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Home > Stainless Steel >Stainless Steel 904L EFW Pipes
Iris Pipes and Tubes, located in Cairo, Egypt, stands out as a top-notch manufacturer and supplier of Stainless Steel 904L EFW Pipes. These pipes are celebrated for their exceptional corrosion resistance, impressive strength, and durability, making them perfect for tough industrial settings. Crafted using Electric Fusion Welding (EFW) from high-quality super-austenitic 904L stainless steel, they boast precise dimensions, a fantastic surface finish, and long-lasting reliability. The team at Iris Pipes and Tubes utilizes cutting-edge production methods and rigorous quality control to guarantee consistent quality and performance. They cater to various industries, including chemical processing, petrochemical, power generation, and marine engineering, providing top-tier 904L EFW Pipes for critical high-performance piping needs.
The composition of Stainless Steel 904L EFW Pipes includes 19–23% chromium, 24–26% nickel, and 4–5% molybdenum, along with trace amounts of copper, manganese, silicon, and iron. This blend gives them remarkable mechanical properties, such as a tensile strength ranging from 500–700 MPa, yield strength between 215–360 MPa, and outstanding ductility, toughness, and corrosion resistance. The EFW manufacturing process guarantees uniform wall thickness, excellent weld integrity, and enhanced dimensional accuracy, making these pipes perfect for industrial applications that demand high reliability and long-term performance.
| Specification | ASTM A358 / ASME SA358 |
| Specification | A / SA358 CLASS 1, A / SA358 CLASS 2, A / SA358 CLASS 3, A / SA358 CLASS 4, A / SA358 CLASS 5 |
| Grades | 304, 304L, 304H, 309S, 310S, 316, 316L, 316H, 317L, 321, 321H, 347, 347H, 904L ETC. |
| Type | EFW, ELECTRIC FUSION WELDED |
| Outer Diameter Size | Electric Fusion Welded / ERW- 8″ NB To 110″ NB (Nominal Bore Size) |
| Wall Thickness | Schedule 10 To Schedule 160 (3 mm to 100 mm Thickness) |
| Length | 01 Meter to 12.5 Meters, Single Random Length, Double Random Length And Customize Size. |
| Ends | Plain Ends / Beveled Ends |
| Delivery Conditions | As Rolled, Formed, Stress Relieved, Annealed, Hardened, Tempered |
| Coating | Electropolish, Mechanical Polish, Satin Finish, Passivated |
| Dimension | All Pipes Is Manufactured and Inspected / Tested to the Relevant standards including ASTM and ASME |
| Value Added Services | Draw / Expansion / Machining / Sand Blasting / Shot Blasting / Heat Treatment |
| Packaging | Loose / Bundle / Wooden Pallet / Wooden Box / Plastic Cloth Wraps / Plastic End Caps / Beveled Protector |
| Material Test Certificate | Manufacturer Test Certificate As Per EN10204 3.1, 3.2 / Laboratory Test Certificate From NABL Approved Lab. / Under Third Party Inspection Agency Like SGS, TUV, DNV, LLOYDS, ABS ETC |
| STANDARD | UNS | WERKSTOFF NR. | AFNOR | EN | JIS | BS | KS |
| SS 904L | N08904 | 1.4539 | Z2 NCDU 25-20 | X1NiCrMoCu25-20-5 | SUS 904L | 904S13 | STS 317J5L |
| 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 |
| Grade | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| SS 904L | Psi – 71000, MPa – 490 | Psi – 32000, MPa – 220 | 35 % |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Choosing Stainless Steel 904L EFW Pipes from Iris Pipes and Tubes guarantees excellent corrosion resistance, high strength, and durability. Designed for diverse industrial applications, it delivers reliable performance in tough environments while maintaining competitive pricing for cost-effective solutions.
| NPS Designator | Outside Diameter | Nominal Wall Thickness | ||||||||
| in. | mm | Schedule 5SA | Schedule 10SA | Schedule 40SA | Schedule 80SA | |||||
| in. | mm | in. | mm | in. | mm | in. | mm | |||
| 8 | 8.625 | 219.08 | 0.109 | 2.77 | 0.148 | 3.76 | 0.322 | 8.18 | 0.500 | 12.70 |
| 10 | 10.750 | 273.05 | 0.134 | 3.40 | 0.165 | 4.19 | 0.365 | 9.27 | 0.500B | 12.70B |
| 12 | 12.750 | 323.85 | 0.156 | 3.96 | 0.180 | 4.57 | 0.375B | 9.52B | 0.500B | 12.70B |
| 14 | 14.000 | 355.60 | 0.156 | 3.96 | 0.188B | 4.78B | … | … | … | … |
| 16 | 16.000 | 406.40 | 0.165 | 4.19 | 0.188B | 4.78B | … | … | … | … |
| 18 | 18.000 | 457.20 | 0.165 | 4.19 | 0.188B | 4.78B | … | … | … | … |
| 20 | 20.000 | 508.00 | 0.188 | 4.78 | 0.188B | 4.78B | … | … | … | … |
| 22 | 22.000 | 558.80 | 0.188 | 4.78 | 0.218B | 5.54B | … | … | … | … |
| 24 | 24.000 | 609.60 | 0.218 | 5.54 | 0.250 | 6.35 | … | … | … | … |
| 30 | 30.000 | 762.00 | 0.250 | 6.35 | 0.312 | 7.92 | … | … | … | … |
| Specific Heat (0-100°C) | 450 | J.kg-1.°K-1 |
| Thermal Conductivity | 11.5 | W.m -1.°K-1 |
| Thermal Expansion | 15.8 | mm/m/°C |
| Modulus Elasticity | 190 | GPa |
| Electrical Resistivity | 9.52 | μohm/cm |
| Density | 7.95 | g/cm3 |
We offer custom sizes for Stainless Steel 904L EFW Pipe to meet your specific needs. Our dedicated team at Iris Pipes and Tubes provides tailored solutions for all your piping and tubing requirements. For more information, contact us at sales@irispipes.com.
You’ll find Stainless Steel 904L EFW Pipes commonly used in chemical and petrochemical plants, seawater desalination systems, power generation facilities, and pharmaceutical processing. They are particularly suited for piping systems, reactors, heat exchangers, and other applications that face aggressive chemicals, high chloride environments, or acidic conditions. With their superior mechanical strength, corrosion resistance, and durability, 904L EFW Pipes deliver safe, efficient, and long-lasting performance in critical industrial operations, making them the go-to choice for high-performance stainless steel piping solutions in challenging environments.
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