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Heading 7507 : Nickel tubes, pipes and tube or pipe fittings(for example, couplings, elbows, sleeves).
(A) ELECTROPLATING ANODES INCLUDING THOSE PRODUCED BY ELECTROLYSIS
This group covers refined nickel anodes for electroplating by electrolytic deposition. They may be cast, rolled, drawn, extruded or may be made from cathodes or other electrodeposited shapes of heading 75.02. These anodes are either : (1) in special shapes (stars, rings, particular profiles) to give the maximum anode surface suited to the articles to be plated, and in the case of bar anodes (which are usually of oval, elliptical, rhomboidal or diamond shaped cross-section) in the length appropriate for use as anodes; or (2) in the form of plates (flat or curved), strip, sheets, discs (flat or corrugated), hemispheres or balls. To be classified in this heading these articles must have features identifying them as electroplating anodes, i.e., they must be fitted with hooks for suspending them in the electroplating tank or be prepared for hooks (e.g., by threading, piercing or tapping).
These anodes are usually of a high degree of purity. Small amounts of certain elements may, however, remain after the production process or be added deliberately, in order, e.g., to depolarise the anodes to ensure even attack over the whole surface and avoid loss of nickel through formation of sludge. These characteristics, together with the identifying features mentioned above, distinguish electroplating anodes from the cast anodes for electrolytic refining referred to in the second paragraph of the Explanatory Note to heading 75.02, which are excluded from this heading.
These conventional anodes for nickel-plating are, however, being more and more frequently replaced by basket anodes, i.e. unwrought forms such as nickel rondelles in titanium baskets (see the Explanatory Note to heading 75.02).
This heading also excludes the following, whether or not intended for use in nickel-plating or conversion into electroplating anodes : (a) Plates (cathodes) obtained simply by electrolysis, untrimmed or trimmed, or cut into strips or small rectangular pieces, but not further worked (heading 75.02). (b) Pellets, unwrought (heading 75.02). (c) Bars simply cast, rolled or extruded, not complying with the requirements as to shape, length, or working referred to above (heading 75.02 or 75.05). (d) Plates, simply rolled (heading 75.06). (B) OTHER
This group covers all articles of nickel other than those covered by the preceding group or by the preceding headings of this Chapter or by Note 1 to Section XV, or articles specified or included in Chapter 82 or 83, or more specifically covered elsewhere in the Nomenclature.
The group covers, inter alia : (1) Structures such as window frames, and fabricated parts of structures. (2) Reservoirs, vats and similar containers, of any capacity, not fitted with mechanical or thermal equipment. (3) Cloth, grill and netting of nickel wire, and expanded metal, of nickel. (4) Nickel nails, tacks, nuts, bolts, screws and other articles of the types described in the Explanatory Notes to headings 73.17 and 73.18. (5) Springs other than clock or watch springs of heading 91.14. (6) Household articles and sanitary ware, and parts thereof. (7) Blanks for coinage, in the form of nickel discs with raised edges. (8) Nickel articles corresponding to the iron or steel articles referred to in the Explanatory Notes to headings 73.25 and 73.26.
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