Stainless Steel 904L Pipes are crafted from a high-alloy austenitic stainless steel that stands out for its remarkable resistance to corrosion, particularly in tough environments filled with chlorides, acids, and seawater. These pipes are known for their exceptional toughness, great weldability, and long-lasting performance, making them perfect for critical industrial applications. With a low carbon content that boosts resistance to sensitization, along with high levels of nickel and molybdenum that enhance durability in reducing and aggressive conditions, Stainless Steel 904L Pipes are a go-to choice in various sectors. They find extensive use in chemical processing, oil and gas systems, seawater equipment, and the pharmaceutical industry, thanks to their reliability and extended service life.
These pipes are made up of high chromium, elevated nickel, and significant molybdenum content, along with a touch of copper and very low carbon. This unique combination offers excellent resistance to pitting, crevice corrosion, and stress corrosion cracking. On the mechanical side, they boast high tensile strength, good yield strength, and outstanding toughness, even at higher temperatures. Their structure allows for excellent formability, weldability, and stability under thermal stress, ensuring they perform dependably in corrosive and demanding 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 % |
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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 a popular choice for applications that demand extraordinary corrosion resistance. They shine in chemical processing plants, acid production units, fertilizer industries, and oil and gas refineries. In marine settings, you’ll find them in seawater cooling systems, desalination plants, and offshore piping. The pharmaceutical and food industries also favor 904L pipes for their hygienic and contamination-free fluid transport. Plus, they’re utilized in heat exchangers, pulp and paper processing, pollution control equipment, and specialized architectural structures where durability and corrosion resistance are essential.







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