Steel pipe transverse stretching method
GB/T 13793 specifies the requirements for the mechanical properties of welded seams of straight seam welded steel pipes:
When required by the user, a steel pipe with an outer diameter of not less than 219.1 mm can be subjected to a transverse tensile test of the weld. The transverse tensile test of the weld transverse tensile test shall be vertical weld, the weld shall be at the center of the test specimen, and the tensile strength value shall comply with the provisions of Table 8 of GB/T 13793.
other request:
(1) Weld tensile test: 1 sample per batch.
(2) Sampling method According to GB/T 2975 "Mechanical performance test of steel and steel products, test sampling position and sample preparation";
(3) Test method according to GB/T 228 "Metal material tensile test method at room temperature";
(4) The evaluation standard is in accordance with GB/T 13793 “straight seam electric welded steel pipeâ€.
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