Application Analysis of NDT Standard in Line Pipe Manufacturing Process

A lot of NDT standards are involved in the production and manufacturing process of steel oil pipe. According to the standard of GB/T 9711-2017 Petroleum and Natural Gas Industries-Steel Pipe for Pipeline Transportation Systems and API SPEC 5L Specification for Line Pipe forty-fifth and forty-sixth edition version adopted in the production and manufacturing process of domestic petroleum pipeline, the NDT standards for petroleum pipeline products are summarized and compared.