MERIH STAINLESS, located in Istanbul, Turkey, stands out as a top manufacturer and supplier of premium Stainless Steel 904L Pipes. Crafted from a high-alloy, non-stabilized austenitic stainless steel grade, these pipes boast remarkable resistance to corrosion, even in harsh environments. The inclusion of copper boosts their ability to withstand reducing acids like sulfuric and phosphoric acids. With a low carbon content, 904L stainless steel is not only easy to weld but also resistant to intergranular corrosion. MERIH STAINLESS guarantees that every pipe adheres to international standards for performance under high temperatures, pressure, and corrosive conditions, making them perfect for demanding applications across various industries.
Stainless Steel 904L Pipes are made up of about 23% nickel, 19% chromium, 4.5% molybdenum, and 1.5% copper. This unique blend offers outstanding resistance to corrosion, including pitting and crevice corrosion in chloride-rich environments. The pipes have a yield strength of roughly 220 MPa and a tensile strength of around 490 MPa. They also maintain good toughness at low temperatures, ensuring they hold up in conditions ranging from -50°C to 300°C. The low carbon content reduces the risk of sensitization during welding, providing dependable performance in critical applications.
| 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 find their place in industries where high corrosion resistance is a must. They are commonly used in chemical processing, pharmaceutical production, marine settings, and pollution control systems. These pipes excel at handling aggressive substances like sulfuric acid, phosphoric acid, and acetic acid. Additionally, they are employed in heat exchangers, bleaching systems, and pollution control equipment. Their impressive resistance to chloride stress corrosion cracking makes them ideal for use in seawater and other chloride-heavy environments.







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