Metal components for picture tubes
AssigneesThyssen Krupp Stahl AG, Wickeder Westfalenstahl Holding GmbH
InventorsVolker Brandenburg, Carl-Heinz Schütz, Klaus-Peter Helmetag
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Abstract
A steel material suitable for producing components for picture tubes, in particular for producing masks, shielding covers or frames for such picture tubes, with outstanding characteristics concerning the requirements to be met by such components, according to the invention, comprises the following composition (in weight %): C: 0.0001-0.01%, N: 0.0001-0.0035%, Mn: 0.01-0.7%, Si: <0.03%, P: <0.1%, S: <0.1%, Alacid-soluble <0.008%, Cr: <0.1%, Mo: 0.0001-0.08%, Sn: <0.015%, if necessary further additives with the remainder being iron and the usual impurities.
Claims8
Metal components for picture tubes, made from a steel comprising, in weight %:
- C:
- 0.0001-0.01%, N:
- 0.0001-0.0035%, Mn:
- 0.01-0.7%, Si:
- <0.03%, P:
- <0.1%, S:
- <0.1%, Alacid-soluble:
- <0.003%, Cr:
- <0.1%, Mo:
- 0.0001-0.08%, Sn:
- <0.015%, W:
- <0.3%,
- the balance being iron and the inevitable impurities.
Dependencies are inferred from the claim text.