Inspection preparation of dsaw pipe before leaving the factory
Date:2017-11-02
Views:2273
1, Radial seal after the hydrostatic test.
2, Ultrasonic testing, to ensure that no internal vulnerability.
3, The welding parts of the mechanical properties, chemical composition, integration of the situation.
4, The vertical inspection of the end of the steel pipe and slightly modified the broken and blunt edges.
