SCHEDULE 1

PART II

GROUP 3H

Note Goods specified in the heads of this Group may also be specified in Group 2 of this Part of this Schedule.

Metals, Minerals and their Manufactures

In this Group, the following definitions apply–

Crude forms

Anodes, balls, bars (including notched bars and wire bars) billets, blocks, blooms, briquettes, cakes, cathodes, crystals, cubes, dice, grains, granules, ingots, lumps, pellets, pigs, powder, rondelles, shot, slabs, slugs, sponge, sticks;

Semi-fabricated forms (whether or not coated, plated, drilled or punched)–

  • Wrought or worked material fabricated by rolling, drawing, extruding, forging, impact extruding, pressing, graining, atomising and grinding, i.e. angles, channels, circles, discs, dust, flakes, foil and leaf, forgings, plates, powder, pressings and stampings, ribbons, rings, rods (including bare welding rods, wire rods and rolled wire), sections, shapes, sheets, strip, pipe and tube (including tube rounds, squares and hollows), drawn or extruded wire;

(2)

Cast material produced by casting in sand, die, metal, plaster or other types of moulds, including high pressure castings, sintered forms and forms made by powder metallurgy.

IL1603

Seamless tubes and pipes having an outside diameter of 60 mm or more, and seamless fittings therefor, made of nickel-base superalloys containing the following major alloying elements, by weight: 19% or more of chronium, 7.4% or more of molybdenum, not more than 6% of iron, and 3% or more of niobium (columbium) or of niobium and tantalum combined

A

IL1631

Magnetic materials, the following–

(1)

Magnetic materials in all forms having any of the following characteristics–

(a)

initial permeability of 0.15 henry/m units (120,000 gauss/oersteds) or more calculated at induction 0 and magentic field strength 0 or the equivalent

A

(b)

remanence 98.5% or more of maximum flux for materials having magnetic permeability

A

  • or

(c)

a composition capable of an energy product of 200,000 joules/mu23 (25 x 10u26 gauss-oersteds) or more

A

(2)

Grain oriented iron alloy sheets or strips having a thickness of 0.1 mm or less

A

(3)

Magnetorestrictive alloys having either of the following characteristics–

(a)

saturation magnetorestriction more than 5 × 10u2–u24; or

A

(b)

magnetomechanical coupling factor (K) more than 0.8

A

(4)

Amorphous alloy strips having both of the following characteristics–

A

(a)

a composition having 75% or more of iron, cobalt or nickel, and

(b)

a saturation magentic induction of 1.6 tesla or more, with a strip thickness of 0.020 mm or less or electrical resistivity of 2 × 10u2–u24 ohm-cm or more.

IL1635

Steels in crude or semi-fabricated forms containing a higher percentage of iron than of any element and not being products obtained by casting with a carbon content of more than 1.5%, the following–

(1)

Steels containing 10% or more of molybdenum

A

(2)

Steels containing 5% or more of molybdenum together with 14% or more of chromium

A

(3)

Steel alloys containing a combination of the following major alloy elements in the amounts specified, by weight: 4.5 to 5.95% of nickel, 0.3 to 1.0% of chromium, 0.2 to 0.75% of molybdenum, 0.04 to 0.15% of vanadium and less than 0.19% of carbon

A

IL1648

Cobalt-based alloys containing a higher percentage of cobalt than of any other element and one or more of the following constituents in the proportions stated–

(1)

5% or more of tantalum; or

A

(2)

1% or more of thorium, aluminium, yttrium, zirconium or cerium oxides; or.

A

(3)

0.05% or more of rare earth metals

A

in crude or semi-fabricated forms.

IL1649

Niobium (columbium) based alloys containing 60% or more but not more than 99.3% of niobium, or having a combined content of 60% or more but not more than 99.3% of niobium-tantalum, in crude, semi-fabricated or scrap forms

A

IL1658

Molybdenum alloys containing not less than 97.5% or more than 99.9% of molybedenum, in crude or semi-fabricated forms, except wire

A

IL1661

Nickel alloys containing a higher percentage of nickel than of any other element and containing–

(1)

11% or more of aluminium and titanium combined; or

A

(2)

1% or more of oxides of thorium, aluminium, yttrium, zirconium, cerium, or lanthanum; or

A

(3)

0.05% or more of scandium, yttrium, didymium, cerium, lanthanum, neodymium or praseodymium

A

in crude or semi-fabricated forms.

IL1670

Tantalum, the following–

(1)

Tantalum powder containing less than 200 parts per million of total metallic impurities

A

(2)

Sintered anodes fabricated from tantalum powder containing less than 200 parts per million of total metallic impurities

A

(3)

Tantalum based alloys containing 60% or more of tantalum (except ferro-tantalum or ferro-tantalum-niobium containing 25% or more of iron or other metalloid elements), in crude or semi-fabricated forms or scrap

A

IL1671

Titanium based alloys in crude or semi-fabricated form or scrap, having nominal compositions of 6% aluminium, 2% tin, 4% zirconium, 6% molybdenum and the balance titanium

A

In this entry the alloying compositions are nominal and may be subject to slight variations.

IL1672

Aluminides of titanium containing 12% or more of aluminium by weight, and aluminides of nickel, cobalt and iron containing 10% or more of aluminium by weight, in crude or semi-fabricated forms, and scrap thereof

A

IL1674

Vanadium, including scrap, of a purity of 99.7% or higher and alloys containing vanadium, including scrap, of such purity as an alloying agent

A

IL1675

Superconductive materials of all types and processed conductors containing at least one superconducting constituent, designed for operation at temperatures below 103 K (–170°C)

A

except processed conductors possessing all of the following characteristics–

(1)

The superconducting constituent, when evaluated in sample length of less than 1 metre, does not remain in the superconducting state when exposed to a magnetic induction in excess of 12 tesla at a temperature of 4.2 K (–268°C);

(2)

The superconducting constituent or filament has a cross-section area greater than 3.14 × 10u2–u24 mmu22 or, in the case of circular filaments, a diameter greater than 20 micrometres;

(3)

The superconducting filaments are included in a copper or copper-based matrix; and

(4)

The conductor is either non-coated or insulated with varnish, glass fibre, polyamide or polyimide.

—

Aluminium alloys, in which zinc predominates by weight over any other single alloying element in the following forms–

tubes, rods, forgings, bars and billets

A

—

Maraging steel alloy capable of ultimate tensile strength of 2.050 × 10u29 N/mu22 (300,000 pounds per square inch) or greater, whether or not finally heat-treated, in crude, semi-fabricated or fabricated form

A