Argon Ar
Argon
Physical Constants of Gas
Molecular Weight………………………………. 39.95
Specific Volume……………. 9.7 CF/lb. (0.6 m3/kg)
Boiling Point…………… -302.6°F (-185.9°C) 1 atm
Gas Density 70°F 1 atm………………. 1.67 kg/m3
Molecular Weight………………………………. 39.95
Specific Volume……………. 9.7 CF/lb. (0.6 m3/kg)
Boiling Point…………… -302.6°F (-185.9°C) 1 atm
Gas Density 70°F 1 atm………………. 1.67 kg/m3
Shipping Data
Shipping Class…………………………………….. 70
DOT/TC Name……………….. Argon, Compressed
DOT Class………………. 2.2 (Nonflammable Gas)
TC Class…….. 2.2 (Nontoxic, Nonflammable Gas)
WHMIS Class………………………………………. A
DOT Label……………………… Nonflammable Gas
CAS Registry No………………………… 7440-37-1
UN No./IATA No ……………………..UN1006
Safety Information
Argon displaces oxygen in confined spaces and
will not support life.
Liquid argon can cause frostbite when in contact
with skin.
Argon displaces oxygen in confined spaces and
will not support life.
Liquid argon can cause frostbite when in contact
with skin.
Argon (Ar) is a colourless, odourless, non-reactive, inert gas. In high concentrations, it has an asphyxiating effect. As argon is an atmospheric gas (0.93% vol.), it is generally sourced by separating air. Argon has many different applications in many industries. The most common one is as a shielding gas for arc welding – either in pure form or as part of various mixtures. It is one of the main gases used in filling mixtures for incandescent (filament) lamps, phosphorescent tubes and thyratron radio tubes.
Main Application
Inerting MIG Welding Laser Brazing Plasma coating |
Laser Brazing Plasma coating Sintering Laser Welding |
TIG Welding Laser Welding Plasma Welding TIG Welding |
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