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Irfan Pipes and Tubes, located in Istanbul, Turkey, has earned a solid reputation as a reliable manufacturer and supplier of Stainless Steel 904L EFW Pipes. These pipes are designed to deliver top-notch performance in industries that face highly corrosive conditions. Renowned for their exceptional resistance to strong reducing acids and chloride attacks, they are crafted from high-alloy austenitic stainless steel, ensuring they last long and perform consistently. With a focus on precision engineering and strict adherence to global quality standards, Irfan Pipes and Tubes provides Stainless Steel 904L EFW Pipes that blend durability, strength, and outstanding corrosion resistance, making them a go-to option in sectors like chemical, petrochemical, marine, and power generation.
The composition of Stainless Steel 904L EFW Pipes includes high levels of chromium, nickel, molybdenum, and copper, which grant them remarkable resistance to corrosion from sulfuric acid, phosphoric acid, and seawater. Their low carbon content enhances weldability, while the addition of molybdenum boosts their resistance to pitting and crevice corrosion. On the mechanical side, these pipes showcase impressive tensile and yield strength, toughness, and durability, even in extreme operating conditions. The EFW (Electric Fusion Welded) construction guarantees precise dimensional accuracy, uniformity, and structural integrity, making them a cost-effective yet dependable choice for critical industrial applications.
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 Irfan 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 Irfan Pipes and Tubes provides tailored solutions for all your piping and tubing requirements. For more information, contact us at sales@irfanpipes.com.
Stainless Steel 904L EFW Pipes find extensive use in industries that require durability in harsh environments. In the chemical and petrochemical sectors, they are essential for transporting strong acids and corrosive substances. The marine industry relies on them for seawater cooling systems, desalination plants, and shipbuilding, where saltwater resistance is crucial. In the oil and gas industry, they are utilized in refineries, offshore platforms, and processing units. Additionally, the power generation and pulp & paper industries depend on these pipes for their efficiency and longevity, making them a versatile option for demanding applications.
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