Njabulo Stainless is a well-known manufacturer and supplier of Stainless Steel 904L Pipes, proudly based in Cape Town, South Africa. The company has built a solid reputation for its dedication to quality and precision, offering top-notch pipes that adhere to international standards for performance and durability. The Stainless Steel 904L Pipes from Njabulo Stainless are particularly recognized for their outstanding resistance to corrosion, especially in tough chemical and marine settings. Thanks to cutting-edge technology and rigorous quality control, the company serves various industries, including chemical processing, oil and gas, pharmaceuticals, and desalination, providing reliable and long-lasting piping solutions.
These Stainless Steel 904L Pipes are made up of iron, nickel (23–28%), chromium (19–23%), molybdenum (4–5%), copper (1–2%), and a low carbon content. This special blend gives them excellent resistance to reducing acids, chloride-induced corrosion, and pitting. They boast a tensile strength of around 490–710 MPa and a yield strength of 220 MPa, along with impressive elongation and toughness. Even at high temperatures, these pipes maintain exceptional mechanical stability and weldability, making them perfect for applications that involve strong acids and harsh environments.
| Standard | ASTM A312 |
| Outside Diameter | 6.00 mm OD up to 914.4 mm OD, Sizes up to 24″ NB available Ex-stock, OD Size Steel Tubes available Ex-stock |
| Thickness | 0.3mm – 50 mm, SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS |
| Type | Seamless / ERW / Welded / Fabricated Pipes |
| Form | Round, Square, Rectangular, Oval, Hydraulic Etc |
| Length | Single Random, Double Random & Required Length |
| End | Plain End, Beveled End, Treaded |
| Outside Finish | 2B, No.4, No.1, No.8 Mirror Finish for Stainless Steel Pipes, Finish as per customer Requirements |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | Cu |
| SS 904L | 0.020 max | 2.00 max | 1.00 max | 0.040 max | 0.030 max | 19.00 – 23.00 | 4.00 – 5.00 max | 23.00 – 28.00 | 1.00 – 2.00 |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 7.95 g/cm3 | 1510 °C (2750 °F) | Psi – 75,000 , MPa – 485 | Psi – 40,000 , MPa – 275 | 20 % |
Contact us to get a quick quote for your requirement.
We assures the highest quality standards in its Stainless Steel 904L pipes by higher grade testing procedures. Every pipe goes through extensive mechanical and chemical analysis, such as tensile, hardness, and corrosion resistance tests. All products are supplied along with relevant certificates like Mill Test Certificates (MTC) to assure the supplies are in accordance with international norms.
The SS 904L seamless pipe is a high-alloy austenitic stainless steel known for its exceptional corrosion resistance, making it ideal for harsh environments in chemical and marine industries.
The SS 904L welded pipe offers excellent corrosion resistance and strength, suitable for chemical processing, oil and gas, and marine applications, ensuring durability and reliability in harsh environments.
The SS 904L ERW pipe combines excellent corrosion resistance and high strength, making it ideal for chemical, petrochemical, and marine applications, offering durability and reliability in demanding environments.
The SS 904L EFW pipe provides superior corrosion resistance and high strength, ideal for chemical and petrochemical industries, ensuring durability and reliability in extreme environments and high-pressure applications.
The SS 904L rectangular pipe offers excellent corrosion resistance and high strength, ideal for structural and architectural applications in chemical, marine, and industrial environments, ensuring durability and longevity.
The SS 904L square pipe features high corrosion resistance and strength, making it suitable for structural, architectural, and industrial applications, particularly in harsh chemical and marine environments.
Stainless Steel 904L Pipes are extensively used in industries that demand high corrosion resistance and durability. They’re perfect for chemical plants, heat exchangers, marine equipment, and oil refinery systems. In the pharmaceutical and food sectors, these pipes are prized for their hygienic properties and resistance to contamination. Additionally, they find applications in seawater cooling systems, pulp and paper processing, and gas scrubbing installations. Their ability to endure strong oxidizing agents and extreme conditions makes 904L pipes a top choice for critical and high-performance industrial applications.







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