10
(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.