This is my first time designing joint cans using ISO so I may be misinterpreting it, but it seems to me that there may be an issue with the joint minimum strength requirements.
ISO 14.2.3 states:
All joints, except those identified as being non-critical, shall additionally be checked to ensure...
Equation A.6 located in ISO 19001-3 section A.8.4 looks incorrect. If L=8 m then the D>(8^2*7000)^(1/3)=76.5 m. That it is patently rediculous. Does anyone no where this equation comes from, or preferably, what the correct equation should be. It seems as if the diameter should be in mm or...