I need help with the following thread callout on a drawing:
1" 8UNC 2B for a depth of 5.38"
1.000 LPT AS PER API 5B
I understand the first sentence but do not have any clue about the second one. There are two counter bores drawn in a section of the thread with no diameter and depth given.
Can...
Hi,
We have a PQR using 2 processes for P-No. 8 Group No. 1 to itself qualified with impact testing using a plate with 1” thickness. GTAW was used for root passes deposited weld metal was 3/16”, filling was done with SMAW deposited weld metal was 13/16”. The PQR was done w/o PWHT as per Sect...