This document specifies the terms and definitions of micro-zone tensile property testing of oil and gas pipeline girth welded joints, sampling location, sampling location, sample size, sample processing, test equipment, test preparation, test steps, data processing and test report. This document is applicable to micro-zone (different positions of the weld, including cover welding zone, filler welding zone, root welding zone, heat affected zone and base metal) tensile performance testing when evaluating the suitability of circumferential welding joints for oil and gas pipelines. It is also applicable Docking joints in storage and transportation facilities.
T/CSTM 00578.1-2023 history
2023T/CSTM 00578.1-2023 Mechanical properties test for microzones of oil and gas pipeline girth butt welds—Part 1: Tensile test method