How to prevent incomplete penetration

1. Control the groove size: gap, blunt edge, angle and wrong mouth, etc.2. Control current, polarity and welding speed; make the joint fully warmed up and bui...

How to choose the appropriate filler metal

When selecting filler metal, the characteristics of the base material and the requirements for joint performance are mainly considered. Generally speaking, th...

The 13th HVACR Vietnam Exhibition has been successfully concluded on 27th, Welding Material of Qixing Brand have been praised again.

The 13th HVACR Vietnam Exhibition has been successfully concluded on 27th, During the exhibition, we brought copper-based filler metal, silver-based, aluminum-based capillary tube brazing & soldering materials and welding wire, welding ring, welding flux and so on. Welding Material of Qixing Brand have been praised again.

Qixing Welding in HVACR Expo ,Hồ Chí Minh, Vietnam, welcome to our Booth at E26

The 13th HVACR Vietnam Exhibition opened on March, 25, 2019. As the largest refrigeration exhibition in Vietnam, it attracts customers from all over the world. In addition, the company has also brought a number of high-quality brazing products, such as Phos copper brazing rod, brass brazing rod, silver brazing rod, aluminum base wire, brazing ring, flux and aluminum welding rod. There are more surprises on the exhibition site.Welcome to visit.

Welding technique of Flat welding

Welding points:1. According to the thickness of the plate, a larger diameter electrode and a larger welding current can be used for welding.2. When welding, the...