Njabulo Stainless, a trusted manufacturer and supplier based in Cape Town, South Africa, offers premium Stainless Steel 904L Tubing known for its exceptional corrosion resistance and durability. 904L tubing is ideal for demanding applications where acids, chemicals, or chloride-rich environments are present. Njabulo Stainless produces precision-engineered tubes with smooth surfaces, uniform thickness, and excellent dimensional accuracy. These tubes provide reliable performance in critical industrial processes, ensuring safe fluid transport and long service life. Industries such as chemical processing, marine engineering, oil and gas, pharmaceuticals, and power generation rely on 904L stainless steel tubing for efficient and safe operations.
Stainless Steel 904L Tubing is made from high-alloy stainless steel containing chromium (19–23%), nickel (23–28%), molybdenum (4–5%), and copper (1–2%) with very low carbon content. This composition ensures outstanding resistance to corrosion, pitting, and stress cracking, even in harsh chemical and marine environments. Mechanically, 904L tubing offers high tensile strength, toughness, and flexibility, maintaining integrity under high pressure and temperature. The smooth internal and external surfaces allow efficient fluid flow, easy cleaning, and long-lasting performance in both industrial and sanitary applications.
| Specifications | : | ASTM A/ASME SA213/ A249/ A269 |
| Dimensions | : | ASTM, ASME and API |
| SS 310/ 310S Tubes Size | : | 1/8″NB TO 30″NB IN |
| Schedule | : | SCH20, SCH30, SCH40, XS, STD, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
| Thickness | : | 0.35mm to 6.35mm OD in thickness ranging from 0.1mm to 1.2mm. |
| Form | : | Round, Rectangular, Square, Hydraulic Etc |
| Type | : | Seamless / Fabricated / ERW / Welded / LSAW Tubes |
| Length | : | Single Random, Double Random & Cut Length. |
| End | : | Plain End, Beveled End, Treaded |
| AISI 904L | Maximum | Minimum |
|---|---|---|
| Ni | 28.00 | 23.00 |
| C | 0.20 | – |
| Mn | 2.00 | – |
| P | 00.045 | – |
| S | 00.035 | – |
| Si | 1.00 | – |
| Cr | 23.0 | 19.0 |
| Mo | 5.00 | 4.00 |
| N | 00.25 | 00.10 |
| CU | 2.00 | 1.00 |
| Element | Grade 904L |
|---|---|
| Density | 8 |
| Melting Range | 1300 -1390 ℃ |
| Tensile Stress | 490 |
| Yield Stress (0.2%Offset) | 220 |
| Elongation | 35% minimum |
| Hardness (Brinell) | – |
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We practically assures its customers the top quality concerning their products, Stainless Steel 904L Tubing, with intension testing and certification measures. Each of these products is accompanied by elaborate quality checks ranging from the analysis of the material to tensile strength and corrosion resistance tests. With its international certification, the tubing guarantees excellent performance, performance reliability, and adherence to the demands of a specific industry.
Offering excellent corrosion resistance, Stainless Steel 904L Seamless Tubing is known for its uniformity and strength. It typically comes in sizes ranging from 6mm to 350mm in diameter and lengths of up to 6 meters. Ideal for applications requiring high pressure and corrosive resistance.
Stainless Steel 904L Welded Tubing provides superior resistance to chloride-induced stress corrosion cracking. Available in sizes from 10mm to 150mm in diameter and standard lengths of 6 meters. It is often used in industrial and chemical processing applications where weld strength is critical.
Featuring outstanding corrosion resistance, Stainless Steel 904L Heat Exchanger Tubes are used in demanding environments. Sizes typically range from 6mm to 50mm in diameter, with wall thickness varying from 1mm to 3mm. These tubes are designed for high temperature and pressure conditions.
Stainless Steel 904L Instrumentation Tubing offers excellent resistance to corrosion and is ideal for precise measurement systems. Common sizes include 1/8″ to 1/2″ in diameter and lengths up to 6 meters. It is suitable for high-pressure applications and harsh environments.
With superior resistance to both oxidation and corrosion, Stainless Steel 904L Boiler Tubes are used in high-pressure steam applications. Sizes typically range from 25mm to 100mm in diameter, with lengths of up to 6 meters. They are essential for maintaining efficiency in boiler systems.
Stainless Steel 904L U-tubes provide excellent resistance to corrosive fluids and are commonly used in heat exchangers. Standard sizes range from 10mm to 100mm in diameter with various lengths. They are designed to handle thermal expansion and contraction in dynamic environments.
Stainless Steel 904L Condenser Tubes are used in marine and power generation applications, offering exceptional resistance to seawater and acidic environments. Sizes typically range from 10mm to 50mm in diameter and lengths up to 6 meters, providing durability and efficiency.
Stainless Steel 904L Fin Tubes are designed for enhanced heat transfer and corrosion resistance in air-cooled heat exchangers. They are available in various diameters, commonly 25mm to 50mm, with fin lengths customizable to specific requirements, ensuring effective cooling in challenging environments.
Stainless Steel 904L Tubing is widely used in chemical processing, petrochemical, oil and gas, marine, and pharmaceutical industries. It is ideal for transporting corrosive fluids, acids, and saltwater safely and efficiently. In chemical and refinery plants, 904L tubing ensures leak-proof performance and long service life. In food, beverage, and pharmaceutical industries, it maintains hygienic conditions while handling liquids. The tubing is also used in heat exchangers, pressure vessels, and desalination plants, providing reliable, corrosion-resistant, and durable solutions for demanding applications where standard stainless steel tubing may fail.
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