Global Patent Index - EP 1870172 A1

EP 1870172 A1 20071226 - A CONTINUOUS CASTING AND ROLLING METHOD FOR MEDIUM PLATE

Title (en)

A CONTINUOUS CASTING AND ROLLING METHOD FOR MEDIUM PLATE

Title (de)

STRANGGUSS- UND WALZVERFAHREN FÜR MEDIUMPLATTE

Title (fr)

PROCEDE DE COULAGE ET DE LAMINAGE EN CONTINU D'UNE TOLE MOYENNE

Publication

EP 1870172 A1 20071226 (EN)

Application

EP 06722170 A 20060327

Priority

  • CN 2006000518 W 20060327
  • CN 200510046133 A 20050328

Abstract (en)

Disclosed herein is a continuous casting and rolling process for medium plate comprising following steps: continuous casting, during molten steel passing through molds, to form casting billets having section thickness of 100mm-170mm and width of 900-2000mm by hydraulic oscillating, continuously bending and continuously straightening; direct rolling, hot feeding and hot charging by two casters with four streams and four-streams-merging-one technique, achieving rapid hot feeding and hot charging or direct rolling for continuous casting billets; roughing by a rough rolling mill with front and back vertical rolls; finishing rolling using speed-up rolling by finishing rolling mill, each stand of the rolling mill is provided with a device for axial shifting and bending device working rollers, wherein the maximum speed is 22.8m/s and the speed of roller table is up to 5.89m/s; stream cooling using three-stage stream cooling control technique; coiling with hydraulic coiler controlled by stepping-controlled technique. The invention provides improvements on layout, device, production process etc., improving production capacity, development of new grades, product quality and production organization.

IPC 8 full level

B21B 1/46 (2006.01); B21B 13/22 (2006.01); B21B 45/08 (2006.01); B22D 11/041 (2006.01); B22D 11/12 (2006.01)

CPC (source: EP KR)

B21B 1/46 (2013.01 - KR); B21B 1/463 (2013.01 - EP KR); B21B 13/22 (2013.01 - KR); B21B 37/46 (2013.01 - KR); B21B 45/0203 (2013.01 - KR); B21B 45/0218 (2013.01 - KR); B22D 11/1206 (2013.01 - EP KR); B21B 13/22 (2013.01 - EP); B21B 45/0218 (2013.01 - EP); B21B 2015/0057 (2013.01 - KR)

Designated contracting state (EPC)

AT DE FR IT TR

DOCDB simple family (publication)

EP 1870172 A1 20071226; EP 1870172 A4 20090114; EP 1870172 B1 20110706; AT E515334 T1 20110715; AU 2006228889 A1 20061005; AU 2006228889 B2 20090827; CN 1840252 A 20061004; KR 100960096 B1 20100531; KR 20070112879 A 20071127; WO 2006102835 A1 20061005

DOCDB simple family (application)

EP 06722170 A 20060327; AT 06722170 T 20060327; AU 2006228889 A 20060327; CN 200510046133 A 20050328; CN 2006000518 W 20060327; KR 20077024084 A 20060327