how high pressure gas bottles are made

[thehomeengineer]

Hi All
I saw this video on TV several years ago and think it is a-must watch. So many interesting process. Hope you enjoy it as much as I did.

The Home Engineer

[PJs]

Thanks thehomeengineer, always wondered how these were heat treated and tempered. The tonnage was impressive too! Would be interesting to know how they fill Acetylene tanks with concrete and before or after heat treat...another rabbit hole to dive into.

PJ