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Argon Cylinder Gas and Bulk Gas for Industrial and Specialty Applications


Airgas is the United States' largest distributor of industrial, medical, and specialty gases and related equipment, safety supplies, welding supplies and MRO products and services to industrial and commercial markets.

Argon (Ar) A colorless, odorless, nontoxic, nonflammable, inert gas.

Airgas offers unique BIP ® technology for Argon gas cylinders. BIP technology (an Air Products innovation) provides premium-grade purity at costs you would expect to pay for zero-grade Argon gas using a purifier built into the gas cylinder.

What are the uses of Argon?

Argon is used primarily for applications such as arc welding, steel making, heat-treating and electronics manufacturing.

Argon, Scientific Grade (Grade 6) is used as an atmosphere for manufacturing semiconductors. UHP or Ultra Carrier Grades are used as carrier gases in gas chromatography, as a fill gas for certain specialized lamps and as an atmosphere for growing silicon or germanium crystals. UHP is used in graphite furnace Atomic Absorption. Other grades of Argon are used as a shielding gas for welding or in the production of reactive metals.

Properties of Argon:


Molecular Weight: 39.95
Specific Volume: 9.7 CF/lb
Flammable Limits: Nonflammable
CGA Valve: 580, 3HP-677, 2HP-680
DOT Name:
Argon, Compressed
UN No.: UN1006
DOT Class: 2.2
DOT Label: Nonflammable Gas
CAS Registry: 7440-37-1


Argon Product Categories


  • Argon - Specialty Gases
  • Argon - Industrial Gases

    Airgas.com Argon Reference Pages


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