Global Patent Index - EP 1029617 A2

EP 1029617 A2 2000-08-23 - Casting steel strip

Title (en)

Casting steel strip

Title (de)

Bandgiessverfahren

Title (fr)

Coulé de bande méallique

Publication

EP 1029617 A2 (EN)

Application

EP 00300852 A

Priority

AU PP852599 A

Abstract (en)

In twin roll casting of steel strip, molten steel is introduced into the nip 16B between parallel casting rolls (16) to create casting pool (30) supported on casting surfaces (16A) of the rolls and the rolls are rotated to deliver solidified strip (20) downwardly from the nip. Casting surfaces (16A) are textured by a random pattern of discrete projections having pointed peaks and the strip is moved away from the casting pool at a speed of more than 60 meters per minute. In order to suppress chatter defects, the molten steel has a manganese content of less than 0.6% by weight and a silicon content in the range of 0.1 to 0.35% by weight. The random texture may be produced by grit blasting the casting surfaces on a substrate covered by a protective coating. Alternatively the texture may be produced by chemical deposition or electrodeposition of a coating onto a substrate to form the casting surfaces. <IMAGE>

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

B22D 11/06

IPC 8 full level (invention and additional information)

B22D 11/00 (2006.01); B22D 11/06 (2006.01); B22D 11/16 (2006.01)

CPC (invention and additional information)

B22D 11/0651 (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 1029617 A2 20000823; EP 1029617 A3 20010110; EP 1029617 B1 20040107; EP 1029617 B2 20170104; AT 257415 T 20040115; AU 1491300 A 20000810; AU 761348 B2 20030605; AU PP852599 D0 19990304; BR 0000263 A 20000905; CA 2302476 A1 20000805; CA 2302476 C 20090120; CN 1263804 A 20000823; CN 1273243 C 20060906; DE 60007570 D1 20040212; DE 60007570 T2 20041104; ID 26785 A 20010208; JP 2000225447 A 20000815; JP 4734496 B2 20110727; KR 100649389 B1 20061124; KR 20000057923 A 20000925; MY 122670 A 20060429; NZ 502396 A 20010330; TW 464565 B 20011121; ZA 200000294 B 20001227

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