CZ9574U1 - Steel for railway crossing points - Google Patents

Steel for railway crossing points Download PDF

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Publication number
CZ9574U1
CZ9574U1 CZ1009199U CZ1009199U CZ9574U1 CZ 9574 U1 CZ9574 U1 CZ 9574U1 CZ 1009199 U CZ1009199 U CZ 1009199U CZ 1009199 U CZ1009199 U CZ 1009199U CZ 9574 U1 CZ9574 U1 CZ 9574U1
Authority
CZ
Czechia
Prior art keywords
steel
maximum
maximally
silicon
carbon
Prior art date
Application number
CZ1009199U
Other languages
Czech (cs)
Inventor
Josef Ing Zboril
Eduard Ing Heczko
Original Assignee
Dt Vyhybkarna A Mostarna
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 Dt Vyhybkarna A Mostarna filed Critical Dt Vyhybkarna A Mostarna
Priority to CZ1009199U priority Critical patent/CZ9574U1/en
Publication of CZ9574U1 publication Critical patent/CZ9574U1/en
Priority to RU2001119592/02A priority patent/RU2248408C2/en
Priority to DE20080276U priority patent/DE20080276U1/en
Priority to PL349011A priority patent/PL193180B1/en
Priority to PCT/CZ2000/000085 priority patent/WO2001036698A1/en
Priority to AU11281/01A priority patent/AU1128101A/en
Priority to CA002355868A priority patent/CA2355868A1/en
Priority to CH01302/01A priority patent/CH694464A5/en
Priority to YU50601A priority patent/YU50601A/en
Priority to UA2001064074A priority patent/UA70342C2/en
Priority to HR20000679A priority patent/HRPK20010494B1/en

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Classifications

    • 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
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
    • 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

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Architecture (AREA)
  • Heat Treatment Of Steel (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Catalysts (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Heat Treatment Of Articles (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Current-Collector Devices For Electrically Propelled Vehicles (AREA)

Abstract

Steel especially for production of railway and tram point crossing frogs, including iron with weight % of 0,07 up to 0,15 % of carbon, 0,50 up to 1,20 % of manganese, maximally 0,50 % of silicon, 1,20 up to 2,00 % of chrome, 0,40 up to 0,70 % of molybdenum, 2,50 up to 3,50 % of nickel, maximally 0,13 % of vanadium, maximally 0,05 % of titan, maximally 0,045 % of the total contents of aluminium in steel, maximally 0,015 % of phosphor, maximally 0,015 % of sulphur.

Description

Technické řešení se týká chemického složení oceli na bázi chrom-nikl-molybden používané zejména pro odlitky srdcovek železničních a tramvajových výhybek.The technical solution relates to the chemical composition of steel based on chromium-nickel-molybdenum used especially for castings of crossings of railway and tramway turnouts.

