diver1969 wrote: ↑Fri Nov 05, 2021 4:41 pm
i have a catalina aluminum hp tank made 11/07 serial # 0000002 does anyone know anything about this tank?
This is from Catalina
https://www.catalinacylinders.com › support
All cylinders manufactured by Catalina Cylinders, have been and are being manufactured form aluminum alloy 6061, never aluminum alloy 6351. Eddy current inspection of 6061 aluminum alloy cylinders at the time of the 5 year hydrostatic retest or annual visual inspection in the case of SCUBA cylinders is not required by the U.S. Department of ...