This standard specifies the classification, requirements, test methods, inspection rules, Logo and packaging. This standard applies to the design, manufacture and acceptance of welded seat plates for ship piping systems with media such as seawater, fresh water, oil and steam with a temperature not higher than 205°C.
CB/T 533-2008 Referenced Document
GB/T 1184-1996 Geometrical tolerancing--Geometrical tolerance for features without individual tolerance indications