DK0716185T3 - Process for producing a cardiac tip as well as a cardiac tip - Google Patents

Process for producing a cardiac tip as well as a cardiac tip

Info

Publication number
DK0716185T3
DK0716185T3 DK95118492T DK95118492T DK0716185T3 DK 0716185 T3 DK0716185 T3 DK 0716185T3 DK 95118492 T DK95118492 T DK 95118492T DK 95118492 T DK95118492 T DK 95118492T DK 0716185 T3 DK0716185 T3 DK 0716185T3
Authority
DK
Denmark
Prior art keywords
rail
sections
max
head section
welding
Prior art date
Application number
DK95118492T
Other languages
Danish (da)
Inventor
Gerhard Ratz
Stefan Dipl-Ing Schmedders
Original Assignee
Butzbacher Weichenbau Gmbh
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 Butzbacher Weichenbau Gmbh filed Critical Butzbacher Weichenbau Gmbh
Application granted granted Critical
Publication of DK0716185T3 publication Critical patent/DK0716185T3/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/04—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rails
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B7/00—Switches; Crossings
    • E01B7/10—Frogs
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING 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
    • C21D2251/00—Treating composite or clad material

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Structural Engineering (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
  • Heat Treatment Of Articles (AREA)
  • Arc Welding In General (AREA)
  • Stringed Musical Instruments (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Electroluminescent Light Sources (AREA)
  • Cold Cathode And The Manufacture (AREA)
  • Preparing Plates And Mask In Photomechanical Process (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Electrotherapy Devices (AREA)

Abstract

Points for a rail system are made by welding together a head section (12) and rail sections (14, 16) which are made from different types of steel. After welding, the welded unit is heat treated to produce the required crystal structures in the different sections. The shape of the different sections is such that they fit tightly into each other before welding. The rail sections are made of rail steel containing (in wt.%): 0.73-0.79 C, 0.86-0.99 Mn, 0.21-0.32 Si, 0.07-0.025 P, 0.008-0.022 S, 0.02-0.14 Cr and 0.000 Nb (sic) plus usual melting impurities. The head section is made of a special steel contg. 0.53-0.62 C, 0.15-0.25 Si, 0.65-1.1 Mn, 0.8-1.3 Cr, 0.05-0.11 Mo, 0.05-0.11 V, max. 0.02 P, max. 0.025 Al, 0.5 Nb, balance Fe and usual impurities. The ratio of Mn to Cr is min. 0.8 Mn:max. 0.85 Cr and that of Mo to V is approx. 1. After heat treating, the head section is martensitic and the rail sections pearlitic.
DK95118492T 1994-11-29 1995-11-24 Process for producing a cardiac tip as well as a cardiac tip DK0716185T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4442415A DE4442415A1 (en) 1994-11-29 1994-11-29 Process for producing a frog tip and frog tip

Publications (1)

Publication Number Publication Date
DK0716185T3 true DK0716185T3 (en) 2001-06-18

Family

ID=6534425

Family Applications (1)

Application Number Title Priority Date Filing Date
DK95118492T DK0716185T3 (en) 1994-11-29 1995-11-24 Process for producing a cardiac tip as well as a cardiac tip

Country Status (7)

Country Link
EP (1) EP0716185B1 (en)
AT (1) ATE199417T1 (en)
DE (2) DE4442415A1 (en)
DK (1) DK0716185T3 (en)
ES (1) ES2155867T3 (en)
GR (1) GR3035868T3 (en)
PT (1) PT716185E (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19621017C1 (en) * 1996-05-24 1998-01-08 Butzbacher Weichenbau Gmbh Process for the production of a track superstructure and track superstructure
EP0920554B1 (en) 1996-08-21 2000-12-13 Innovatiestichting High Rail Tech Frog for point switches und crossings
DE102008023038B3 (en) * 2008-05-09 2009-06-25 Db Netz Ag A method of manufacturing a centerpiece having a tip block and two terminal track sections adjoining the tip block and joined to a center block, and heart

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1889837U (en) * 1963-11-02 1964-03-26 Schreck Mieves K G SOFT HEART PIECE.
DE1284439B (en) 1966-01-07 1968-12-05 Kloeckner Werke Ag Heart piece with a block-like heart piece tip
DE1533309B1 (en) 1966-08-16 1969-09-18 Klöckner-Werke AG, 4100 Duisburg Manganese steel for switches
DE1534054B1 (en) * 1966-09-22 1969-09-18 Kloeckner Werke Ag Center piece made of manganese steel
DE2706697C2 (en) * 1977-02-17 1978-07-06 Kloeckner-Werke Ag, 4100 Duisburg Process for producing a welded joint between manganese steel and rail steels
AT350881B (en) * 1977-08-19 1979-06-25 Voest Ag METHOD OF CONNECTING CASTING AUSMANGAN CAST STEEL TO SPINS MADE OF CARBON STEEL

Also Published As

Publication number Publication date
ATE199417T1 (en) 2001-03-15
PT716185E (en) 2001-08-30
GR3035868T3 (en) 2001-08-31
DE59509058D1 (en) 2001-04-05
ES2155867T3 (en) 2001-06-01
EP0716185A1 (en) 1996-06-12
DE4442415A1 (en) 1996-05-30
EP0716185B1 (en) 2001-02-28

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