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Home > Stainless Steel >Stainless Steel 304 EFW pipes
Iris Pipes and Tubes, based in Cairo, Egypt, stands out as a reputable manufacturer and supplier of Stainless Steel 304 EFW Pipes. These pipes are well-known for their remarkable resistance to corrosion, impressive strength, and precise dimensions. Crafted using cutting-edge Electric Fusion Welding (EFW) techniques and top-quality stainless steel, they promise dependable performance and durability, even in the most demanding industrial and commercial settings. Designed to handle high pressure, extreme temperatures, and harsh environments, Stainless Steel 304 EFW Pipes are the go-to choice for industries that prioritize consistent quality and structural integrity. At Iris Pipes and Tubes, every product is made to meet global standards, ensuring exceptional performance and reliability.
The composition of Stainless Steel 304 EFW Pipes includes 18–20% chromium, 8–10.5% nickel, a maximum of 0.08% carbon, along with trace amounts of manganese, silicon, and iron. This blend grants them outstanding corrosion resistance, excellent weldability, and impressive toughness. In terms of mechanical properties, these pipes boast a tensile strength ranging from 515 to 750 MPa, a yield strength of 205 to 215 MPa, and an elongation of 40 to 50%, making them reliable for welded, structural, and pressure 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 | GOST |
| SS 304 | S30400 | 1.4301 | Z7CN18‐09 | X5CrNi18-10 | SUS 304 | 304S31 | 08Х18Н10 |
| Grade | C | Ni | Si | N | S | Mn | P | Cr | Mo | |
| SS 304 | min. | – | 8.0 | – | – | – | – | – | 18.0 | – |
| max. | 0.08 | 10.5 | 0.75 | 0.10 | 0.030 | 2.0 | 0.045 | 20.0 | ||
| Grade | Tensile Strength (MPa) min | Elongation (% in 50mm) min | Yield Strength 0.2% Proof (MPa) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| SS 304 | 515 | 40 | 205 | 92 | 201 |
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 304 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 | … | … | … | … |
| Grade | Density (kg/m3) | Specific Heat 0-1000C (J/kg.K) | Elastic Modulus (GPa) | Mean Coefficient of Thermal Expansion (m/m/0C) | Thermal Conductivity (W/m.K) | Electrical Resistivity (n.m) | |||
| 0-100°C | 0-315°C | 0-538°C | at 100°C | at 500°C | |||||
| 304 | 8000 | 500 | 193 | 17.2 | 17.8 | 18.4 | 16.2 | 21.5 | 720 |
We offer custom sizes for Stainless Steel 304 EFW Pipes 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 304 EFW Pipes commonly used across various sectors, including chemical processing, petrochemical, food and beverage, pharmaceuticals, and water treatment. They are perfect for piping systems, heat exchangers, boilers, pressure vessels, and structural components that demand high corrosion resistance, durability, and mechanical strength. These pipes ensure consistent, long-lasting performance, making them suitable for a wide array of industrial, commercial, and engineering applications.
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