309 Electrode - Manufacturers, Suppliers, Factory from China

309 Electrode, , , ,. The product will supply to all over the world, such as Europe, America, Australia,, ,, .

Weld Visual Defect Measurement Technology

There is no difference in process between full argon arc welding and argon arc welding. Full argon arc welding is suitable for thin-walled small-diameter pipes (generally DN60 and below, wall thick...
How is the welding electrode made?

The demand for steel in modern society is constantly increasing. In daily life, many things are made of metal, and many metals cannot be cast at the same time. Therefore, it is necessary to use ele...
International Commonly Used Welding Material Standard System

Welding material standards are an important basis for ensuring welding quality and safety. Different countries or regions have formulated corresponding standards according to their own industrial n...
Selection of Tungsten Electrodes

Red head thoriated tungsten electrode (WT20) Currently the most stable and widely used tungsten electrode is mainly used in the welding of carbon steel, stainless steel, silicon copper, copper, br...
What is flux-cored arc welding?

Flux-cored welding wire first appeared in the United States and Germany in the 1920s. However, it was not until the 1950s that it was really widely used in industrial production, especially after t...
Influence of Welding Current, Voltage and Welding Speed on Weld

Welding current, voltage and welding speed are the main energy parameters that determine weld size. 1. Welding current When the welding current increases (other conditions remain unchanged), the pe...

Potassium silicate for welding electrode production