I'm trying to figure out depth of 2000 psi API X52-5L pipe needs to be if the pipe is running under our roadway - it's located in rock. But, in googling, I ran across the above noted article - rather interesting especially the tale of how the 0.01 inch D-Load crack width came into being. Enjoy it:
![[cheers] [cheers] [cheers]](/data/assets/smilies/cheers.gif)
![[cheers] [cheers] [cheers]](/data/assets/smilies/cheers.gif)