No as far as we are aware methanol is normal industial grade used for injection into a propane line to clear ice.
I'm getting a sample checked for impurities but it comes from a reputable supplier.
We think it is internal, but the cracks are through wall and they appear to have similar internal and external lengths. We will confirm when we section the item.
The vessel is 25yr old and exact material specefication has been lost in the midsts of time, but no reason to believe that it is...
We have a methanol vessel (25yrs, atmospheric, ambient temp service carbon steel no PWHT) which we believe has suffered SCC, (multiple longitudinal cracking in a dished end adjacent to a weld) and we will be taking sections to confirm the dished end metallurgy, the nature of the cracking and...
We have a crude oil export pipeline that we want to introduce NGLs into. Is it a possibility that if we have an impact/damage which results in small ductile tear that the escaping NGLs could cause a subsequent drop in metal temperatures and potentially a brittle failure? The pipeline was...