Invention Grant
- Patent Title: Method for producing a flat steel product made of a manganese-containing steel, and such a flat steel product
-
Application No.: US16333947Application Date: 2017-09-13
-
Publication No.: US11261503B2Publication Date: 2022-03-01
- Inventor: Peter Palzer , Thomas Evertz , Manuel Otto , Kai Köhler
- Applicant: Salzgitter Flachstahl GmbH
- Applicant Address: DE Salzgitter
- Assignee: Salzgitter Flachstahl GmbH
- Current Assignee: Salzgitter Flachstahl GmbH
- Current Assignee Address: DE Salzgitter
- Agency: Henry M. Feiereisen LLC
- Priority: DE102016117508.0 20160916
- International Application: PCT/EP2017/072994 WO 20170913
- International Announcement: WO2018/050683 WO 20180322
- Main IPC: C21D8/02
- IPC: C21D8/02 ; C21D9/46 ; C22C38/02 ; C22C38/06 ; C22C38/60 ; C21D6/00 ; C22C38/04 ; C22C38/16 ; C22C38/12 ; C22C38/18 ; C22C38/14 ; C22C38/10 ; C22C38/00 ; C22C38/20 ; C22C38/22 ; C22C38/24 ; C22C38/26 ; C22C38/28 ; C22C38/30 ; C22C38/32 ; C22C38/38
Abstract:
The invention relates to a method for producing a flat steel product made of a medium manganese steel having a TRIP/TWIP effect. The aim of the invention is to achieve an improvement in the yield strength when a sufficient residual deformability of the produced flat steel product is obtained. This aim is achieved by the following steps: cold rolling a hot or cold strip, annealing the cold-rolled hot or cold strip at 500 to 840° C. for 1 minute to 24 hours, temper rolling or finishing the annealed hot or cold strip to form a flat steel product having a degree of deformability between 0.3% and 60%. The invention further relates to a flat steel product produced according to said method and to a use thereof.
Public/Granted literature
Information query
