- sales@davidpipes.com
- Canberra, Australia
Home > Stainless Steel > Stainless Steel 347/347H Heat Exchanger Tubing
David Pipes and Tubes is a top-notch manufacturer and supplier located in Canberra, Australia, focusing on high-quality Stainless Steel 321/321H Heat Exchanger Tubing. These tubes are meticulously crafted using premium-grade stainless steel and cutting-edge fabrication techniques, ensuring they boast exceptional strength, corrosion resistance, and thermal stability. The Stainless Steel 321/321H Heat Exchanger Tubing from David Pipes and Tubes is perfect for high-temperature applications, delivering reliable, long-lasting performance. The company is trusted across various industries, including chemical processing, power generation, and aerospace, with products that meet rigorous international standards, guaranteeing consistent quality and efficiency in demanding heat exchanger systems.
The composition of Stainless Steel 321/321H Heat Exchanger Tubing primarily includes iron, chromium (17–19%), nickel (9–12%), and titanium, which helps stabilize the alloy and prevents carbide precipitation during welding or when exposed to high temperatures. The 321H grade features a higher carbon content, enhancing its strength and creep resistance at elevated temperatures. These tubes are known for their excellent oxidation resistance, tensile strength ranging from 515–700 MPa, and good formability and weldability. Their stabilized composition ensures durability and structural integrity during thermal cycling, making them suitable for heat exchangers that operate under extreme conditions.
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.
Choosing Stainless Steel 347/347H Heat Exchanger Tubing from David Pipes and Tubes ensures you receive high-quality products tailored to meet your specific requirements. Our tubing offers exceptional corrosion resistance and durability, ideal for high-temperature applications. We prioritize stringent quality control measures, ensuring each product meets industry standards. Additionally, our expert team provides personalized support, timely delivery, and competitive pricing, making us a reliable partner in your projects. Trust David Pipes and Tubes for your stainless steel needs and experience superior performance and service.
David Pipes and Tubes, one of the largest suppliers of Stainless Steel 347/347H Heat Exchanger Tubing in Canberra, Australia, 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 David Pipes and Tubes is committed to providing tailored solutions for all your Piping & tubing needs. For more details, contact us at sales@davidpipes.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 321/321H Heat Exchanger Tubing is widely utilized in industries that demand high corrosion and heat resistance. It’s commonly found in chemical and petrochemical plants, power plants, refineries, and HVAC systems. Thanks to its ability to endure thermal stress and resist oxidation, it’s an ideal choice for condensers, boilers, and process heat exchangers. Additionally, it’s also used in aerospace and marine industries where high performance and long-term reliability are crucial. Overall, Stainless Steel 321/321H Heat Exchanger Tubing offers outstanding efficiency, durability, and consistent performance.
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