CWI Part C exam

Annex B In-service Welding- CWI Part C

by

Read Carefully and Take Test Annex B: In-service Welding B.1 General This annex provides welding practices for making repairs to and installing appurtenances on piping systems that are in service. Of particular importance are the welds that melt into the carrier pipe since they cool at an accelerated rate due to the quenching effect of … Read more

Section 13 Automatic Welding Without Filler Metal Additions

by

Read Carefully and Take a Test Section 13: Automatic Welding Without Filler Metal Additions 13.1 Acceptable Processes Section 1 3 addresses the welding of pipe using automatic welding without filler metal additions. It applies to only one welding process: the fash butt welding process. 13.2 Procedure Qualification Subsection 1 3.2 requires at least two test … Read more