The Simple Pressure Vessels (Safety) Regulations 2016 No. 1092

SCHEDULE 1 U.K. Essential Safety Requirements

PART 1 U.K. Materials

Pressurised parts U.K.

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.