1959-HKRS30-8-49_Part03 — Page 26

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(2) 6 per cent cobalt except permanent magnetic metals with a cobal

content of 25 per cent or less; or

(3) 15 per cent or more columbium or tantalumo.

(6) Nickel bearing steels, not elsewhere specified, containing a total of

32 per cent or more of alloying elements;

(c) Precipitation hardening steels, containing 4 per cent or more nickel

5. Cobalt, as follows:

() Raw materials including ores, residue, concentrates, mants, regulu

dross, arsenical crystals, white alloys and red alloys;

(b) Cobalt metal and cobalt-bearing alloys:

(c) Compounds of all types;

(d) Scrap forms of the metals and alloys covered under (5) above.

6. Niobium (Columbium), as follows:

(e) Raw materials;

(5) Ferro-niobium and ferro-niobium-tantalum:

(c) Metal and niobium-based alloys containing 60 per cent or more niobium

or 60 per cent or more niobium-lantalum in combigation;

(d) Scrap forms of the metal and alloys covered under (c) above.

7. Germanium and germanium compounds.

8. Magnesium base alloys having a content of 0.4 per cent or more of zirconium, or 1.5 per cent or more of thorium, or 1 per cent or more of rare earth metals (cerium mischmetal), as follows:

(a) Crude and semi-fabricated forms;

(6) Scrap forms.

9. Molybdenum, as follows;

(a) Ferro-molybdenum¦

(6) Metal and molybdenum-based alloys containing 60 per cent or more

molybdenum;

(c) Tubing and platinum-clad tubing.

10. Nickel, as follows;

(a) Raw materials;

(b) Metal and nickel-based alloys;

(c) Scrap forms of the metal and alloys covered under (6) above.

11. Tungsten wire and filament, coated or uncoated, cut or uncut.

12. Tantalum, as follows:

(a) Raw materials:

(b) Ferro-tantalum and ferro-taptalum-niobium;

(c) Metal and tantalum-based alloys containing 60 per cent or mon

tantalum or 60 per cent or more tantalum-nicbium in combination:

(d) Scrap forms of the metal and alloys covered under (2) above: (e) Seamless pipe and tubing.

13. Titanium, as follows:

(a) Metal and titanium-based alloys containing 70 per cent or more

titanium;

(b) Serap forms of the metal and alloys covered under (a) above.

GROUP 1.

1

CHEMICALS AND CHEMICAL PRODUCTS,

1. Detonating and priming compositions:

(a) Mercury fulminate, lead azide, lead stypbnate, lead thiocyanate, kad dinitroresorcinate, barium styphnate tetrazine; and detonating or priming compositions (mixtures) containing one or more of these chemicals. (B) Sodium azide.

1 Hydraulic fluids, synthetic, having a viscosity of not more than 4,000 cen-

Elstokes at-14°C and not less than 1.5 centistokes at+150°C,

3. Stabilizers for explosives, as follows:

(4) Ethyl and methyl centralites:

(6) Diphenylamine;

() NN-diphenylurea (unsymmetrical diphenylures):

() Methyl-NN-diphenylurea (methyl unsymmetrical diphenylurea);

(e) Ebyl-NN-diphenylurea (ethy) unsymmetrical diphenylurea);

Ethyl pheny! urethane:

(*) Diphenyl urethane;

(4) Diortha toly!-urethane:

(0) 2-Mitrodiphenylamine:

(p-Nitromethylaniline.

4. Bocon, the following:

(0) Boron minerals, crude and refined:

(b) Boron element (metal), all forms, including grains and powder:

(e) Boron carbide and boron nitride:

(d) Boron compounds and mixtures, not elsewhere specified, the following:

(0) Borte acids and salta (sodium, potassium, ammonium, magnesium

and calcium) and esters of baric acids, crude or refined, not inclad- ing perborates;

(2) Boric oxide, boran trifluoride and its complexes, boron trichloride

and its complexes and fluoborales;

(3) Other boron compounds and mixtures containing 10 per cent or more of boron in' combined and/or elementul (metallic) form (but not including perborates, metal borates).

1. Diethylene triamide.

6. Hydrazine; hydrazine hydrate; hydrazine nitrate; unsymmetrical dimethyl

hydrazine.

1. Hydrogen peroxide (50 per cent strength and over)

★ Nitroguanidine,

1. Guaniding nitrate.

10. Molybdenum disulphide of a pority of 86 per cent or more.

11. Pentaerythritol tetranitrate.

12. Picric acid (trinitrophenol).

13. Silicone fuids and greases, as follows:

(2) Halogenated silicone fluids;

(A) Lubricating greases capable of operating at temperatures of 108°C or

higher and having a drop point to 220°C or higher.

14. Sillcon of a purity of 999 per cent or more.

1. Tantalum compounds.