Khaled Stainless is a reputable manufacturer and supplier located in Cairo, Egypt, specializing in high-quality Stainless Steel 439 Tubing. This tubing is crafted to provide outstanding corrosion resistance, heat stability, and long-lasting durability. With a commitment to precision manufacturing and strict compliance with international standards, the company guarantees that each 439 tube boasts excellent dimensional accuracy, mechanical strength, and dependable performance. Utilizing advanced fabrication techniques, these tubes are perfect for applications that encounter moderate temperatures and oxidizing environments. Khaled Stainless caters to various industries, including automotive, heat exchangers, industrial fabrication, and household appliances, offering reliable stainless steel tubing solutions for a diverse array of engineering requirements.
Stainless Steel 439 Tubing is composed of a ferritic stainless steel alloy enriched with high chromium content and titanium stabilization. This unique composition prevents chromium carbide precipitation and boosts resistance to intergranular corrosion. These tubes provide good tensile and yield strength, impressive thermal conductivity, and moderate corrosion resistance in both atmospheric and mildly corrosive settings. The ferritic structure guarantees dimensional stability, oxidation resistance, and protection against stress corrosion cracking. Additionally, Stainless Steel 439 Tubing is known for its excellent weldability and formability, making it ideal for fabrication, bending, and various industrial processes.
| 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, Khaled 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 that demand heat resistance, moderate corrosion protection, and mechanical reliability, Stainless Steel 439 Tubing finds its place in automotive exhaust systems, heat exchangers, furnace components, and HVAC systems. They are also commonly used in household appliances, industrial ducting, water heating systems, and decorative fabrication where moderate corrosion resistance and structural stability are essential. The combination of thermal stability, mechanical strength, and corrosion resistance makes Stainless Steel 439 Tubing a top choice for many engineering projects.
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