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.