Jstephen thanks for your reply.
I know it's much better to use thickness of 0.25" than 3/16".But keep in mind If I use thickness of 0.25" the budget of cosntrucction steel tanks will be high.but don't worry, when the construcction finish must be tank surface preparation internal and external...
Thank you very much for the info, but keep in mind it's a baby tank, the company has standard size for the steel tanks for instance : maximun diameter 9.85'(3.0m)x lenght 32.81'(10.0m) and minimun diameter:6.56'(2.0m)x lenght 18.7'(5.70m) they are baby tank if I comapare with the U.S steel...
[pre]first of all I’m from peru work for company AQUAFIL this company is specialized in wastedwater treatement plants,we biult steel tank for wastewater. acoording to awwa d100 standard say that should use thickness of 0.25" all parts of the structure in contact with water But we’re using...