Welding power supply

Shielding gas

Shielding gases are necessary in GTAW to protect the welding area from atmospheric gases such as nitrogen and oxygen, which can cause fusion defects.

The most commonly used shielding gases for GTAW are argon and helium, also often used Argon-helium mixtures.

Welding machines and devices

There are many welding machines, installations and devices applied for welding. I shall present some of them.

Conclusion

•This method of welding is often used as it ensures high quality of a weld. This method is rather expensive.

Well, now you can ask questions which you are interested in.