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Industrial Grade Acetylene, Size 4 Acetylene Cylinder, CGA 510

Airgas Part #:AC 4

Manufacturer Part #:4

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About this product

  • Acetylene (C2H2) is a colorless, highly flammable gas with a garlic-like odor.

Product Attributes

CGA Connection

• CGA 510

Gas Grade

• Industrial

  • Acetylene combustion in pure oxygen produces the highest achievable flame temperature, over 3300°C, releasing 11,800 J/g, because of its triple-bond structure H-C+/-C-H.


  • Due to Acetylene's high flame temperature, it is the ideal gas for metal working applications, such as oxy/fuel welding, cutting, brazing, and soldering. Commonly used in Flame Cutting Shops, Shipbuilding & Repair, Field Construction, Fabrication, and Machine Shops.


  • Always use in accordance with the Safety Data Sheet (SDS)
  • Cylinder must be stored and used in an upright, secured position in a well-ventilated or monitored area
  • Always follow local fire code requirements when storing gas cylinders.
  • Delivery pressure should not exceed 15 psi
  • Major hazards: Fire (extremely flammable)
  • May form explosive acetylides in the presence of copper, mercury, or silver
  • Piping used should be electronically bonded and grounded


Sizes may vary by location. Contact your local Airgas representative or local branch location for availability in your area.


4 Acetylene
DOT Specification
8AL - Canada 8WAM
8" - 202.7 mm
Height {W/Cap & Valve}
39.1" - 994 mm
Weight {W/O Cap}
71.9 lbs - 32.6 kg