Boyancy Chart steel V/s Alum

[hypnodean]

I am looking for a chart or some comparison that shows how negatively or positively boyant a steel 100 is V/s say an Aluminum tank when full, at 500 Psi etc.

I've tried searches on scubaboard for about an hour now... but no luck and time to get back to work.

Any suggestions?

Dean

 

[bcsean]

http://www.huronscuba.com/gear/cylinders.htm