Manufacture of pipes and pipe exposure of steel and iron

Businesses in the manufacture of tubes, pipes and pipe fittings from iron and steel. Including Manufacture of seamless steel hollow tubes, pipes and profiles as a result of hot rolled forming, hot drawing or hot extruding, cold rolling or cold drawing; industry of welded steel tubes and pipes as a result of hot or cold welding and forming, as a follow-up process of cold rolled or cold drawing; and the steel pipe fittings industry, such as flat flanges and flanges with forged collars, butt-welded fittings, threaded fittings and socket-welded fittings.

Iron and steel making industry

Businesses in the manufacture of iron and steel in basic forms, such as iron ore pellets, sponge iron, pig iron and the manufacture of iron and steel in the form of rough steel such as steel ingots, steel billets, bloom steel and steel slabs. Including the manufacture of iron and alloy steel. These include furnace activities, steel converters, rolling and finishing mills; production of pig iron in basic forms such as blocks; mixed iron production; production of iron products directly reduced from iron ore and other hollow iron products; iron production from refining by electrolysis and other chemical processes; iron grain and iron powder production; production of steel ingots or other basic forms; remelting of remaining iron or steel ingots; and semi-finished steel production.

Steel rolling industry

The steel milling business, both hot and cold milling, which makes grinding products for steel wire rods, reinforcing steel, profile steel (H-beam, I-beam and the like), strip steel, rail steel, steel plate, steel. hot rolled sheet and cold rolled sheet coated or uncoated with other metals or non-metals including grinding steel scrap. Including the beam or hot rolled cut steel industry, the hot rolled open section steel industry, the beam and solid section steel industry as a result of the cold drawing, grinding and turning processes, the open section steel industry resulting from progressive cold forming on rolling or folding machines on pressing machines or on rolling of steel flats, cold drawing or stretchuing of steel wire industry,