EP 4247992 A1 20230927 - STEEL MATERIAL AND METHOD FOR PRODUCTION THEREOF
Title (en)
STEEL MATERIAL AND METHOD FOR PRODUCTION THEREOF
Title (de)
STAHLMATERIAL UND VERFAHREN ZU SEINER HERSTELLUNG
Title (fr)
MATÉRIAU D'ACIER ET SON PROCÉDÉ DE PRODUCTION
Publication
Application
Priority
- DE 102020130543 A 20201119
- EP 2021082190 W 20211118
Abstract (en)
[origin: WO2022106561A1] The invention relates to a steel material for the production of high- or super-high-strength components with a tensile strength Rm > 1600 MPa, more particularly > 1800 MPa and more particularly > 2000 MPa, the steel material being a boron-manganese steel which has a carbon content of > 0.30 mass %, the steel material being hot rolled, or hot rolled and cold rolled, to a strip having a thickness of 0.5 to 3 mm, the strip having a thin coating of zinc or an alloy on the basis of zinc with a weight of the coating mass of < 50 g/m2 for each strip side of the steel strip.
IPC 8 full level
C22C 38/00 (2006.01); C21D 1/18 (2006.01); C21D 8/02 (2006.01); C21D 9/46 (2006.01); C22C 38/02 (2006.01); C22C 38/04 (2006.01); C22C 38/06 (2006.01); C22C 38/22 (2006.01); C22C 38/26 (2006.01); C22C 38/28 (2006.01); C22C 38/32 (2006.01); C22C 38/38 (2006.01)
CPC (source: EP US)
C21D 1/18 (2013.01 - EP US); C21D 8/0226 (2013.01 - EP US); C21D 8/0236 (2013.01 - EP US); C21D 9/46 (2013.01 - EP); C22C 38/001 (2013.01 - EP US); C22C 38/002 (2013.01 - US); C22C 38/02 (2013.01 - EP US); C22C 38/04 (2013.01 - EP US); C22C 38/06 (2013.01 - EP US); C22C 38/22 (2013.01 - EP US); C22C 38/26 (2013.01 - EP US); C22C 38/28 (2013.01 - EP US); C22C 38/32 (2013.01 - EP US); C22C 38/38 (2013.01 - EP); C23C 2/06 (2013.01 - US); C23C 2/40 (2013.01 - US); C25D 3/22 (2013.01 - US)
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
Designated extension state (EPC)
BA ME
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
WO 2022106561 A1 20220527; CN 116507752 A 20230728; DE 102020130543 A1 20220519; EP 4247992 A1 20230927; US 2024002965 A1 20240104
DOCDB simple family (application)
EP 2021082190 W 20211118; CN 202180081467 A 20211118; DE 102020130543 A 20201119; EP 21816016 A 20211118; US 202118037150 A 20211118