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AA4104 AA4004 solder used for vacuum brazing aluminum heat exchangers

Specification Range

4AA4004/AA4104 solder is a kind of necessary raw material which is often used in the production of aluminium heat exchanger in vacuum brazing process. The quality of the weld may have a great influence on the pressure and durability of the heat exchanger. Specifically, Mg element can not only affect the removal of oxide skin, but also affect the melting point of the weld. The addition process of Si element can also affect its distribution and aggregation in the weld, which has an impact on the melting point of the weld.

In addition to conventional AA4004/AA4104 welds, we also offer high melting point range or brazing free welds for vacuum brazing or gas brazing applications such as electron beam brazing, aluminum foil coated ceramic substrates for the semiconductor industry and small PTC ceramic heaters. For example, the semiconductor industry might want to minimize the impact of silicon on circuit boards; Electron beam brazing 6061 and other water cold plate and other products hope that corrosion resistance does not decrease too much;

On the other hand, although there are many manufacturers using vacuum brazing process in China, most of them do not use enough AA4004/AA4104 brazing pieces each year, which is not enough to directly customize brazing materials in bulk. Therefore, it is difficult to purchase welding pieces, or the purchase price is high.

In order to solve this problem and reduce the production cost of customers, we jointly launch customized welding materials with welding manufacturers, and integrate and provide aluminum welding materials that meet the requirements of customers according to their requirements (width, quantity).

Welding material: AA4104, AA4004, 4A13 (AA4047 welding is also available)

Form: H16 or H18

Thickness specification: 0.07, 0.10, 0.20, 0.50 mm

Width specification: 150,200, 270, 500, 1000, etc


Place of Origin:China
Brand Name:Hengjia
Model Number:4104 AA4004
Temper:O, H14, H16, H18, H22, H24 , etc
Thickness :0.07-0.8mm
Delivery Time:7 Days


Technical standard

Relevant product catalog:

Aluminum clading productsAluminum alloyTemperThickness (MM)Widith (MM)lengthApplication
                                                                                  Aluminum composite sheet4104/3003/4104H14/H16 0.4-5.0 16-1240customizedVacuum brazing and plate fine radiator
Aluminum clading foil4343/3003/4343H14/H160.07-0.316-1240COILWater tank, intercooler.conderser oil cooler,radiator, generator, heater
Rust-proof aluminum sheet3003O/H140.4-5.016-1240                                         COIL
Rust-proof aluminum strip and foil3003H14/H160.07-0.316-1240                                         COIL
                                         Alumium clading strip4045                                         F 0.07-0.8 16-1240COIL solder

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