As known to all, copper is great for heat transfer. And aluminum also very effective in heat transfer. When design the heat exchanger on cooling or heating, heat transfer is always the first to consider, and then the cost.

The extended aluminum fins are responsible for 65%~70 of the heat transfer for any fin tube coil, and the base tube is responsible for the 30%~35%. The combination of copper and aluminum offers the most effective heat transfer at the most efficient cost. This is why copper and aluminum composited fin tube is welcomed by many clients.

 

Manufacturing process of copper and aluminum composted fin tubes

The base copper tube (copper grade can be C12200, C70600, C44300, CuNi70/30, CuNi 90/10) is inserted into the aluminum muff tube, through rolling process, the fins are extruded out of the aluminum sleeve. Then ends fin will strip off from tube at customized length, cleaning, blast blowing, drying and then package.

 

Although the composited fin tube can be with base material such as carbon steel, 304/316 stainless steel, 90/10 copper-nickel, as well as other various different fin materials, none of these are as efficient or economical as copper/aluminum composited fin tubes.

 

Specifications of aluminum combined fin tubes.

Copper Tube Material: C12200, C44300, C70600, CuNi70/30, CuNi90/10

Fin Material: Al1050, Al1060, Al1070, Al1100, Al3003, Al6063

 

Maximum operating temperature for copper and aluminum composited fin tube is 300℃。

 

2.Between each layer of fin tubes, there will be a pearl to separate the fins from damaging

3.Inside the wooden case, there will waterproof tar paper or transparent film

4.Outside using the thick plywood case with steel frame welded and supported

5.The crates will be adequately blocked and fastened to prevent the goods moving inside the wooden case.

6.Package is strong enough for handling.

 

We can not only produce Copper and Aluminum Composited fin tube in extruded fin type, but also can do it in L Foot Tension Fin, Overlapped L Fin, KL Fin and Grooved G Fin. For all these fin type, the base tube can be with copper and fin material be aluminum.

 

Q: Can we get some samples? Any charges?

A: Yes, free samples can be provided but with freight collected or using your courier account.

 

Q: How can we get a quote?

A: Provide us with your detailed specifications, such as material, size, quantity and special requirement on technical issues.

 

Q: What’s the trade term and payment term?

A: FOB, CIF, CFR, DDU and DDP can all be accepted as trade terms.

T/T, L/C can be accepted as payment term.

 

Q: How do you control the quality?

A: We have QC stay on production lines to do the inspection. All products will be inspected before delivery. Inspection reports and tube mill certificate will be provided.

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