EP 3658692 B1 20211110 - STEEL STRIP, SHEET OR BLANK FOR PRODUCING A HOT FORMED PART, PART, AND METHOD FOR HOT FORMING A BLANK INTO A PART
Title (en)
STEEL STRIP, SHEET OR BLANK FOR PRODUCING A HOT FORMED PART, PART, AND METHOD FOR HOT FORMING A BLANK INTO A PART
Title (de)
STAHLBAND, FOLIE ODER ROHLING ZUR HERSTELLUNG EINES WARMGESCHMIEDETEN TEILS, TEIL UND VERFAHREN ZUM WARMUMFORMEN EINES ROHLINGS IN EIN TEIL
Title (fr)
BANDE, FEUILLE OU ÉBAUCHE D'ACIER POUR PRODUIRE UNE PIÈCE FORMÉE À CHAUD, PIÈCE ET PROCÉDÉ DE FORMAGE À CHAUD D'UNE ÉBAUCHE EN UNE PIÈCE
Publication
Application
Priority
- EP 17183092 A 20170725
- EP 17186911 A 20170818
- EP 2018069939 W 20180723
Abstract (en)
[origin: WO2019020575A1] The invention relates to a steel strip, sheet or blank for producing hot formed parts containing at least the following composition in weight %: C: 0.03 - 0.17, Mn: 0.65 - 2.50, Cr: 0.2 -2.0, Ti: 0.01 – 0.10, Nb : 0.01-0.10, B : 0.0005-0.005, N: ≤ 0.01, wherein Ti/N ≥ 3.42. The invention also relates to a hot formed part produced from such a steel strip, sheet or blank, to the use of such a hot formed part, and to a method for forming such a steel blank or a preformed part made from such a blank, into a part.
IPC 8 full level
C21D 1/673 (2006.01); B21D 22/02 (2006.01); C21D 8/00 (2006.01); C21D 8/02 (2006.01); C21D 9/00 (2006.01); C21D 9/46 (2006.01); C22C 38/02 (2006.01); C22C 38/04 (2006.01); C22C 38/06 (2006.01); C22C 38/12 (2006.01); C22C 38/14 (2006.01); C22C 38/20 (2006.01); C22C 38/22 (2006.01); C22C 38/24 (2006.01); C22C 38/26 (2006.01); C22C 38/28 (2006.01); C22C 38/42 (2006.01); C22C 38/48 (2006.01); C22C 38/50 (2006.01); C22C 38/54 (2006.01)
CPC (source: EP KR US)
B21D 22/022 (2013.01 - US); C21D 8/005 (2013.01 - EP KR); C21D 9/0068 (2013.01 - EP KR); C22C 38/001 (2013.01 - EP KR); C22C 38/02 (2013.01 - EP KR); C22C 38/04 (2013.01 - EP KR); C22C 38/12 (2013.01 - EP KR); C22C 38/14 (2013.01 - EP KR); C22C 38/20 (2013.01 - EP KR); C22C 38/22 (2013.01 - EP KR); C22C 38/26 (2013.01 - EP KR US); C22C 38/28 (2013.01 - EP KR US); C22C 38/32 (2013.01 - EP KR US); C22C 38/38 (2013.01 - KR US); C22C 38/58 (2013.01 - KR); C23C 2/06 (2013.01 - US); C23C 2/40 (2013.01 - US); B21D 22/022 (2013.01 - EP); C21D 1/673 (2013.01 - EP); C21D 8/02 (2013.01 - EP); C21D 9/00 (2013.01 - EP); C21D 9/46 (2013.01 - EP); C21D 2211/002 (2013.01 - EP US); C21D 2211/008 (2013.01 - EP US); C22C 38/00 (2013.01 - EP)
Citation (opposition)
Opponent : ArcelorMittal
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- EP 0747495 A1 19961211 - LORRAINE LAMINAGE [FR]
- IVANA PAREZANOVIC: "Selective Oxidation and Segregation in Commercial Steels and Model Alloys (Tools for improving the Surface Wettability by liquid Zn during Hot Dip Galvanizing) PhD thesis", PH.D. THESIS, 19 July 2005 (2005-07-19), DE , pages 1 - 225, XP055476709
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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)
WO 2019020575 A1 20190131; BR 112020000917 A2 20200721; EP 3658692 A1 20200603; EP 3658692 B1 20211110; ES 2899238 T3 20220310; JP 2020528963 A 20201001; JP 7326247 B2 20230815; KR 20200035259 A 20200402; MX 2020000928 A 20200722; US 2021156012 A1 20210527
DOCDB simple family (application)
EP 2018069939 W 20180723; BR 112020000917 A 20180723; EP 18740258 A 20180723; ES 18740258 T 20180723; JP 2020503872 A 20180723; KR 20207001858 A 20180723; MX 2020000928 A 20180723; US 201816633198 A 20180723