china welding factory - Manufacturers, Factory, Suppliers from China

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The difference between fixed welding joint, rotating welding joint and prefabricated welding joint in pipeline welding

No matter where the welding joint is, it is actually an accumulation of welding experience. For novices, simple positions are the basic exercises, starting with rotations and moving on to fixed pos...
Excellent quality, On time delivery

We promise to strictly control the quality to ensure that every product meet the standard. In the meantime, we arrange production efficiently and deliver on time, so that you can receive the goods ...
Welding common problems and prevention methods

1. What is the purpose of steel annealing? Answer: ①Reduce the hardness of steel and improve plasticity, so as to facilitate cutting and cold deformation processing; ②Refine the grain, uniform the ...
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 ...
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...
Participating China 8th Yiwu International Hardware & Electrical Appliances Fair

Mild Steel Welding Electrode J422 E4303