This standard specifies the inspection scope, methods, weld quality assessment and inspection and acceptance procedures for submarine hull structure welding. This standard is applicable to the welding quality inspection of submarines with a steel plate thickness of 3~100mm and using 921A, 922A and 907A steel as the hull structure.
CB/Z 125-1998 history
2013CB/Z 125-2012 Inspection regulation of welding quality for submarine hull structure and quality classification
1998CB/Z 125-1998 Inspection regulation of welding quality for submarine hull structure