309 Welding Rod - China Manufacturers, Factory, Suppliers

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

How much do you know about brazing？

The energy source of brazing can be chemical reaction heat or indirect heat energy. It uses a metal with a melting point lower than that of the material to be welded as the solder. After heating, t...
Eight laser welding processes in automobile body manufacturing

Introduction As the vehicle body is the carrier of other parts of the vehicle, its manufacturing technology directly determines the overall manufacturing quality of the vehicle. Welding is an impor...
The composition of the welding electrode

The welding electrode is a metal rod that is melted and filled at the joint of the welding work-piece during gas welding or electric welding. The material of the electrode is usually the same as th...
Selection principle of pipeline welding method

1. The priority principle of arc welding with electrodes For the installation and welding of pipelines whose diameter is not too large (such as below 610mm) and the length of the pipeline is not...
Preparation before welding

The preparation work before welding is as important as the welding process, which is directly related to the welding quality and effect of the finished product. 1. Electrode drying The purpose of ...
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...

MIG TIG cooper coated solid welding wire ER80s-G