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1. (WO1979000100) A PROCESS FOR THE PRODUCTION OF SHEET AND STRIP FROM FERRITIC,STABILISED,STAINLESS CHROMIUM-MOLYBDENUM-NICKEL STEELS
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/1979/000100 International Application No.: PCT/EP1978/000011
Publication Date: 08.03.1979 International Filing Date: 16.08.1978
IPC:
C21D 6/00 (2006.01) ,C21D 8/02 (2006.01) ,C22C 38/44 (2006.01)
C CHEMISTRY; METALLURGY
21
METALLURGY OF IRON
D
MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING, OR OTHER TREATMENTS
6
Heat treatment of ferrous alloys
C CHEMISTRY; METALLURGY
21
METALLURGY OF IRON
D
MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING, OR OTHER TREATMENTS
8
Modifying the physical properties by deformation combined with, or followed by, heat treatment
02
during manufacturing of plates or strips
C CHEMISTRY; METALLURGY
22
METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
C
ALLOYS
38
Ferrous alloys, e.g. steel alloys
18
containing chromium
40
with nickel
44
with molybdenum or tungsten
Applicants:
Inventors:
Priority Data:
273711617.08.1977DE
Title (EN) A PROCESS FOR THE PRODUCTION OF SHEET AND STRIP FROM FERRITIC,STABILISED,STAINLESS CHROMIUM-MOLYBDENUM-NICKEL STEELS
(FR) METHODE DE FABRICATION DE FEUILLES ET FEUILLARDS AVEC DES ACIERS FERRITIQUES, STABILISES, INOXYDABLES AU CHROME-MOLYBDENE-NICKEL
Abstract:
(EN) A process for the production of sheet and strip from ferritic, stabilised, stainless chromium-molybdenum-nickel steels by hot-rolling of cast blocks to form heavy plate or crude strip and subsequent cold-rolling to the required thickness, wherein the blocks are hot-rolled at temperatures above about 850 C to form heavy plate or crude strip and, immediately afterwards, the heavy plate or crude strip thus formed is suddenly quenched with water to a temperature just below 450 C and subsequently annealed, the annealing step being followed by sudden cooling from temperatures above about 850 C to temperatures below 500 C.
(FR) Methode de fabrication de feuilles et de feuillards avec des aciers ferritiques, stabilises, inoxydables au chrome-molybdene-nickel, qui consiste a laminer a chaud des brames d"acier coule pour former une grosse plaque ou ebauche de feuillard, puis a laminer a froid jusqu"a obtenir l"epaisseur voulue, d"apres cette methode, les blocs sont lamines a chaud a des temperatures superieures a 850 C environ pour former une grosse plaque ou ebauche de feuillard et, tout de suite apres, la grosse plaque ou ebauche de feuillard ainsi formee est refroidie par trempe a l"eau jusqu"a ce que sa temperature descende juste en dessous de 450 C, apres quoi elle est recuite, le recuit etant suivi par un refroidissement soudain pour ramener les temperatures superieures a 850 C environ a des temperatures inferieures a 500 C.
Designated States:
Publication Language: German (DE)
Filing Language: German (DE)