Forty welds on a 6 inch pipeline that will be operated at a pressure that will produce a hoop stress of _____ or more of SMYS must be non destructively tested or inspected and approved by a qualified welding inspector.
Forty welds on a 6 inch pipeline that will be operated at a pressure that will produce a hoop stress of _____ or more of SMYS must be non destructively tested or inspected and approved by a qualified welding inspector.