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Home > Stainless Steel >Stainless Steel 904L EFW Pipes
Liam Pipes and Tubes, located in Houston, USA, has earned a solid reputation as a reliable manufacturer and supplier of Stainless Steel 904L EFW Pipes. They specialize in providing top-notch welded piping solutions designed for extremely corrosive and high-temperature environments. By utilizing cutting-edge Electric Fusion Welding (EFW) technology, Liam crafts 904L pipes that boast remarkable structural integrity, corrosion resistance, and precise dimensions. These pipes find their place in various industries, including chemical processing, offshore engineering, gas scrubbing, and pharmaceuticals, where the ability to withstand sulfuric acid and chloride-induced corrosion is crucial. All 904L EFW pipes are produced in accordance with ASTM and ASME standards, guaranteeing quality and performance even in the harshest operating conditions.
Stainless Steel 904L EFW Pipes are crafted from a low-carbon, high-alloy austenitic stainless steel that includes chromium (19–23%), nickel (23–28%), molybdenum (4–5%), and copper (1–2%), with iron serving as the base metal. These pipes demonstrate impressive tensile strength ranging from 490 to 710 MPa, yield strength exceeding 220 MPa, and outstanding ductility and toughness. The EFW process ensures a robust, clean weld that retains corrosion resistance even in the weld area. With its exceptional resistance to pitting, crevice corrosion, and acid attacks, 904L is the perfect choice for demanding chemical and marine service 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 Liam 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 Liam Pipes and Tubes provides tailored solutions for all your piping and tubing requirements. For more information, contact us at sales@liampipes.us.
Stainless Steel 904L EFW Pipes are perfectly suited for highly corrosive environments across various industries, including chemical processing, oil & gas, offshore drilling, pharmaceuticals, and pulp & paper. These pipes are commonly utilized in acid piping, pressure vessels, scrubbers, heat exchangers, and marine structures, especially where resistance to sulfuric acid, hydrochloric acid, and saline conditions is vital. The EFW manufacturing technique ensures excellent weld quality, making 904L EFW pipes a dependable choice for low- to medium-pressure systems that require robust corrosion protection.
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