Dosavadní stav technikyBACKGROUND OF THE INVENTION

Doposud známé a používané materiály pro výrobu srdcovek železničních a tramvajových výhybek jsou například oceli používané pod obchodním názvem 13 Mn super speciál obsahující kromě železa v % hmotnosti 0,60 až 0,90 % uhlíku, 12,5 až 16,5 % manganu, maximálně 0,60 % křemíku, maximálně 0,05 % fosforu, maximálně 0,03 % síry, 1,8 až 2,2 % molybdenu, oceli srdcovkových kolejnic používané pod obchodním názvem UIC 900A obsahující kromě železa v % hmotnosti 0,60 až 0,80 % uhlíku, 0,1 až 0,5 % manganu, 0,80 až 1,3 % křemíku, maximálně 0,04 % fosforu, maximálně 0,04 % síry, oceli používané pod obchodním názvem 75 ČSD VK obsahující kromě železa v % hmotnosti 0,45 až 0,65 % uhlíku, 0,75 až 1,45 % manganu, 0,10 až 0,50 % křemíku, maximálně 0,050 % fosforu, maximálně 0,050 % síry, oceli používané pod obchodním názvem 85 a 95 ČSD VK obsahující kromě železa v % hmotnosti 0,60 až 0,80 % uhlíku, 0,75 až 1,40 % manganu, 0,10 až 0,50 % křemíku, maximálně 0,040 % fosforu, maximálně 0,040 % siry, přičemž údaje v % představují maximálně povolené rozpětí koncentrace jednotlivých prvků nebo jejich maximální povolený obsah.The materials known to date for the production of rail and tramway crossings are, for example, steels used under the trade name 13 Mn super special containing, in addition to iron, 0,60 to 0,90% carbon, 12,5 to 16,5% manganese, maximum 0.60% silicon, maximum 0.05% phosphorus, maximum 0.03% sulfur, 1.8 to 2.2% molybdenum, frog steel used under the trade name UIC 900A containing, in addition to iron, 0,60 to 0% by weight , 80% carbon, 0.1 to 0.5% manganese, 0.80 to 1.3% silicon, maximum 0.04% phosphorus, maximum 0.04% sulfur, steel used under the trade name 75 ČSD VK containing, in addition to iron % by weight 0,45 to 0,65% carbon, 0,75 to 1,45% manganese, 0,10 to 0,50% silicon, 0,050% phosphorus maximum, 0,050% sulfur maximum, steels used under the trade name 85 and 95 ČSD VK containing, in addition to iron, 0,60 to 0,80% carbon, 0,75 to 1,40% ma ngan, 0.10 to 0.50% silicon, maximum 0.040% phosphorus, maximum 0.040% sulfur, the% being the maximum allowable concentration range for each element or its maximum allowable content.

Nevýhodou oceli o jakosti 13 Mn super speciál o vysoké tvrdosti je velmi obtížné obrábění, svařování a navařování opotřebených částí, nemožnost kontroly vad ultrazvukem. Nevýhodou ocelí srdcovkových kolejnic o jakosti UIC 900A, 75 ČSD VK, 85 a 95 ČSD VK je nízká mez kluzu, rychlé ojíždění a tvorba převalků, nízká vrubová houževnatost, náchylnost k lomům, nízká tvrdost a provozní životnost.The disadvantage of steel grade 13 Mn super special with high hardness is very difficult machining, welding and surfacing of worn parts, impossibility to control defects by ultrasound. The disadvantages of UIC 900A, 75 CSD VK, 85 and 95 CSD VK frog steel grades are low yield strength, rapid roll-over and roll-over, low notch toughness, susceptibility to fracture, low hardness and service life.

Podstata technického řešeníThe essence of the technical solution

Uvedené nedostatky materiálů pro výrobu srdcovek železničních a tramvajových výhybek do značné míry odstraňuje ocel, jejíž podstata spočívá vtom, že obsahuje kromě železa v % hmotnosti 0,07 až 0,15 % uhlíku, 0,50 až 1,20 % manganu, maximálně 0,50 % křemíku, 1,20 až 2,00 % chrómu, 0,40 až 0,70 % molybdenu, 2,50 až 3,50 % niklu, maximálně 0,13 % vanadu, maximálně 0,05 % titanu, maximálně 0,045 % celkového obsahu hliníku v oceli, maximálně 0,015 % fosforu, maximálně 0,015 % síry.These drawbacks of materials for the production of crossings for railway and tramway turnouts are largely eliminated by steel, which comprises, in addition to iron, 0.07 to 0.15% by weight of carbon, 0.50 to 1.20% of manganese, maximum 0 , 50% silicon, 1.20 to 2.00% chromium, 0.40 to 0.70% molybdenum, 2.50 to 3.50% nickel, maximum 0.13% vanadium, maximum 0.05% titanium, maximum 0.045% of the total aluminum content in the steel, maximum 0.015% phosphorus, maximum 0.015% sulfur.

