309 Welding Rod - China Manufacturers, Factory, Suppliers

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

Do you know the welding rod drying precautions?

The welding electrodes that leave the factory have been dried at high temperature and packaged with moisture-proof material, which usually prevents the coating from absorbing moisture. However, dur...
How to choose DC and AC in welding?

Welding can use AC or DC welding machine. When using a DC welding machine, there are positive connection and reverse connection. Factors such as the electrode used, the condition of the constructio...
Measures to Improve Fatigue Strength of Welded Structures

1. Reduce stress concentration The stress concentration point of the fatigue crack source on the welded joint and structure, and all means of eliminating or reducing stress concentration can improv...
Tianqiao on China International Hardware Show 2024 in Shanghai
What does welding quality control depend on?

Knowledge point 1: Influencing factors and countermeasures of welding process quality Process quality refers to the degree of guarantee of product quality in the process of production. In other wor...
Stick Welding Process Intro

Stick Welding Process Intro SMAW (Shielded Metal Arc Welding) is often called stick welding. It is one of the most popular welding processes used today. Its popularity is due to the versatility...

Welding powder for producing E6013