V. Test items and sample sampling diagram
(1) Weld metal tensile: Joint tensile, impact, side bend, and face bend are tested according to the standard of the butt joint.
(2) The cross joint is bent according to the T-joint test standard (GB7032 - 1986).
(3) The sampling position of the mechanical property test specimen is shown in Fig. 5.
Sixth, welded joint inspection and results
(1) Non-destructive test results After welding, the full length of the weld is inspected by ultrasonic flaw detection, magnetic powder inspection, weld fusion is intact, no porosity, cracks and slag inclusion defects, and no other welding defects.
(2) The chemical composition and mechanical properties of deposited metal are shown in Table 7.
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