubing is a dependable choice for a wide range of industrial 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, Shashank 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 widely used in industries that require high strength, durability, and resistance to heat and corrosion. It’s commonly found in automotive exhaust systems, heat exchangers, power generation equipment, and industrial furnaces. In construction, it’s utilized for structural applications, cladding, and architectural designs. Its ability to resist scaling and oxidation at elevated temperatures makes it ideal for boilers and thermal processing systems. Plus, Stainless Steel 439 Tubing is also used in food processing, kitchens, and more, showcasing its versatility across various sectors.
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