HS 2017     Description of product            Working or processing, carried out on
                                        non-originating materials, which confers originating
                                                               status
       (1)               (2)                    (3)              or               (4)
             steel, whether or not      materials of any other      the value of all the
             drilled, punched or        heading                     materials used does not
             made from assembled                                    exceed 50 % of the
             elements; welded                                       ex-works price of the
             angles, shapes and                                     product
             sections, of iron or
             steel
7302         Railway or tramway         Manufacture from           Manufacture in which
             track construction         materials of any other     the value of all the
             material of iron or        heading                    materials used does not
             steel, the following:                                 exceed 50 % of the
             rails, check-rails and                                ex-works price of the
             rack rails, switch                                    product
             blades, crossing frogs,
             point rods and other
             crossing pieces,
             sleepers (cross-ties),
             fish-plates, chairs,
             chair wedges, sole
             plates (base plates),
             rail clips, bedplates,
             ties and other material
             specialised for jointing
             or fixing rails
7304         Tubes, pipes and           Manufacture from           Manufacture in which
             hollow profiles,           materials of any other     the value of all the
             seamless, of iron          heading                    materials used does not
             (other than cast iron)                                exceed 50 % of the
             or steel                                              ex-works price of the
                                                                   product
7305         Other tubes and pipes      Manufacture from           Manufacture in which
             (for example, welded,      materials of any other     the value of all the
             riveted or similarly       heading                    materials used does not
             closed), having circular                              exceed 50 % of the
             cross-sections, the                                   ex-works price of the
             external diameter of                                  product
             which exceeds 406.4
             mm, of iron or steel
7306         Other tubes, pipes and     Manufacture from           Manufacture in which
             hollow profiles (for       materials of any other     the value of all the
             example, open seam or      heading                    materials used does not
             welded, riveted or                                    exceed 50 % of the
             similarly closed), of                                 ex-works price of the
             iron or steel                                         product
ex 7315      Chain and parts
             thereof, of iron or
             steel
7315. 20     - Skid chain               Manufacture from           Manufacture in which
                                        materials of any other     the value of all the
                                        heading                    materials used does not