Home > Stainless Steel > Stainless Steel 347 and 347H Electropolished Pipes
Laila Pipes, a top-notch manufacturer and supplier based in Muscat, OMAN, specializes in high-quality Stainless Steel 347 and 347H Electropolished Pipes. These pipes are crafted for high-temperature, corrosion-resistant, and hygienic applications. Built to meet international standards, they boast remarkable durability, tensile strength, and resistance to oxidation, intergranular corrosion, and stress corrosion cracking. Laila Pipes takes pride in their superior quality, achieved through advanced electropolishing techniques, precise dimensional control, and rigorous quality testing. This results in pipes that feature smooth, polished finishes, consistent wall thickness, and enhanced surface hygiene. You’ll find these pipes widely utilized in the petrochemical, chemical processing, pharmaceutical, and food & beverage industries, especially for critical high-temperature and clean applications.
The Stainless Steel 347 and 347H Electropolished Pipes are made from titanium-stabilized austenitic stainless steel, which includes chromium, nickel, and titanium. The 347H variant stands out with its higher carbon content, offering better high-temperature strength and creep resistance. Electropolishing not only boosts corrosion resistance but also eliminates surface imperfections, enhancing the smoothness and cleanliness of the pipe surface. On the mechanical side, these pipes deliver excellent tensile and yield strength, toughness, and fatigue resistance, all while ensuring good weldability and dimensional stability, making them perfect for demanding industrial and hygienic settings.
| Specifications | : | ASTM A/ASME SA249/A269/A270 |
| Dimensions | : | ASTM, ASME, and API |
| SS 347 and 347H Pipes Size | : | 1/8″NB TO 30″NB IN |
| Thickness | : | 1mm to 20mm, SCH 5/5S, 10/10S, 20/20S, 40/40S, 80/80S, 120/120S, 160/160S as per ANSI B36.19/36.10 |
| Finish | : | BA Finish inside and outside, Electropolished finish inside and outside |
| Type | : | Electropolished Pipes & Tubes |
| Form | : | Round, Square, Rectangular, Hydraulic Etc |
| Length | : | Up to 6 meters, custom cut lengths |
| Grade | C | Mn | Si | P | S | Cr | Cb | Ni | Fe |
| SS 347 | 0.08 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 – 20.00 | 10xC – 1.10 | 9.00 – 13.00 | 62.74 min |
| SS 347H | 0.04 – 0.10 | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 – 19.00 | 8xC – 1.10 | 9.0 -13.0 | 63.72 min |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.0 g/cm3 | 1454 °C (2650 °F) | Psi – 75000, MPa – 515 | Psi – 30000, MPa – 205 | 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 347 and 347H Electropolished Pipes from Laila 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.
Laila Pipes and Tubes, a leading manufacturer and supplier of Stainless Steel 347 and 347H Electropolished Pipes in Muscat, OMAN, offers a comprehensive range of high-quality pipes and tubing suitable for various industrial applications. Our extensive inventory and commitment to exceptional service make us a trusted choice for regional products.
| STANDARD | WERKSTOFF NR. | UNS | JIS | GOST | EN |
| SS 347 | 1.4550 | S34700 | SUS 347 | 08Ch18N12B | X6CrNiNb18-10 |
| SS 347H | 1.4961 | S34709 | SUS 347H | – | X6CrNiNb18-12 |
We offer custom sizes for Stainless Steel 347 and 347H Electropolished Pipes to meet your specific needs. Our dedicated team at Laila Pipes and Tubes provides tailored solutions for all your piping and tubing requirements. For more information, contact us at sales@lailapipes.com.
These Stainless Steel 347 and 347H Electropolished Pipes are extensively used in chemical and petrochemical plants, pharmaceutical production, and food & beverage processing, where corrosion resistance and surface cleanliness are paramount. They also find applications in high-temperature piping systems, boilers, heat exchangers, and pressure vessels that require long-lasting strength and hygienic performance. Additionally, they are well-suited for marine and high-purity applications, where durability, smooth surfaces, and reliability are crucial. Their blend of mechanical strength and corrosion resistance makes them a go-to choice for various industries.
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