This European Standard specifies the requirements for the product forms for use in pressure parts of water-tube boilers and for parts welded on to pressure parts:
? plates;
? wrought seamless tubes;
? electrically welded tubes;
? submerged, plasma and TIG arc-welded tubes;
? forgings;
? castings;
? rolled bars;
? welding consumables;
? fasteners;
? seamless composite tubes.