Experimental study circumferential weld residual stress of submarine pressure hull
Security assessment of over roundness circumferential weld of the pressure vessel
Opportune time for shuting preparatory circumferential welding seam of penstock′s expansion section
Longitudinal and circumferential welded seams shall not interfere with nozzle openings, reinforcement plates and saddle pads, as far as possible.
The circumferential welding and the straight seam welding at all position can be realizable by using welding crawl equipment for all position together with the flexible metal band track.
