Inert gas for TIG, MIG, MAG and plasma welding

Details Inert gas for TIG, MIG, MAG and plasma welding Inert gas for TIG, MIG, MAG and plasma welding

1992-03-02

1993-05-11

Shaw, Clifford C.

Electric heating

Metal heating

Nonatmospheric environment at hot spot

219137R, B23K 916

Patent

active

052103889

ABSTRACT:
Argon having a high degree of purity or else a mixture having a high degree of purity consisting of argon, helium, hydrogen, oxygen and/or carbon dioxide are used as the inert gas for TIG, MIG, MAG and plasma welding. For purposes of improving the welding result, 80 ppm to 250 ppm, preferably 120 ppm to 180 ppm of nitrogen are added to the inert gas.

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