Company news

29Nov 2019

Various problems often occur during  welding  aluminum parts by aluminum welding wire. That’s because compared with the ordinary steel welding, aluminum welding is more difficult and more attentions need to be paid. Today, the top quality aluminum welding wire manufacturer from China–Siweite aluminum welding wire manufacturer  will  summarize some common welding questions and solutions . […]

26Nov 2019

ER4043 aluminum welding wire or ER5356 aluminum welding wire? People are always asking that which filler aluminum welding wire is best for welding  6061-T6  , ER4043  or ER 5356  ?  In fact, both the aluminum welding wire ER 4043 and ER 5356 are acceptable for 6061-T 6.  Each has advantages and disadvantages depending on the application. […]

14Nov 2019

How to avoid weld porosity when welding aluminum welding wire to work-piece When you weld aluminum welding wire to work-piece, it always appear weld porosity. Especially for a new welder, weld porosity is a difficult problem to solve. The quality of aluminum welding wire has big effect to weld porosity. Meanwhile, if the pre-treatment of […]

01Nov 2019

The structure diagram of aluminum storage tank  showing in the following figure. Its material is industrial aluminum L2. With a height of about 7 meters and a diameter of 5 meters. The tank weighs about 6t. The welding equipment using usually a large capacity of the melting inert gas shielded welding machine. For example, nb-500 type […]

30Oct 2019

The alloy will  have distortion after welding. Which increases the amount of repair after welding to a large extent and wastes a lot of working hours. In serious cases, the production schedule will be delayed. However, the catheter is the most critical component of the aircraft. It is large, complex, highly accurate, and requires minimal distortion. The […]

25Oct 2019

  Aluminum alloy products have light weight, good tensile properties. It realize the large and wide shape of its profile. So it has become a hot research topic in various countries. Due to the large thermal expansion coefficient and small elastic modulus of aluminum alloy. The welding deformation problem is particularly serious. Which greatly affects the […]

21Oct 2019

All kinds of welding defects of TIG welding of aluminum and its alloy are the same as those of other arc welding, and some are special.The welding quality of TIG welding of aluminum and its alloy is related to the preparation before welding, the purity of protective gas, the accuracy of welding parameters, the proficiency […]

17Oct 2019

The welding method of steel and aluminum is very poor, not only the melting point of the two is quite different.  The melting point of steel is about 1350℃, while the melting point of aluminum is about 660℃. Density also varies widely: about 7.87t/m3 for steel and 2.70t/m3 for aluminum. Moreover, the aluminum surface is prone to […]

08Oct 2019

Pulse MIG welding  introduction Nowadays, more and more aluminum alloy welding adopts MIG welding, especially pulse MIG welding with excellent performance, and even double pulse MIG welding. Due to its high welding efficiency, it can realize semiautomatic and fullautomatic welding, and the weld depth large and the strength  high. But then again, she’s not as […]