Global Patent Index - EP 3686293 B1

EP 3686293 B1 20210623 - A HIGH STRENGTH HIGH DUCTILITY COMPLEX PHASE COLD ROLLED STEEL STRIP OR SHEET

Title (en)

A HIGH STRENGTH HIGH DUCTILITY COMPLEX PHASE COLD ROLLED STEEL STRIP OR SHEET

Title (de)

HOCHFESTES KALTGEWALZTES STAHLBAND ODER -BLECH MIT HOHER DUKTILITÄT UND KOMPLEXER PHASE

Title (fr)

BANDE OU FEUILLE D'ACIER LAMINÉE À FROID EN PHASE COMPLEXE HAUTE RÉSISTANCE ET PRÉSENTANT UNE DUCTILITÉ ÉLEVÉE

Publication

EP 3686293 B1 20210623 (EN)

Application

EP 19153131 A 20190122

Priority

EP 19153131 A 20190122

Abstract (en)

[origin: EP3686293A1] The invention relates to a cold rolled steel strip or sheet having a composition consisting of (in wt. %):balance Fe apart from impurities, the cold rolled steel has a multiphase microstructure comprising a matrix mainly composed of tempered martensite and has a tensile strength (R<sub>m</sub>) of at least 1380 MPa.

IPC 8 full level

C21D 8/02 (2006.01); C21D 1/18 (2006.01); C21D 1/25 (2006.01); C21D 8/04 (2006.01); C21D 9/46 (2006.01); C21D 9/48 (2006.01)

CPC (source: EP)

C21D 1/18 (2013.01); C21D 1/25 (2013.01); C21D 8/0247 (2013.01); C21D 8/0273 (2013.01); C21D 8/0447 (2013.01); C21D 8/0468 (2013.01); C21D 8/0473 (2013.01); C21D 9/46 (2013.01); C21D 9/48 (2013.01); C21D 2211/001 (2013.01); C21D 2211/002 (2013.01); C21D 2211/008 (2013.01)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DOCDB simple family (publication)

EP 3686293 A1 20200729; EP 3686293 B1 20210623; ES 2889200 T3 20220111

DOCDB simple family (application)

EP 19153131 A 20190122; ES 19153131 T 20190122