# Commission Regulation (EU) No 1006/2011 of 27 September 2011 amending Annex I to Council Regulation (EEC) No 2658/87 on the tariff and statistical nomenclature and on the Common Customs Tariff, Division 1: In this chapter, the following expressions have the meanings hereby assigned to them:

Extent: E+W+S+N.I.

(a) Alloy pig iron
Pig iron containing, by weight, one or more of the following elements in the specified proportions:
more than 0,2 % of chromium,
more than 0,3 % of copper,
more than 0,3 % of nickel,
more than 0,1 % of any of the following elements: aluminium, molybdenum, titanium, tungsten (wolfram), vanadium.
(b) Non-alloy free-cutting steel
Non-alloy steel containing, by weight, one or more of the following elements in the specified proportions:
0,08 % or more of sulphur,
0,1 % or more of lead,
more than 0,05 % of selenium,
more than 0,01 % of tellurium,
more than 0,05 % of bismuth.
(c) Silicon-electrical steel
Alloy steels containing by weight at least 0,6 % but not more than 6 % of silicon and not more than 0,08 % of carbon. They may also contain by weight not more than 1 % of aluminium but no other element in a proportion that would give the steel the characteristics of another alloy steel.
(d) High-speed steel
Alloy steels containing, with or without other 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.
(e) Silico-manganese steel
Alloy steels containing by weight:
not more than 0,7 % of carbon,
0,5 % or more but not more than 1,9 % of manganese, and
0,6 % or more but not more than 2,3 % of silicon, but no other element in a proportion that would give the steel the characteristics of another alloy steel.

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Source: https://www.legislation.gov.uk/eur/2011/1006/annex/I/chapter/72/annotations/2/annotation/1 (the official version)
Page: https://openlegislation.uk/eu-regulation-2011-1006/annex-I/chapter-72/annotations/2/annotation/1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.