Scuba Forum > Used Scuba Tanks - Need help
#6220
OUBobcat - 7/12/2014 1:54 PM
Most of the problems with the aluminum tanks were centered around Luxfer tanks made before 1990. The alloy that was used and the one that is bad is 6351-T6. From what I heard is that hairline cracks develop and can cause issues when being filled.