Harmonized System
METALLI COMUNI E LORO LAVORI
Ghisa, ferro e acciaio
PRIMARY MATERIALS; PRODUCTS IN GRANULAR OR POWDER FORM
Sub-Chapter I
PRIMARY MATERIALS; PRODUCTS IN GRANULAR OR POWDER FORM
GENERAL
The sub‑Chapter covers :
(1) The primary materials of iron and steel metallurgy (pig iron, spiegeleisen, ferro‑alloys, ferrous products obtained by direct reduction of iron ore and other spongy ferrous products, waste and scrap and remelting scrap ingots) and iron having a minimum purity by weight of 99.94 % (headings 72.01 to 72.04).
(2) Granules and powders, of pig iron, spiegeleisen, iron or steel (heading 72.05).
Ghise gregge e ghise specolari in pani, salmoni o altre forme primarie.
Ferro-leghe.
Prodotti ferrosi ottenuti per riduzione diretta di minerali di ferro ed altri prodotti ferrosi spugnosi, in pezzi, palline o forme simili; ferro di purezza minima, in peso, di 99,94 %, in pezzi, palline o forme simili.
Cascami e avanzi di ghisa, di ferro o di acciaio (rottami); cascami lingottati di ferro o di acciaio.
Graniglie e polveri, di ghisa greggia, di ghisa specolare, di ferro o di acciaio.
IRON AND NON‑ALLOY STEEL
Sub‑chapter II
IRON AND NON‑ALLOY STEEL
GENERAL
Provided that they are of iron or non‑alloy steel this sub‑Chapter covers :
(1) Ingots or other primary forms such as puddled bars, pilings, blocks, lumps, including steel in the molten state (heading 72.06).
(2) Semi‑finished products such as blooms, billets, rounds, slabs, sheet bars, pieces roughly shaped by forging, blanks for angles, shapes and sections (heading 72.07).
(3) Flat‑rolled products (headings 72.08 to 72.12).
(4) Bars and rods, hot‑rolled, in irregularly wound coils (heading 72.13) and other bars and rods (heading 72.14 or 72.15).
(5) Angles, shapes and sections (heading 72.16).
(6) Wire (heading 72.17).
Ferro ed acciai non legati in lingotti o in altre forme primarie, escluso il ferro della voce 7203.
Semiprodotti di ferro o di acciai non legati.
Prodotti laminati piatti, di ferro o di acciai non legati, di larghezza uguale o superiore a 600 mm, laminati a caldo, non placcati né rivestiti.
Prodotti laminati piatti, di ferro o di acciai non legati, di larghezza uguale o superiore a 600 mm, laminati a freddo, non placcati né rivestiti.
Prodotti laminati piatti, di ferro o di acciai non legati, di larghezza uguale o superiore a 600 mm, placcati o rivestiti.
Prodotti laminati piatti, di ferro o di acciai non legati, di larghezza inferiore a 600 mm, non placcati né rivestiti.
Prodotti laminati piatti, di ferro o di acciai non legati, di larghezza inferiore a 600 mm, placcati o rivestiti.
Vergella o bordione di ferro o di acciai non legati.
Barre di ferro o di acciai non legati, semplicemente fucinate, laminate o estruse a caldo, nonché quelle che hanno subito una torsione dopo la laminazione.
Altre barre di ferro o di acciai non legati.
Profilati di ferro o di acciai non legati.
Fili di ferro o di acciai non legati.
STAINLESS STEEL
Sub‑Chapter III
STAINLESS STEEL
GENERAL
Heat‑resisting steel, creep‑resisting steel and any other steel complying with the specified criteria in Note 1 (e) to this Chapter are to be classified as stainless steel.
Because of its high resistance to corrosion, stainless steel is put to a very wide range of uses, e.g., in the manufacture of silencers, catalytic converters or transformer tanks.
This sub‑Chapter covers stainless steel in the forms mentioned in headings 72.18 to 72.23.
Acciai inossidabili in lingotti o in altre forme primarie; semiprodotti di acciai inossidabili.
Prodotti laminati piatti, di acciai inossidabili, di larghezza uguale o superiore a 600 mm.
Prodotti laminati piatti, di acciai inossidabili, di larghezza inferiore a 600 mm.
Vergella o bordione di acciai inossidabili.
Barre e profilati di acciai inossidabili.
Fili di acciai inossidabili.
OTHER ALLOY STEEL; HOLLOW DRILL BARS AND RODS, OF ALLOY OR NON‑ALLOY STEEL
Sub‑Chapter IV
OTHER ALLOY STEEL; HOLLOW DRILL BARS AND RODS, OF ALLOY OR NON‑ALLOY STEEL
GENERAL
Other alloy steel is defined in Note 1 (f) to this Chapter and hollow drill bars and rods in Note 1 (p) to this Chapter.
This sub‑Chapter covers alloy steel other than stainless steel, in the form of ingots or other primary forms, semi‑finished products (e.g., blooms, billets, rounds, slabs, sheet bars, pieces roughly shaped by forging), flat‑rolled products, whether or not in coils (so‑called wide‑flats, wide coil, sheets, plates or strip), bars and rods, angles, shapes or sections, or wire.
All these products may be worked provided that they do not thereby assume the character of articles or of products falling in other headings (see the Explanatory Notes to headings 72.06 to 72.17).
The metals most commonly present in other alloy steel are manganese, nickel, chromium, tungsten (wolfram), molybdenum, vanadium and cobalt; the most common non‑metal additive is silicon. These alloying materials confer special properties to the steel, e.g., resistance to shock and wear (e.g., manganese steels); improved electrical qualities (silicon steels); improved tempering qualities (e.g., vanadium steels); or increased cutting speed (e.g., chrome‑tungsten steels).
Other alloy steels are used for many purposes requiring special qualities (e.g., durability, increased hardness, resilience, strength), for example, in armaments, tools and cutlery, and machinery.
Alloy steels of this sub‑Chapter include :
(1) Alloy engineering and structural steels usually containing the following elements : chromium, manganese, molybdenum, nickel, silicon and vanadium.
(2) Alloy steels having improved tensile strength and welding properties containing in particular very small quantities of boron (0.0008 % or more by weight) or of niobium (0.06 % or more by weight).
(3) Alloy steels, containing chromium or copper, which are weather resistant.
(4) Alloy steels for so‑called “magnetic” sheets (having a low magnetic loss) generally containing 3 to 4 % of silicon and possibly aluminium.
(5) Free‑cutting alloy steels which not only conform to the requirements of Note 1 (f) but also contain at least one of the following elements : lead, sulphur, selenium, tellurium or bismuth.
(6) Alloy bearing steels (generally containing chromium).
(7) Alloy manganese silicon spring steels (containing manganese, silicon and possibly chromium or molybdenum) and other alloy steels for springs.
(8) Non‑magnetic alloy steels resistant to shock and abrasion, having a high manganese content.
(9) High speed steels : alloy steels containing, with or without other alloy elements, at least two of the three elements molybdenum, tungsten and vanadium with a combined content by weight of 7 % or more, 0.6 % or more of carbon and 3 to 6 % of chromium.
(10) Non‑distorting tool steels : containing generally by weight 12 % or more of chromium and 2 % or more of carbon.
(11) Other alloy tool steels.
(12) Permanent magnet steels containing aluminium, nickel, and cobalt.
(13) Non‑magnetic alloy steels which are characterised by their manganese or nickel content, other than those covered by sub‑Chapter III.
(14) Steels for control rods in nuclear reactors (with high boron content).
This sub‑Chapter also includes hollow drill bars and rods, of alloy or non‑alloy steel (heading 72.28).