Guideline G-14
Those fine grained steels are micro-alloyed steels for pressure purposes as, for example, those given in EN 10028-3 or in EN 10222-4. For these steels, the quantitative value of permissible membrane stress stated in Annex I Section 7.1.2 does not apply. However an equivalent overall level of safety must be achieved (refer to PED Guideline […]