Hello guys,

I'am long time for training course CSWIP 3.1, I will exam next week , I would some body to advise for practical butt weld pipe as API 1104,
1. At  test speciment pipe will indicate A-B-C-D , the measure will start from A to B , B to C , C to D, that mean , measure from each start point like from "A" to defect ,from  " B"  to defect , from "C" to defect  or measure commulative  from "A" to defect "C".
2. Other technics please advise

Best Regards

JoJo