ES2045652T3 - USE OF FERRITIC-PERLITICAL STEELS, HARDENABLE BY PRECIPITATION KNOWN AS AFP STEELS, AS MATERIAL FOR COMBUSTION ENGINE EXCHANGE GAS VALVES. - Google Patents

USE OF FERRITIC-PERLITICAL STEELS, HARDENABLE BY PRECIPITATION KNOWN AS AFP STEELS, AS MATERIAL FOR COMBUSTION ENGINE EXCHANGE GAS VALVES.

Info

Publication number
ES2045652T3
ES2045652T3 ES90110888T ES90110888T ES2045652T3 ES 2045652 T3 ES2045652 T3 ES 2045652T3 ES 90110888 T ES90110888 T ES 90110888T ES 90110888 T ES90110888 T ES 90110888T ES 2045652 T3 ES2045652 T3 ES 2045652T3
Authority
ES
Spain
Prior art keywords
steels
ferritic
perlitical
hardenable
combustion engine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
ES90110888T
Other languages
Spanish (es)
Inventor
Volker Dipl-Ing Schuler
Klaus E Dipl-Ing Richter
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thyssen Stahl AG
Original Assignee
Thyssen Edelstahlwerke AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Thyssen Edelstahlwerke AG filed Critical Thyssen Edelstahlwerke AG
Application granted granted Critical
Publication of ES2045652T3 publication Critical patent/ES2045652T3/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
    • F01L3/02—Selecting particular materials for valve-members or valve-seats; Valve-members or valve-seats composed of two or more materials
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Articles (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Catalysts (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)

Abstract

EL INVENTO SE REFIERE A UN ACERO FERRITICO/PERLITICO QUE SE ENDURECE POR PRECIPITACION QUE CONSTA DE: UN 0,20 A 0,60% EN CARBONO; UN 0,20 A 0,95% DE SILICIO; UN 0,50 A 1,80% EN MANGANESO; UN 0,004 A 0,04% EN NITROGENO; UN 0,5 A 0,20% DE VANADIO Y/O NIOBIO; IMPUREZAS DE LA FUSION Y EL RESTO HIERRO Y QUE SE UTILIZA COMO MATERIA PRIMA PARA VALVULAS DE INTERCAMBIO DE GASES EN MOTORES DE COMBUSTION.THE INVENTION IS REFERRED TO A FERRITIC / PERLITIC STEEL THAT HARDENS BY PRECIPITATION THAT CONSISTS OF: A 0.20 TO 0.60% IN CARBON; 0.20 TO 0.95% SILICON; A 0.50 TO 1.80% IN MANGANESE; A 0.004 TO 0.04% IN NITROGEN; 0.5 TO 0.20% VANADIUM AND / OR NIOBIO; IMPURITIES OF THE FUSION AND THE REST IRON AND THAT IS USED AS A RAW MATERIAL FOR GAS EXCHANGE VALVES IN COMBUSTION ENGINES.

ES90110888T 1989-06-09 1990-06-08 USE OF FERRITIC-PERLITICAL STEELS, HARDENABLE BY PRECIPITATION KNOWN AS AFP STEELS, AS MATERIAL FOR COMBUSTION ENGINE EXCHANGE GAS VALVES. Expired - Lifetime ES2045652T3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3918869 1989-06-09
DE4014072A DE4014072A1 (en) 1989-06-09 1990-05-02 USE OF ELIGIBLE FERRITIC-PERLITIC (AFP) STEELS AS A MATERIAL FOR GAS EXCHANGE VALVES OF COMBUSTION ENGINES

Publications (1)

Publication Number Publication Date
ES2045652T3 true ES2045652T3 (en) 1994-01-16

Family

ID=25881758

Family Applications (1)

Application Number Title Priority Date Filing Date
ES90110888T Expired - Lifetime ES2045652T3 (en) 1989-06-09 1990-06-08 USE OF FERRITIC-PERLITICAL STEELS, HARDENABLE BY PRECIPITATION KNOWN AS AFP STEELS, AS MATERIAL FOR COMBUSTION ENGINE EXCHANGE GAS VALVES.

