4343/3003/7072 Brazing Aluminum Pipe
Brazing welding aluminum water tank flat tube pipe
| Flat tube size | 16.0x2.00x0.28 16.0x2.00x0.30 18.5x1.50x0.26 |
| Aluminum Raw material for flat tube: | 4343/3003/7072 |
Products Name:
Brazing welding aluminum engine water tank flat tube pipe for automotive air
condition system /brazing welding aluminum tubes pipe for water tank &auto radiators.
Our Description:
1. We professionally develop and produce the precision aluminum
drawn tube and high-frequency welded tube
2. Brazing aluminum tubes type :flat tube (water tank flat tube), round tube (afflux tube, komo
tube), rectangular tube (charge air cooler, oil cooler), hourglass
tube and etc.
3.Raw material for flat tube:4343/3003/7072
4. Technical :welding,brazing
Brazing welding aluminum tubes pipe Application:
1. welding aluminum radiator tanks
1. Evaporator
2. Condenser
3. EngineWater tank,
4. welding aluminum heat exchanger
5. automotive air condition system
6. automotive hea exchanger
7. automotive engine cooling module
8. water tank flat tube pipe for automotive air condition system
9. automotive air conditioning system
10. auto radiators.
We could produce the brazing welding aluminum tubes pipe below
according to customer requirement:
| Product type | Out diameter | Width | Wall Thinckness | Tube Thickness | Length |
| Round tube | Ø10~38mm | ⁄ | 0.80-3.00mm | ⁄ | 50~6000mm |
| Flat tube | ⁄ | 8~32mm | 0.23~0.50mm | 1.0~5.0mm | ⁄ |
| Rectangular Tube | ⁄ | Max 90mm | 0.26-0.8 mm | 5.0~10.0mm | ⁄ |
| D Tube | ⁄ | 15~20.4mm | ⁄ | 1.0~1.2mm | ⁄ |
Raw material for flat tube 4343/3003/7072
| Material |
| No. | Classificaiton | Layer | Alloy Number | Cladding Ratio |
| 1.1 | Non-cladding | Core | AA3003 | - |
| 1.2 | Cladding | Outer cladding | AA4343 | 8%-12% |
| Core | AA3003 | - |
| Inner cladding | AA7072 | 8%-12% |
| Raw material for flat tube 4343/3003/7072 tolerance |
| No. | Specification | Size | Tolerance |
| 2.1 | Width (mm) | 16/18/22/26/32/40,etc. | within ±0.08 |
| 2.2 | Height (mm) | 1.5/2.0,etc. | ±0.06 |
| 2.3 | Wall Thickness (mm) | 0.28 to 0.35 | ±0.015 |
| 3. Chemical composition for alloys |
| No. | AA number | Chemical Composition (%) |
| Si | Fe | Cu | Mn | Mg | Zn | Ti | Zr | Bi | Others | Al |
| Each | Total |
| 3.1 | 3003 | 0.6 | 0.7 | 0.05-0.2 | 1-1.5 | 0.05 | 0.1 | | | | 0.05 | 0.15 | RE |
| 3.2 | 4343 | 6.8-8.2 | 0.8 | 0.25 | 0.1 | 0.05 | 0.2 | | | | 0.05 | 0.15 | RE |
| 3.2 | 7072 | 0.7 | 0.1 | 0.1 | 0.1 | 0.1 | 0.8-1.3 | | | | 0.05 | 0.15 | RE |
Raw material for flat tube:4343/3003/7072
| Mechanical properties |
| No. | Alloy number | Temper | Yield Strength
Rp0.2(Mpa).
Min | Tensile Strength
Rm (Mpa) | Elongation
(%)
A50,Min | Typical usage |
| 4.1 | 3003 | O | 35 | 95-135 | 10 | Auto. Heat exchanger welded tube |
| 4.2 | 3003 | H12 | 90 | 120-175 | 0.5 | Auto. Heat exchanger welded tube |
| 4.3 | 3003 | H14 | 125 | 145-200 | 0.5 | Auto. Heat exchanger welded tube |
| 4.4 | 3003 | H24 | 125 | 145-205 | 6 | Auto. Heat exchanger welded tube |
| 4.5 | 4343 | O | 35 | 95-150 | 8 | Auto. Heat exchanger welded tube |
| 4.6 | 4343 | H14 | 120 | 140-200 | 0.5 | Auto. Heat exchanger welded tube |
High-frequency Welding Machine & photos:
Brazing welding aluminum plat tubes pipe products type photos:
High Frequency Welding Machine Set:
