EP 0413163 B2 19971126 - Process and installation for producing thermomecanically treated rolled steel pieces
Title (en)
Process and installation for producing thermomecanically treated rolled steel pieces
Title (de)
Verfahren und Anlage zur Herstellung von thermomechanisch behandeltem Walzgut aus Stahl
Title (fr)
Procédé et installation pour la fabrication de produits laminés en acier traités thermomécaniquement
Publication
Application
Priority
DE 3926459 A 19890810
Abstract (en)
[origin: EP0413163A1] In the manufacture of thermomechanically treated rolled steel material, a fine-grained formation of the microstructure is of great importance to the strength and toughness properties of the rolled product. According to the invention, a considerable improvement in the strength and toughness properties, and an associated substantial increase in the yield point values and notched impact strength of a rolled steel product, are achieved if the deformation of the rolled material starts in a temperature range which is below that of stable austenite, and is continued up to just above the Ac3 temperature.
IPC 1-7
IPC 8 full level
CPC (source: EP)
C21D 8/00 (2013.01)
Designated contracting state (EPC)
AT BE DE IT SE
DOCDB simple family (publication)
EP 0413163 A1 19910220; EP 0413163 B1 19950215; EP 0413163 B2 19971126; AT E118555 T1 19950315; DE 3926459 A1 19910214; DE 59008465 D1 19950323; JP H0372023 A 19910327
DOCDB simple family (application)
EP 90113828 A 19900719; AT 90113828 T 19900719; DE 3926459 A 19890810; DE 59008465 T 19900719; JP 20832190 A 19900808