Country Status (7)

Country Link
EP (1) EP0411282B1 (en)
JP (1) JP2820776B2 (en)
KR (1) KR0151154B1 (en)
CA (1) CA2018636C (en)
DE (2) DE4014072A1 (en)
ES (1) ES2045652T3 (en)
FI (1) FI96327C (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4109628C2 (en) * 1990-07-12 1997-04-17 Mahle Gmbh Use of a precipitation hardening ferritic pearlitic steel
DE4137240A1 (en) * 1991-11-13 1993-05-19 Thyssen Edelstahlwerke Ag AFP steel used for prodn. of large forged tools - has low sulphur content and uniformly high tensile strength through tempering
DE4341811A1 (en) * 1993-12-08 1995-06-14 Man B & W Diesel Ag Gas exchange valve for an internal combustion engine
DE4343565C1 (en) * 1993-12-21 1995-06-08 Ver Schmiedewerke Gmbh Method for producing rail wheels and rail wheel parts
DE4406896C1 (en) * 1994-03-03 1995-06-29 Daimler Benz Ag Martensitic age-hardening process for esp. alloyed steel inlet valves
DE19618477C2 (en) * 1996-05-08 2000-08-03 Trw Deutschland Gmbh Manufacturing process for a nitrided bimetal valve
DE10029299C2 (en) * 2000-06-14 2003-03-27 Daimler Chrysler Ag Multi-part assembled valve for reciprocating engines
DE10031927A1 (en) * 2000-06-30 2002-01-24 Daimler Chrysler Ag Multi-part valve, for an IC motor, has a lightweight valve head bonded to a lightweight valve shaft by friction welding using low-cost components giving high thermal and mechanical resistance
DE10037132A1 (en) * 2000-07-31 2002-02-14 Volkswagen Ag Production of a plate valve used as an inlet and outlet valve of an I.C. engine comprises connecting a sintered valve head of a plate valve with the valve shaft using a welding process
DE102007021101A1 (en) * 2007-05-03 2008-11-06 Mahle International Gmbh Alloy steel and its use
DE102007026018B4 (en) 2007-06-04 2023-01-19 Scania Cv Ab Bimetallic valve with a truncated cone-shaped area of the valve stem
DE102008061237A1 (en) * 2008-12-09 2010-06-10 Man Diesel Se Gas exchange valve and method for its production
DE102013210897A1 (en) * 2013-06-11 2014-12-11 Mahle International Gmbh Method for producing a built-up hollow valve of an internal combustion engine
CN107514316A (en) * 2015-05-18 2017-12-26 夏志清 A kind of diesel engine cylinder head

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE619810A (en) * 1961-07-05 1962-11-05 Trafikaktiebolaget Graengesber Improvements to a process for alloying steel, steel produced by the process and arrangement for carrying out the process
GB1101193A (en) * 1966-01-21 1968-01-31 United Steel Companies Ltd Steel
US3846184A (en) * 1968-08-06 1974-11-05 Bethlehem Steel Corp Wear resistant steel
US3562028A (en) * 1968-08-28 1971-02-09 Inland Steel Co Tough,high strength steel article
JPS5845354A (en) * 1981-09-10 1983-03-16 Daido Steel Co Ltd Case hardening steel
JPS62274051A (en) * 1986-05-21 1987-11-28 Kobe Steel Ltd Steel excellent in fatigue resistance and sag resistance and steel wire for valve spring using same
DE3719569C2 (en) * 1986-07-05 1988-06-23 Thyssen Edelstahlwerke Ag Microalloyed steels.
JPS6468424A (en) * 1987-09-07 1989-03-14 Kobe Steel Ltd Production of high-toughness non-tempered hot forging having excellent fatigue resistance and machinability

Also Published As

Publication number Publication date
KR0151154B1 (en) 1998-11-16
JP2820776B2 (en) 1998-11-05
DE4014072A1 (en) 1990-12-20
FI96327C (en) 1996-06-10
EP0411282A3 (en) 1991-07-31
CA2018636C (en) 2000-10-24
CA2018636A1 (en) 1990-12-09
DE59002456D1 (en) 1993-09-30
FI96327B (en) 1996-02-29
FI902899A0 (en) 1990-06-11
KR910001081A (en) 1991-01-30
JPH03219045A (en) 1991-09-26
DE4014072C2 (en) 1991-12-05
EP0411282A2 (en) 1991-02-06
EP0411282B1 (en) 1993-08-25

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