1. SCBA Cylinders Material Science MEEN 3311

2. Three Basic Types
Steel
Composite
Aluminum

3. Steel Heavy Limited Air Capacity Increases difficulty of movement
Hydro Test every 3 Years
Susceptible to corrosion

4. Aluminum Lighter than Steel Heavier than composite
Susceptible to corrosion
More easily damaged than steel

5. Composite Lightest Maximum air capacity Non-corrosive Tough
Non-repairable

6. Sources
exp_scba/steel_cyl.html