The Top500-Lexicon

· operation of blast furnaces, steel converters, rolling and finishing mills

· production of pig iron and spiegeleisen in pigs, blocks or other primary forms

· production of ferro-alloys

· production of semi-finished products of iron or non-alloy steel

· production of ingots, other primary forms and semi-finished products of stainless steel or other alloy steel

· production of angles, shapes and sections of stainless steel or other alloy steel

· production of bars and rods of stainless steel or other alloy steel

· production of flat-rolled products of iron or non-alloy steel

· production of angles, shapes and sections of iron or non-alloy steel

· production of bars and rods of iron or non-alloy steel

· production of sheet piling

· production of railway track materials (unassembled rails)

· manufacture of cast-iron tubes and cast-iron or steel centrifugally cast tubes

· manufacture of cast-iron fittings: non-malleable and malleable cast-iron fittings and cast-steel fittings for which connection is obtained by screwing for threaded fittings, by contact for socket fittings or by bolting for flange fittings

· manufacture of seamless tubes, by hot rolling, hot extrusion or hot drawing, or by cold drawing or cold rolling

· manufacture of welded tubes by cold or hot forming and welding, by forming and cold drawing, or by hot forming and reducing

· manufacture of steel tube fittings:

· flat flanges and flanges with forged collars of steel

· butt welding fittings of steel

· threaded fittings and other fittings of steel

· manufacture of steel bars or sections by cold drawing, grinding or peeling

· manufacture of open sections by progressive forming on a roll mill or folding on a press of flat-rolled products of steel

· manufacture of steel wire by cold drawing or stretching

· production of granular iron and iron powder; production of iron of exceptional purity by electrolysis or other chemical processes

· forging or casting operations in connection with the manufacture of metal products, see divisions 28-36