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This document specifies requirements for the design, material, manufacturing and testing of cast iron pressure vessels and pressure vessel parts made from materials for which details are specified from the following material standards for specific grades which meet the criterion of an elongation after fracture less than or equal to 15 %: - EN 1561:2011, Founding - Grey cast irons; - EN 1563:2018, Founding - Spheroidal graphite cast irons; - EN 13835:2012, Founding - Austenitic cast irons. The application of this document is limited to pressure equipment and pressure parts containing a fluid of group 2 (non-hazardous fluid) according to the European legislation for pressure equipment.