pipeline PWHT
pipeline PWHT
(OP)
On a typical pipeline automatic welding spread how soon after the last weld run (fill and cap pass)can/does PWHT take place i.e. how many joints after and typically how long would PWHT process be for heavy wall pipe around 10"?





RE: pipeline PWHT
"We have a leadership style that is too directive and doesn't listen sufficiently well. The top of the organisation doesn't listen sufficiently to what the bottom is saying." Tony Hayward CEO BP
http://www.youtube.com/watch?v=hpiIWMWWVco
"Being GREEN isn't easy." Kermit
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