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Home > Stainless Steel > Stainless Steel 347/347H Heat Exchanger Tubing
Bereket Pipes, a trusted manufacturer and supplier based in Addis Ababa, Ethiopia, offers high-quality Stainless Steel 347/347H Heat Exchanger Tubing designed for superior performance in demanding industrial environments. These tubes are engineered to provide excellent resistance to intergranular corrosion, oxidation, and high-temperature creep. With precise dimensions, durable construction, and exceptional thermal conductivity, Bereket Pipes ensures reliable and efficient heat transfer solutions. Their Stainless Steel 347/347H Heat Exchanger Tubing is widely recognized for its consistent quality, long service life, and suitability for a range of industrial heat exchanger systems.
The Stainless Steel 347/347H Heat Exchanger Tubing is composed of chromium (17–19%), nickel (9–13%), columbium (niobium), and a higher carbon content in 347H to boost high-temperature strength. It boasts a tensile strength of approximately 515 MPa, a yield strength of around 205 MPa, and impressive elongation of up to 40%. This alloy showcases excellent mechanical stability, high creep resistance, and outstanding resistance to oxidation and sensitization, particularly during prolonged exposure to elevated temperatures in heat transfer and processing applications.
Range : 10 mm OD to 50.8 mm OD
Outer Diameter : 6.00 mm to 101.60 mm
Wall Thickness : 0.70 mm to 8.00 mm
Length : up to 20 m (65.62 ft) Length & Customed Required Length
Specifications : ASTM A 213, A 268, A 269, A 789, Equivalent to ASME, EN, JIS Etc.
| Element | SS 347 | SS 347H |
| C | 0.08 max | 0.04 – 0.10 |
| Mn | 2.0 max | 2.0 max |
| Si | 1.0 max | 1.0 max |
| P | 0.045 max | 0.045 max |
| S | 0.030 max | 0.030 max |
| Cr | 17.00 – 20.00 | 17.00 – 19.00 |
| N | 10xC – 1.10 | 8xC – 1.10 |
| Ni | 9.00 – 13.00 | 9.0 -13.0 |
| Ti | 62.74 min | 63.72 min |
| Element | SS 347 | SS 347H |
| Density | 8.0 g/cm3 | 8.0 g/cm3 |
| Melting Point | 1454 °C (2650 °F) | 1454 °C (2650 °F) |
| Tensile Strength | Psi – 75000 , MPa – 515 | Psi – 75000 , MPa – 515 |
| Yield Strength (0.2%Offset) | Psi – 30000 , MPa – 205 | Psi – 30000 , MPa – 205 |
| Elongation | 35 % | 35 % |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
This tubing is widely utilized in the chemical processing, petroleum refining, and power generation sectors, where heat and corrosion resistance are crucial. It’s perfect for heat exchangers, condensers, boilers, and pressure vessels that operate under high temperatures. The tubing performs reliably in environments with acids, steam, and oxidizing agents. Moreover, it’s also suitable for aerospace, marine, and thermal processing systems that require durable and long-lasting tubing solutions capable of withstanding cyclic thermal and mechanical stress.
Bereket Pipes and Tubes, one of the largest suppliers of Stainless Steel 347/347H Heat Exchanger Tubing in Addis Ababa, Ethiopia, offers a comprehensive range of high-quality pipes and tubes suitable for various industrial applications. Their extensive inventory and commitment to exceptional service make them a go-to choice for stainless steel products in the region.
Yes, we offer custom sizes for Stainless Steel 347/347H Heat Exchanger Tubing to meet your specific requirements. Our team at Bereket Pipes and Tubes is committed to providing tailored solutions for all your Piping & tubing needs. For more details, contact us at sales@bereketpipes.com.
| STANDARD | WERKSTOFF NR. | UNS | JIS | GOST | EN |
| SS 347 | 1.4550 | S34700 | SUS 347 | 08Ch18N12B | X6CrNiNb18-10 |
| SS 347H | 1.4878 | S34709 | SUS 347H | – | X6CrNiNb18-12 |
Stainless Steel 347/347H Heat Exchanger Tube is employed in applications where steady heat transfer performance under continuous exposure to heat, pressure, and corrosive environments is needed. Superheaters, boilers, reformers, condensers, and furnace items are typical uses. Grade 347 is suitable for welded constructions wherein sensitization should be avoided, whereas 347H is utilized in environments with elevated thermal loads and stress. These grades combine strength, thermal stability, and corrosion resistance that can withstand long service in harsh industrial operating conditions.
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