scope:

This Standard specifies the following shielding gas, orifice gas and assist gas (hereafter referred to as "shielding gas") except the fuel gas used for fusion welding and thermal cutting, gas used for thermal spraying, gas for laser oscillation and air used for plasma arc cutting and laser cutting.

a) Shielding gas used for gas-shielded metal-arc welding

b) Orifice gas and shielding gas used for plasma arc welding

c) Orifice gas and assist gas used for plasma arc cutting

d) Shielding gas used for laser welding

e) Assist gas used for laser cutting

f) Shielding gas used for brazing with electric arc

g) Shielding gas used for laser beam brazing

h) Shielding gas used for gas backing

NOTE: The International Standard corresponding to this Standard and the symbol of degree of correspondence are as follows.

ISO 14175 : 2008 Welding consumables - Gases and gas mixtures for fusion welding and allied processes (MOD)

In addition, symbols which denote the degree of correspondence in the contents between the relevant International Standard and JIS are IDT (identical), MOD (modified), and NEQ (not equivalent) according to ISO/lEC Guide 21-1.