Hover cursor over image to view larger picture

Industrial Grade Acetylene, Size 4.5 Acetylene Cylinder, CGA 510

Airgas Part #:AC 4.5

Manufacturer Part #:4.5

Enter Delivery Zip Code or Log In

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.


4.5 Acetylene
DOT Specification
8AL - Canada 8WAM
10" - 254 mm
Height {W/Cap & Valve}
37.5" - 953 mm
Weight {W/O Cap}
37.5 lbs - 953 kg