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Air is a colorless, odorless, nonflammable gas. Industrial air is used in air carbon arc gouging and in plasma arc cutting (PAC) processes. Industrial air should not be used as a substitute for breathing air.

Chemical Formula N/A
Minimum Purity N/A
Cylinder CGA Outlet 346 (Breathing Grade)
347 (Breathing Grade, greater than 3,000 psig)
590 (Industrial Grade)
MSDS P-4560
CAS Number 132259-10-0
UN Number 1002
US DOT Name Air, Compressed
US DOT Label Nonflammable Gas
US DOT Class 2.2 Nonflammable Gas


Cylinder Style Volume (ft3/m3) Pressure at 70 °F (21 °C) (psig/kPa) Part Number
T 310/8.06 2,640/18,202 AI IND-T
K 232/6.44 2,200/15,168 AI IND-K
Q 78/2.16 2,200/15,168 AI IND-Q