Home > Stainless Steel > Stainless Steel 347 and 347H Electropolished Pipes
Blundell Pipes and Tubes, located in Hamilton, New Zealand, has earned a solid reputation as a reliable manufacturer and supplier of top-notch Stainless Steel 347 and 347H Electropolished Pipes. With a focus on precision engineering and rigorous quality control, this company produces pipes that boast outstanding corrosion resistance, a superior surface finish, and impressive durability. Thanks to their cutting-edge electropolishing technology, Blundell guarantees pipes that are not only clean but also incredibly smooth, making them perfect for even the toughest industrial settings. Their dedication to reliability, innovation, and a customer-first approach has made Blundell Pipes and Tubes a go-to choice for stainless steel piping solutions across various industries in New Zealand and beyond.
The Stainless Steel 347 and 347H Electropolished Pipes are primarily made from chromium, nickel, and columbium-stabilized austenitic stainless steel, which provides excellent resistance to intergranular corrosion. The 347H variant features a higher carbon content, enhancing its strength at elevated temperatures. These pipes offer remarkable mechanical properties, including high tensile and yield strength, good creep resistance, and improved structural stability when exposed to thermal stress. The electropolishing process further boosts their surface smoothness, hygiene, and corrosion resistance, making them ideal for critical applications that require both purity and durability.
| 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 Blundell 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.
Blundell Pipes and Tubes, a leading manufacturer and supplier of Stainless Steel 347 and 347H Electropolished Pipes in Hamilton, New Zealand, 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 Blundell Pipes and Tubes provides tailored solutions for all your piping and tubing requirements. For more information, contact us at sales@blundellpipes.co.nz.
You’ll find Stainless Steel 347 and 347H Electropolished Pipes widely used in industries that demand high corrosion resistance, thermal stability, and hygienic performance. They are particularly well-suited for chemical processing, petrochemical plants, and refineries, thanks to their ability to endure high temperatures and corrosive environments. In the pharmaceutical, food processing, and biotechnology sectors, their electropolished surfaces ensure cleanliness and contamination-free fluid transport. These pipes are also essential in heat exchangers, power generation units, and aerospace components, where strength and resistance to oxidation are crucial. Their reliability makes them a top choice for a variety of demanding applications.
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