Secondary Stiffening-Cone Tank API 650, 1961
Secondary Stiffening-Cone Tank API 650, 1961
(OP)
We have a number of cone tanks at our facility which I believe were built to an early 60's API650. They do not have any external stiffening rings.
They have not suffered from internal shell corrosion and the shells are effectively at nominal thickness. My interpretation of 60's API 650 is that cone tanks not built to App D don't require secondary stiffening.
Would people agree that non ADB cone tanks don't need secondary stiffening (to code).
Also does anyone know how I can get hold of a API 650 first edition. I can't find any for sale :(
Thanks in Advance
Lurm
They have not suffered from internal shell corrosion and the shells are effectively at nominal thickness. My interpretation of 60's API 650 is that cone tanks not built to App D don't require secondary stiffening.
Would people agree that non ADB cone tanks don't need secondary stiffening (to code).
Also does anyone know how I can get hold of a API 650 first edition. I can't find any for sale :(
Thanks in Advance
Lurm





RE: Secondary Stiffening-Cone Tank API 650, 1961
If the tanks are in place, I can't think why you'd go back and start trying to re-evaluate a design feature per the original standard.