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Laser Welded Fin Tube|Laser Welded Stainless Finned Tube

The fins are helically wound and continuously welded by a fully automatic laser finning machine. Laser welded finned tubes produces a perfect fin-to-tube bond with lower heat input and improved efficiency in heat flow and resistance to corrosion.

Description

What is laser welded fin tube?

Laser welded fin tube is using a laser welding machine to weld fins on tube. At beginning, Laser only weld the stainless strip on the stainless tubes, With the improvement of technology, laser can weld carbon steel strip on the carbon steel tube and copper strip on copper alloy tube. In traditional the spiral fin tubes are using high frequency welding, resistance welding and other technology to make the stainless steel fin attached on the steel pipe. These kinds of welded spiral fin tube, the welding process has its shortcomings that cannot be overcome.

Laser welded fin tube advantages:

1. The laser welding spiral finned tube has full automatic welding process,save the manpower cost;

2. Laser welding fin solid and strong, high tensile strength test were qualified; laser welding more efficiency advantages etc.

The laser welding machine is the most advanced laser welding equipment for spiral finned tube . Laser welded spiral finned tube is using a laser welding machine processing. Because the welding process is fully automatic and mechanical, the scientific and technological content and quality of laser welded spiral finned tube are better than the traditional cooling pipe.

Laser Welded Finned Tube Principle

Laser welding is a high intensity laser beam to the metal surface, through the interaction of laser and metal, metal absorption laser into heat to make the metal melt after the formation of cooling crystallization welding.

Laser Welding Finned Tube Stainless steel laser welded spiral fin tube:

1, A high level of automation, such as automatic fins Laser welding machines can achieve one-time welding completion, synchronous winding of the fin foot, and pipe depth of weld.

2, Laser welding, high firmness, high binding force. Laser welding is metallurgical bonding, welding strength is more than 600MPa.

3, Laser welding machine with high accuracy, welding a 8 meter long fin tube with a precision of 0.05mm.

4. The heat transfer coefficient can be improved greatly by laser welding.

5, Laser welding finned segment length is less than or equal to 2.5 mm, heat dissipation area than the high frequency welded pipe (distance is more than or equal to 4.5 mm) increased by nearly 50%, greatly reducing the material of the tube, also can decrease the change of the volume of the heat exchanger.

Laser Welded Finned Tube Advantages:

1.Thin, continuous weId seam

2.Small heat-affected zone

3.Short heating time

4.Only slight microstructural change in tube and fin

5.High utilization of heat for forming the seam

6.High welding speed

7.No impurity of the weld seam, as the Laser-welding is carried out under a protective atmosphere

Laser Welded Finned Tube Application

1.Power Plants

2.Chemical Industry

3.Heat Recovery Plants

4.Heat Industry

Laser Welded Stainless Fin Tube

In order to forward you a promt offer for the laser welded finned tube, we would be pleased to receive you detailed enquiry including:

• Base tube material 

• Base tube size (OD x WT x Length)

• Fin material

• Fin type

• Fin diameter or height

• Fin thickness

• Fins per inch, meter or fin pitch

• Lenght of plain, unfinned ends

• Finned Tube Quantity

(Additional fabrication, such as bend or weld the tubes into tubeplate or assembly)

Stainless steel laser welded spiral fin tube, Laser Welding Finned Tube

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