1.Application
Our high frequency welded aluminum tubes are widely used for automobile heat exchangers as follows:
Radiators for Car and Off-Road
Heavy duty truck and off-road vehicle heat exchangers
Oil coolers
Charge air coolers
2. Description:
Our high frequency welded aluminum tubes contain a lot of tube types, including radiator tubes(flat oval aluminum tubes),dimpled flat aluminum tubes,high frequency B-type tube,Dimple hourglass tube,Folded B-tube,Oil cooler tube,CAC tube etc.
Material: Alloy 4343/3003/7072;4343/3005/7072;4343/3003/4343;4343/3005/7072
Regular Temper:H14/H24
3. Features:
1)Low energy costs
2)High performance
3)Low space and light weight
4)High corrosion and pressure resistance
5)High recycling value
6)Pressure drop and silent solution
7)Low refrigerant fill
8)Good thermal conductivity properties and electrical conductivity
9)Good forming and bending properties
10)Small deviation range
11)High surface quality
4. Chemical Component
| No. |
Alloy |
Si |
Fe |
Cu |
Mn |
Mg |
Cr |
Zn |
Ti |
Zr |
| 1 |
3003 |
≤0.6 |
≤0.7 |
≤0.05-0.2 |
1.0-1.5 |
--- |
--- |
≤0.1 |
≤0.05 |
≤0.05 |
| 2 |
3005 |
≤0.6 |
≤0.7 |
≤0.3 |
1.0-1.5 |
0.2-0.6 |
0.1 |
≤0.25 |
≤0.1 |
≤0.05 |
| 3 |
4343 |
6.8-8.2 |
≤0.8 |
≤0.25 |
≤0.1 |
--- |
--- |
≤0.2 |
--- |
≤0.05 |
| 4 |
7072 |
≤0.7 |
≤0.1 |
≤0.1 |
≤0.1 |
--- |
0.8-1.3 |
--- |
--- |
5. Typical Sizes:Flat Oval Aluminum tube for CAC/oil cooler as follows:
| Tube size |
Wall thickness |
| 32 × 7.6mm |
0.25mm |
| 50 × 8.0mm |
0.40mm |
| 64 × 8.0mm |
0.45mm |
| 32 × 3.0mm |
0.50mm |
6. Typical Sizes:Flat Oval Aluminum tube for radiators as follows:
| Tube size |
Wall thickness |
| 16 × 2mm |
0.25mm |
| 18 × 2mm |
0.28mm |
| 22 × 2mm |
0.25mm |
| 26 × 2mm |
0.25mm |
| 36 × 1.6mm |
0.30mm |
Remark:Above size are not all we have available,check with our sales representatives for more details
7. Our Advantages:
1)We are having rich supplying experience for the aluminum tube,and have various specifications customized for our customers.
2)We have lots sizes of molds & die, and we have many stock tube which can be chosen.
3)Sample order will be supported for customers' prototype.
4)Seaworthy export packing to protect our products in transportation.
5)We could provide dimpled tubes based on the high frequency welded tubes in order to further increase the heat transfer and in the meantime save the material cost.
6)We have lots of patent products which has high technology and new usage application.
7)We can also do paid technology service for your tubing line and offer tooling for your new design if required.
8. Supplying form: Normally straight with fixed length as per customers' requirement.
Audited Supplier 
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