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Title:
METHOD FOR PRODUCING STEEL SHEET FOR SHADOW MASK BEING EXCELLENT IN ACCURACY OF THICKNESS IN LONGITUDINAL DIRECTION
Document Type and Number:
WIPO Patent Application WO/2000/073518
Kind Code:
A1
Abstract:
A method for producing a steel sheet for a shadow mask which is excellent in the accuracy with respect to thickness in longitudinal direction, characterized in that a steel comprising, in mass %, 0.1 % or less of C, 0.05 % or less of Si, 0.1 to 0.5 % of Mn, 0.03 % or less of P, 0.001 to 0.05 % of S, 0.002 to 0.15 % of Sol.Al, and 0.008 % or less of N, the residue of the steel consisting substantially of Fe, is hot rolled, the hot rolled sheet is subjected to a decarburization annealing, and then the resultant steel sheet is cold rolled to a desired thickness.

Inventors:
KODAMA SATOSHI
INOUE TADASHI
MORITA MASAYA
TAHARA KENJI
MITSUZUKA KENICHI
TAKI KAZUHIRO
KAWAHARA TETSUO
MORI MASAZUMI
Application Number:
PCT/JP2000/003491
Publication Date:
December 07, 2000
Filing Date:
May 31, 2000
Export Citation:
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Assignee:
NIPPON KOKAN KK (JP)
NIPPON MINING CO (JP)
International Classes:
H01J29/07; B21B3/00; C21D8/02; C21D9/46; C22C38/00; C22C38/04; C22C38/06; H01J9/14; C21D3/04; (IPC1-7): C21D9/46; H01J9/14; H01J29/07; H01J31/20; C22C38/00; C22C38/06
Foreign References:
JPS6340848B21988-08-12
JPS5031092B11975-10-07
JPS5629933B21981-07-11
Attorney, Agent or Firm:
Suzuye, Takehiko (Kasumigaseki 3-chome Chiyoda-ku Tokyo, JP)
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