Shielding gas for arc welding of aluminum

Details Shielding gas for arc welding of aluminum Shielding gas for arc welding of aluminum

Filed on

1991-09-26

Date issued

1993-05-11

Examiner

Shaw, Clifford C.

Patent Class

Electric heating

SubClass

Metal heating

SubSubClass

Nonatmospheric environment at hot spot

Other Related Categories

219137R, B23K 916

Type

Patent

Status

active

Patent number

052103897

Description

ABSTRACT:
A shielding gas for the arc welding of aluminum consists of argon or mixtures of argon and helium. The shielding gas also includes an admixture of 80 ppm to 250 ppm of nitrogen.

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