Global Patent Index - EP 1485511 A2

EP 1485511 A2 20041215 - HIGH-RESISTANT, LOW-DENSITY HOT LAMINATED STEEL SHEET AND METHOD FOR THE PRODUCTION THEREOF

Title (en)

HIGH-RESISTANT, LOW-DENSITY HOT LAMINATED STEEL SHEET AND METHOD FOR THE PRODUCTION THEREOF

Title (de)

WARMGEWALZTES HOCHFESTES STAHLBLECH MIT NIEDRIGER DICHTE UND VERFAHREN ZUR HERSTELLUNG

Title (fr)

TOLE D'ACIER LAMINEE A CHAUD A TRES HAUTE RESISTANCE ET DE FAIBLE DENSITE, ET PROCEDE DE FABRICATION

Publication

EP 1485511 A2 20041215 (FR)

Application

EP 03725278 A 20030310

Priority

  • FR 0300765 W 20030310
  • FR 0202998 A 20020311

Abstract (en)

[origin: US7416615B2] The invention relates to a high-resistant, low-density hot laminated sheet steel comprising the following elements expressed in weight per cent: 0.04%:9 carbon<=0.5%; 0.05%<=manganese<=3%, being able to contain hardening elements: 0.01%<=niobium<=0.1 0.01%<=titanium<=0.2% 0.01<=vanadium<=0.2%, either individually or combined, and/or elements acting on the transformation temperatures, 0.0005%<=boron<=0.005%; 0.05%<=nickel<=2%; 0.05%<=chrome<=2%; 0.05%<=molybdenum<=2%, either individually or combined, the remainder being iron and elements which are inherent to production, characterized in that it comprises: 2%<=silicon<=10%; 1%<=aluminium<=10%. The invention also relates to the production thereof.

IPC 1-7

C21D 8/04

IPC 8 full level

C21D 9/46 (2006.01); C21D 8/04 (2006.01); C22C 38/00 (2006.01); C22C 38/02 (2006.01); C22C 38/04 (2006.01); C22C 38/06 (2006.01); C22C 38/58 (2006.01)

CPC (source: EP KR US)

C21D 8/04 (2013.01 - KR); C22C 38/02 (2013.01 - EP KR US); C22C 38/04 (2013.01 - EP KR US); C22C 38/06 (2013.01 - EP KR US)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR

DOCDB simple family (publication)

WO 03076673 A2 20030918; WO 03076673 A3 20040422; WO 03076673 A8 20040930; AT E312206 T1 20051215; AU 2003227824 A1 20030922; AU 2003227824 A8 20030922; BR 0308328 A 20041228; BR 0308328 B1 20111101; CA 2478123 A1 20030918; CA 2478123 C 20110125; CN 1306046 C 20070321; CN 1688725 A 20051026; DE 60302659 D1 20060112; DE 60302659 T2 20060720; EP 1485511 A2 20041215; EP 1485511 B1 20051207; ES 2252671 T3 20060516; FR 2836930 A1 20030912; FR 2836930 B1 20050225; JP 2005527701 A 20050915; JP 4638152 B2 20110223; KR 100986697 B1 20101008; KR 20040088583 A 20041016; MX PA04008717 A 20041206; RU 2004129774 A 20050820; RU 2323983 C2 20080510; US 2006231177 A1 20061019; US 7416615 B2 20080826

DOCDB simple family (application)

FR 0300765 W 20030310; AT 03725278 T 20030310; AU 2003227824 A 20030310; BR 0308328 A 20030310; CA 2478123 A 20030310; CN 03805625 A 20030310; DE 60302659 T 20030310; EP 03725278 A 20030310; ES 03725278 T 20030310; FR 0202998 A 20020311; JP 2003574870 A 20030310; KR 20047014303 A 20030310; MX PA04008717 A 20030310; RU 2004129774 A 20030310; US 50764105 A 20050830