Walid Stainless, based in Tunis, Tunisia, is a leading manufacturer and supplier of premium stainless steel products. Among their high-performance offerings are Stainless Steel 904L Pipes, designed for applications demanding exceptional corrosion resistance, strength, and durability. Known for their reliability in highly aggressive and corrosive environments, these pipes are ideal for chemical, petrochemical, and marine industries. At Walid Stainless, each pipe is crafted with precision and undergoes strict quality control, ensuring consistent performance. Clients trust 904L Pipes for long-lasting, safe, and high-performing solutions, making them an excellent choice for critical industrial and commercial projects.
Stainless steel 904L pipes are made of highly alloyed austenitic stainless steel, containing approximately 23-28% chromium, 4.5-5.5% nickel, 1-2% molybdenum and 1-2% copper This design ensures durability do not edge well , especially in aggressive environments such as acid-chloride concentrations. Mechanical properties of 904L stainless steel include 520 MPa tensile strength, 220 MPa yield strength and 40% elongation at 50 mm Due to exceptional hardness and form ability these pipes are ideal for applications requiring high resistance to pitting, cracking corrosion and stress corrosion cracking
| 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 widely used in industries requiring high-performance, corrosion-resistant piping solutions. They are ideal for chemical processing equipment, desalination plants, heat exchangers, marine applications, and pipelines exposed to strong acids or chloride-rich environments. Their excellent corrosion resistance ensures long-term durability, reliability, and safety under harsh conditions. Engineers and technicians rely on 904L Pipes for transporting aggressive chemicals, seawater, or other corrosive fluids while maintaining structural integrity. Walid Stainless guarantees that every pipe meets stringent quality standards, providing a dependable solution for industrial, chemical, and marine applications where superior corrosion resistance and long-term performance are essential.
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