CSN EN 13480-2 (13 0020) This Part of this European Standard specifies the requirements for materials (including metallic clad materials) for industrial piping and supports covered by EN 13480-1 manufactured from of metallic materials. It is currently limited to steels with sufficient ductility. This Part of this European Standard is not applicable to materials in the creep range. Original English text of CSN EN Standard. The price of the Standard included all amendments and correcturs.