- sales@ojaspipesandtubes.co.in
- Kolkata, Kolkata
Home > Stainless Steel >Stainless Steel 310H EFW Pipes
Ojas Pipes and Tubes, a prominent manufacturer and supplier located in Kolkata, India, is dedicated to providing high-quality Stainless Steel 310H EFW Pipes. Renowned for their unwavering commitment to quality, reliability, and precision, Ojas caters to a diverse array of industries, including petrochemical, power generation, and high-temperature processing. The Stainless Steel 310H EFW (Electric Fusion Welded) Pipes are crafted for exceptional strength and resistance to extreme heat and oxidation. With a state-of-the-art production facility and strict adherence to international standards, Ojas Pipes and Tubes guarantees that every product meets the rigorous demands of clients both domestically and internationally.
Stainless Steel 310H EFW Pipes are composed of 24–26% chromium, 19–22% nickel, and up to 0.10% carbon, providing outstanding high-temperature strength and corrosion resistance. These pipes are specifically designed for high-temperature applications, featuring enhanced creep resistance. They typically showcase a tensile strength of around 515 MPa, yield strength of 205 MPa, and an elongation of 40%. The EFW process guarantees consistent welds, structural integrity, and smooth finishes, making them perfect for pressure and structural applications in high-heat settings. Their unique composition makes them particularly well-suited for environments prone to oxidation and thermal cycling.
| 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 Ojas 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 | … | … | … | |
| 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 Ojas Pipes and Tubes provides tailored solutions for all your piping and tubing requirements. For more information, contact us at sales@ojaspipesandtubes.co.in.
Stainless Steel 310H EFW Pipes find extensive use in high-temperature industrial applications due to their remarkable oxidation resistance and thermal strength. They are commonly utilized in furnace components, heat exchangers, superheaters, boilers, and petrochemical processing systems. These pipes excel in environments with continuous heating, such as refinery furnaces and combustion chambers. Additionally, they are employed in power plants, cement kilns, and chemical reactors. With their robust mechanical performance and resistance to scaling at temperatures reaching up to 1150°C, 310H EFW pipes offer a dependable solution for critical applications.
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