Hydrogen for welding – Welcome to Nippon Gases

Gas with multiple uses in the metal fabrication sector

It can be used as pure or mixed fuel gas, it is widely applied in welding processes mixed in small percentages to argon as protection gas for the TIG/MIG (Tungsten Inert Gas/Metal Inert Gas) process of austenitic and copper steels or in MAG (Metal Active Gas) welding of austenitic steels.

-253 °C

First ionization energy relative density. Close to absolute "zero”.
1,3120 J/mol

First ionization energy. Low ionization energy, help electric arc starting.
0,0695

Relative density. High volatility.

It also finds application in gas mixtures intended for root protection, but it is not compatible in processes with materials such as carbon steel and aluminum. Also used in plasma welding (always mixed) for the generation of the plasma itself, but also in the plasma cutting process in considerable percentages for cutting austenitic and high-alloy steels for high thicknesses.

Do you still have questions?

At Nippon Gases we are called “The Gas Professionals” for a reason, and it’s because we’ll be able to solve any doubt.