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1. WO2012146812 - 38MNV6 BAINITIC STEEL, METHOD FOR OBTAINING SAME AND USE THEREOF

Publication Number WO/2012/146812
Publication Date 01.11.2012
International Application No. PCT/ES2012/070236
International Filing Date 09.04.2012
IPC
C22C 38/04 2006.1
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
CALLOYS
38Ferrous alloys, e.g. steel alloys
04containing manganese
C22C 38/12 2006.1
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
CALLOYS
38Ferrous alloys, e.g. steel alloys
12containing tungsten, tantalum, molybdenum, vanadium or niobium
C21D 9/30 2006.1
CCHEMISTRY; METALLURGY
21METALLURGY OF IRON
DMODIFYING 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
9Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
30for crankshafts; for camshafts
CPC
C21D 1/20
CCHEMISTRY; METALLURGY
21METALLURGY OF IRON
DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
1General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
18Hardening
19by interrupted quenching
20Isothermal quenching, e.g. bainitic hardening
C21D 2211/002
CCHEMISTRY; METALLURGY
21METALLURGY OF IRON
DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
2211Microstructure comprising significant phases
002Bainite
C21D 7/13
CCHEMISTRY; METALLURGY
21METALLURGY OF IRON
DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
7Modifying the physical properties of iron or steel by deformation
13by hot working
C21D 9/30
CCHEMISTRY; METALLURGY
21METALLURGY OF IRON
DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
9Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
30for crankshafts; for camshafts
C22C 38/001
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
CALLOYS
38Ferrous alloys, e.g. steel alloys
001containing N
C22C 38/02
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
CALLOYS
38Ferrous alloys, e.g. steel alloys
02containing silicon
Applicants
  • CONSEJO SUPERIOR DE INVESTIGACIONES CIENTÍFICAS (CSIC) [ES]/[ES] (AllExceptUS)
  • MEDINA MARTÍN, Sebastián Florencio [ES]/[ES] (UsOnly)
  • RANCEL GIL, Lucía [ES]/[ES] (UsOnly)
  • GÓMEZ HERRERO, Manuel [ES]/[ES] (UsOnly)
  • RUIZ BUSTINZA, Íñigo [ES]/[ES] (UsOnly)
Inventors
  • MEDINA MARTÍN, Sebastián Florencio
  • RANCEL GIL, Lucía
  • GÓMEZ HERRERO, Manuel
  • RUIZ BUSTINZA, Íñigo
Agents
  • UNGRIA LÓPEZ, Javier
Priority Data
P20113068029.04.2011ES
Publication Language Spanish (es)
Filing Language Spanish (ES)
Designated States
Title
(EN) 38MNV6 BAINITIC STEEL, METHOD FOR OBTAINING SAME AND USE THEREOF
(ES) ACERO BAINÍTICO 38MnV6, PROCEDIMIENTO DE OBTENCIÓN Y USO
(FR) ACIER BAINITIQUE 38MnV6, PROCÉDÉ D'OBTENTION ET D'UTILISATION
Abstract
(EN) The present invention relates to a bainitic steel characterised in that it includes: carbon: 0.38 ± 0.03, manganese: 1.50 ± 0.05 and vanadium: 0.11 ± 0.02, the amounts being given as a weight percentage relative to the total weight, as well as to the method for obtaining parts using said steel and to the use thereof for the production of components, especially for the automotive industry.
(ES) La presente invención se refiere a un acero bainitico caracterizado porque comprende: carbono: 0,38 ± 0,03 - manganeso: 1,50+ 0,05 - vanadio: 0, 11 ±0, 02 siendo las cantidades expresadas como % en peso respecto alpeso total, al procedimiento de obtención de piezas con dicho acero y al uso del mismo en la fabricación de componentes, especialmente para la industria de la automoción.
(FR) La présente invention concerne un acier bainitique caractérisé en ce qu'il comprend du carbone: 0,38 ± 0,03; du manganèse: 1,50+ 0,05; du vanadium: 0,11 ±0, 02; les quantités étant exprimées en pourcentage en poids en fonction du poids total. L'invention a aussi trait à un procédé d'obtention des pièces au moyen dudit acier et l'utilisation de celui-ci dans la fabrication d'éléments destinés notamment à l'industrie de l'automobile.
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