Using a laser is also not possible without shielding gas. Depending on the material and component, shielding gas mixtures are often used. Due to the variety of materials, mixtures with special additional components have emerged as popular choices.
Messer supplies gases and know-how for your requirements
The use of gas mixtures instead of pure helium is only economical, when weld quality and process safety do not suffer. We are pleased to advise and support you.