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Home > Stainless Steel >Stainless Steel 310H EFW Pipes
Impex Tube India, a Mumbai, India-based prominent manufacturer and supplier, provides top-quality stainless steel piping solutions to numerous industries. Among its popular products are Stainless Steel 310H EFW Pipes, renowned for their outstanding performance in high-temperature and corrosive environments. These pipes are produced by advanced Electric Fusion Welding (EFW) methods that provide precision, strength, and durable longevity. Impex Tube India is dedicated to providing stainless steel products that are of international standards, and SS 310H EFW Pipes are relied upon for their performance in thermal, structural, and high-pressure applications.
Stainless Steel 310H EFW Pipes are a variant of high-carbon SS 310 with around 24–26% chromium, 19–22% nickel, and 0.04–0.10% carbon. The higher carbon content increases the pipe’s creep strength and performance under elevated temperature conditions. The pipes possess superior mechanical properties, with tensile strength of approximately 520 MPa, yield strength of 205 MPa, and elongation of about 40%. The EFW technique of fabrication guarantees consistency in weld strength and dimensionality. In addition to excellent resistance to corrosion and oxidation, SS 310H EFW Pipes are perfect for uses with long exposure to high temperatures.
| 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. | JIS | BS | GOST | EN |
| SS 310H | S31009 | – | – | – | – |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | Fe |
| SS 310H | 0.04 – 0.10 | 2.0 max | 1.00 max | 0.045 max | 0.030 max | 24.00 – 26.00 | – | 19.00 – 21.00 | 53.885 mi |
| Grade | Tensile Strength | Yield Strength | Elongation | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| SS 310H | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 40 | 95 | 217 |
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 310H EFW Pipes from Impex Tube India 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 | … | … | … | |
| SS Pipes Grade | Tensile Strength, N/mm2 (min) | Yield Strength, N/mm2 (min) | Elongation, % (min) |
| TP310H | OD < 17,1 mm – 515; | OD < 17,1 mm – 205; | 35 |
| OD > 17,1 mm – 485 | OD > 17,1 mm – 170 |
We offer custom sizes for Stainless Steel 310H EFW Pipes to meet your specific needs. Our dedicated team at Impex Tube India provides tailored solutions for all your piping and tubing requirements. For more information, contact us at sales@impextubeind.com.
Stainless Steel 310H EFW Pipes are very popular in industries that require high-pressure and high-temperature resistance. They are found in power plants, petrochemical plants, and refineries for equipment such as superheaters, boiler tubes, and heat exchangers. Their carbon content is very high, which gives them greater strength for structural use in thermal and energy industries. SS 310H EFW Pipes also find application in furnaces, kilns, incinerators, and other combustion systems because of their ability to resist oxidation and scaling. The pipes are also utilized in the chemical processing sector to move hot and corrosive fluids and gases. Their thermal efficiency and durability make them perfectly suited for heavy-duty operations.
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