Global Patent Index - EP 1065283 B1

EP 1065283 B1 2002-09-04 - Aluminum killed medium carbon steel sheet for cans

Title (en)

Aluminum killed medium carbon steel sheet for cans

Title (de)

Aluminiumberuhigtes Stahlband mit mittelhohem Kohlenstoffgehalt für Behälter

Title (fr)

Tôle d'acier à moyen carbone calmé à l'aluminium pour emballage

Publication

EP 1065283 B1 (FR)

Application

EP 00401866 A

Priority

FR 9908415 A

Abstract (en)

[origin: EP1065283A1] Annealing takes place continuously. The temperature is raised above the eutectic temperature of the steel, the steel is then held above this temperature for more than 10 s, and then rapidly cooled to below 350 degrees C at more than 100 degrees C/s. Production of the steel strip involves: (a) providing a hot-rolled steel strip containing (in wt.%) 0.040-0.080 C, 0.35-0.5 Mn, 0.040-0.070 Al, 0.0035-0.0060 N and the remainder Fe and inevitable impurities; (b) primary cold rolling of the obtained strip; (c) annealing the cold rolled steel strip; and (d) secondary cold rolling of the annealed steel strip. An Independent claim is included for the steel strip produced by the above process. In an aged state, its ultimate elongation is expressed in terms of the ultimate tensile strength by an equation.

IPC 1-7 (main, further and additional classification)

C21D 8/04; C21D 9/48

IPC 8 full level (invention and additional information)

C21D 8/04 (2006.01); C21D 9/48 (2006.01)

CPC (invention and additional information)

C21D 8/0468 (2013.01); C21D 9/48 (2013.01); C21D 8/0436 (2013.01); C21D 8/0473 (2013.01)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

EP 1065283 A1 20010103; EP 1065283 B1 20020904; AT 223505 T 20020915; BR 0002267 A 20010313; CA 2312672 A1 20010101; CA 2312672 C 20090929; DE 60000391 D1 20021010; DE 60000391 T2 20030731; DK 1065283 T3 20021230; ES 2182760 T3 20030316; FR 2795742 A1 20010105; FR 2795742 B1 20010803; PT 1065283 E 20030131; US 2004094247 A1 20040520; US 2004221928 A1 20041111; US 6673170 B1 20040106; US 6776856 B2 20040817; US 7169243 B2 20070130

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