ČSN EN 12953-2

This document specifies the following materials for the pressure parts of shell boilers and equipment of shell boilers (e.g. valves), subjected to internal and external pressure including integral attachments: - flat products (plate) and parts formed from flat products (e.g. shell, furnace, dished ends); - tubes and parts formed from tubes (e.g. tube bends, elbows, reducers, fittings); - forgings and cast products; - bolting materials; - welding consumables.