There are two most basic and easily confused types of welding rods in manual arc welding: acidic welding rods (such as AWS E6013) and alkaline low-hydrogen welding rods (such as AWS E7018). Many w...
Fillet welds are the most important form of welds in T-shaped joints, lap joints, and corner joints. They are widely used in steel structures, equipment racks, pipeline supports and hangers, and ...
Shielded Metal Arc Welding (abbreviated as SMAW). The principle is: an arc is generated between the coated electrode and the base metal, and the welding method using the arc heat to melt the electr...
1. Core principle: Why must we use argon?
During the welding process, the metal is like red-hot iron at high temperatures. If it is not protected, it will immediately combine with the oxygen and ...
Warm New Year greetings as we step into 2026! We cherish this moment to express our sincere gratitude for all friends’ incredible support in passed year. As we embrace the new year, we wish ...
There are some inherent problems in dissimilar metal welding that hinder its development, such as the composition and performance of the dissimilar metal fusion zone. Most of the damage to the diss...