1988 Ed.]
Import and Export (Strategic Commodities) Regulations
[CAP. 60
G141
[Subsidiary]
IL1603
IL1631
IL1635
IL1648
(a) Technology for producing pyrolitically derived materials formed on a mould, mandrel or other substrate from precursor gases which decompose in the 1573K (1300°C) to 3173K (2900°C) temperature range at pressures of 133.3 Pa to 19.995 kPa (including the composition of precursor gases/flow rates, and process control schedules and parameters);
(b) Specially designed nozzles for the above processes.
Seamless tube and pipe which have an outside diameter of 60 mm (2.36 inches) or greater, and seamless fittings therefor, which are made of nickel-base superalloys which contain the following major alloying elements: 19.0 weights per cent or more chromium, 7.4 per cent or more molybdenum, a maximum of 60 per cent iron, and 3.0 per cent or more niobium (columbium) or niobium and tantalum combined.
Magnetic metals of all types and of whatever form possessing one or more of the following characteristics-
(a) Initial permeability: 0.15 henry/m (120000 gauss/oersteds) or more calculated at induction 0 and magnetic field strength 0 or the equivalent;
Note:
Measurement of initial permeability must be carried out on materials which: (a) Have a thickness between 0.076 mm (3 mil) and 2.54 mm (100 mil); and (b) Are fully annealed.
(b) Remanence: 98.5 per cent or over of maximum magnetic flux for materials having magnetic permeability;
(c) Capable of an energy product of 200000 J/m3 (25 × 106 gauss/oersteds) or more;
(d) Grain-oriented iron alloy sheets or strips of a thickness of 0.1 mm (0.004 inch) or less;
(e) Magnetostrictive alloys as follows;
(1) Saturation magnetostriction more than 5 × 10-6; or
(2) Magnetomechanical coupling factor (k) more than 0.8.
(f) Amorphous alloy strips having both of the following characteristics:
(1) Composition having a minimum 75 weight per cent of one or more of the elements iron, cobalt and nickel; and
(2) Saturation magnetic induction (B) of 1.6 tesla or more, and either:
(i) Strip thickness of 0.020 mm (0.0008 inch) or less; or
(ii) Electrical resistivity of 2 × 10-4 ohm-cm or more.
Iron and steels alloyed as follows-----
(a) Containing 10 percent or more molybdenum (but more than 5 per cent molybdenum in any alloys containing more than 14 per cent chromium); except products obtained by casting and having a carbon content of more than 1.5 per cent;
(b) Steel alloys in crude or semi-fabricated form, which contain a combination of the following major alloy elements in the amounts listed:
(1) 4.5 to 5.95 per cent nickel by weight;
(2) 0.3 to 10 per cent chromium;
(3) 0.2 to 9.75 per cent molybdenum;
(4) 0.04 to 0.15 per cent vanadium;
(5) Less than 0.19 per cent carbon;
(See also Item IL1672.)
alsó
Cobalt-based alloys (i.e. containing a higher percentage by weight of cobalt than of any other element), as follows-
(a) Containing 5 per cent or more of tantalum;
(b) Dispersion strengthened containing more than 1 per cent of oxides of thorium, aluminium, yttrium, zirconium or cerium; or
(c) Containing 0.05 per cent or more of scandium, yttrium, didymium, cerium, lanthanum, neodymium, or praseodymium.
(See also Item IL1672.)