Pressurised partsU.K.
This section has no associated Explanatory Memorandum
2. The materials used for manufacturing the pressurised parts of the vessel must be—
(a)capable of being welded;
(b)ductile and tough, so that a rupture at minimum working temperature does not give rise to either fragmentation or brittle-type fracture;
(c)not adversely affected by ageing.