Heat Exchanger Fin Tube, ASTM A106 Gr.B Carbon Steel High Frequency Welded Finned Tube
Heat Exchanger Fin Tube, ASTM A106 Gr.B Carbon Steel High Frequency Welded Finned Tube
HFW Finned Tubes are manufacturer by helically wrapping continuous fin strip on tubes. The fin is wounded spirally onto the tube and welded continuously with a high frequency electrical process to the base tube along the spiral root. The fin strip held under tension and confined laterally as it is formed around the tube, thus ensuring that the fins are in forceful contact with the base tube's surface. A continuous weld is applied at the point where the fin first begins to bend around the tube, using the gas metal arc welding process.
Features:
The heat-affected area is small, and the oxidation is not easy to occur, so the organization and performance of the weld is very excellent.
It has low contact heat resistance, high stability, anti-dust accumulation ability.
The heat exchange area is large.
Manufacturing Process:
The fins are welded continuously and spirally wound onto a polished bare tube. And the tube and fins are bonded together by using high frequency resistance welding technique.
Chemical Composition:
| C | Mn | P | S | Si | Cr | Cu | Mo | Ni | V |
| 0.3max | 0.29-1.06 | 0.035max | 0.035max | 0.1min | 0.4max | 0.4max | 0.15max | 0.4max | 0.08max |
Mechanical properties:
| Grade | Tensile Strength (Mpa) |
Yield Strength (Mpa) |
Elongation (%) |
| B | ≥415 | ≥240 | ≥30 |
Applications:
Petrochemical Industry
Chemical Industry
Oil and Gas Plant
Pulp & Paper Plant
Power Plant
Food Processing Industry
Energy Industry
Aerospace Industry
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