Steel sheets for painting and a method of producing the same

Details Steel sheets for painting and a method of producing the same Steel sheets for painting and a method of producing the same

1986-12-31

1989-01-17

Zimmerman, John J.

Stock material or miscellaneous articles

All metal or with adjacent metals

Having variation in thickness

428687, 428925, 72199, B21D 5300

Patent

active

047987723

ABSTRACT:
A painting steel sheet having an improved distinctness of image after painting has such a surface roughness profile that a center-line average roughness is within a range of 0.3-3.0 .mu.m and a microscopic shape is comprised of mountain portions, groove-like valley portions and middle flat portions satisfying particular dimension relations, and is produced by temper rolling a steel sheet at a draft of not less than 0.3% with work roll dulled to particular dimensions through a high density energy source.

REFERENCES:
patent: 2991544 (1961-07-01), Gotsch et al.
patent: 3619881 (1971-11-01), Bulls et al.
patent: 3623850 (1971-11-01), Horvath
patent: 4071657 (1978-01-01), Rault
patent: 4200382 (1980-04-01), Friedman
patent: 4679288 (1987-07-01), Mongant et al.
Cahiers d'Informations Techniques de la Revue de Metallurgie, vol. 80, No. 5, May 1983, pp. 393-401, Paris, Fr., J. Crahay et al; "Gravure de la Rugosite des Cylindres de Laminoir par Impulsions Laser".

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