BS 3504:1962
Withdrawn
Date published:
Specification for magnesium-activated nickel for cathodes of electronic tubes and valves
Specifies the composition, mechanical properties and finish of two grades of magnesium-activated nickel (0.075 and 0.050 per cent magnesium) in the form of tube, strip, tape or wire used in the manufacture of oxide-coated cathodes for electronic tubes and valves.
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77.150.40 Nickel and chromium products
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