By Jorge Sierra
Date 06-20-2007 20:11
Edited 06-20-2007 22:30
Dear collegues
We are consulting about Learning lessons ,using the WPS mentioned in above Subject.We found cracks in nine girth welds using the metal filler of the subject ,on A-53 Gr B pipework in a hot water process line. The T° design it is 150°C the Pressure it is 350 PSI, the fluid is Desmineralized Water, the problem founded was in the root pass of the joint pipe to Elbow , Nominal diameter 12" and Schedule standard.The piping has insulate from 3" in order to conservate the energy.
I hope than yours can help me with your comments and learning lessons about this problems
Thank¨s
Jorge Sierra
Sorry it is E-8010-G as corrected