Question

which are the types of gases are used in plasma arc welding ?

Answer 1

IN plasma arc welding the gases used are as follow:

1.  argon and helium mixtures for non-ferrous metals

2.Argon or VARIGON argon and hydrogen welding mixtures are often used as plasma gas for stainless ste

3. Plasma gas. This is the medium, which forms plasma flow between the electrode and the welding area

hope this helps you

Answer 2

HEY MATE!
HERE IS YOUR ANSWER.....

Argon or VARIGON argon andhydrogen welding mixtures are often used as plasma gas for stainlesssteels and argon and helium mixtures for non-ferrous metals.

HOPE THIS HELPS YOU A LOT.....✌️✌️✌️✌️✌️✌️✌️✌️✌️✌️✌️

MARK AS BRAINLIEST!