Výhody této oceli proti stávajícímu stavu techniky spočívají v dosažení zlepšených mechanických vlastností, kde mez pevnosti Rm činí 950 MPa až 1300 MPa, mez kluzu Rp0,2 činí minimálně 750 MPa až 915 MPa, vrubová houževnatost KCV minimálně 20J/cm2, tvrdost 290 HB až 420 HB a tažnost minimálně 10 %.The advantages of this steel over the prior art are to achieve improved mechanical properties where the breaking strength Rm is 950 MPa to 1300 MPa, the yield strength Rp0.2 is at least 750 MPa to 915 MPa, the notch toughness KCV is at least 20J / cm 2 , hardness 290 HB up to 420 HB and elongation at least 10%.

Příklady provedení technického řešeníExamples of technical solution

Příkladem provedení technického řešení podle užitného vzoru je ocel, která obsahuje kromě železa v % hmotnosti 0,140% uhlíku, 0,80% manganu, 0,34% křemíku, 1,76% chrómu, 0,471 % molybdenu, 2,63 % niklu, 0,087 % vanadu, 0,045 % titanu, 0,042 % celkového obsahu hliníku v oceli, 0,014 % fosforu, 0,009 % síry.An exemplary embodiment of the utility model is a steel that contains 0.140% carbon, 0.80% manganese, 0.34% silicon, 1.76% chromium, 0.471% molybdenum, 2.63% nickel, 0.087%, in addition to iron % vanadium, 0.045% titanium, 0.042% total aluminum content in steel, 0.014% phosphorus, 0.009% sulfur.

Tato ocel má výslednou mez pevnosti (Rm) 1147 MPa, mez kluzu (Rp0,2) 915 MPa, vrubovou houževnatost (KCV+20 °C) 26 J/cm2, tvrdost 338 HB, tažnost (A5) 14,8 %.This steel has a yield strength (Rm) of 1147 MPa, a yield strength (Rp0.2) of 915 MPa, a notched toughness (KCV + 20 ° C) of 26 J / cm 2 , a hardness of 338 HB, an elongation (A5) of 14.8%.

-1 CZ 9574 U1-1 CZ 9574 U1

Technické řešení lze s výhodou využít pro odlitky srdcovek železničních a tramvajových výhybek s vysokými nároky na odolnost proti opotřebení. Ocel je vysoce houževnatá, umožňuje dobrou svařitelnost a obrobitelnost srdcovek.The technical solution can be advantageously used for castings of crossings of railway and tramway turnouts with high demands on wear resistance. The steel is highly tough, allowing good weldability and machinability of frogs.

Claims (1)

5 1. Ocel pro odlitky srdcovek železničních a tramvajových výhybek vyznačující se tím, že-obsahuje kromě železa v % hmotnostních 0,07 až 0,15% uhlíku, 0,50 až 1,20 % manganu, maximálně 0,50 % křemíku, 1,20 až 2,00 % chrómu, 0,40 až 0,70 % molybdenu, 2,50 až 3,50% niklu, maximálně 0,13% vanadu, maximálně 0,05% titanu, maximálně 0,045% celkového obsahu hliníku v oceli, maximálně 0,015 % fosforu, maximálně 0,015 % síry.1. Steel for the crossings of rail and tramway turnouts, characterized in that it contains, in addition to iron, 0.07 to 0.15% by weight of carbon, 0.50 to 1.20% of manganese, maximum 0.50% of silicon, 1.20 to 2.00% chromium, 0.40 to 0.70% molybdenum, 2.50 to 3.50% nickel, maximum 0.13% vanadium, maximum 0.05% titanium, maximum 0.045% total aluminum content in steel, maximum 0.015% phosphorus, maximum 0.015% sulfur.
CZ1009199U 1999-11-17 1999-11-17 Steel for railway crossing points CZ9574U1 (en)

Priority Applications (11)

Application Number Priority Date Filing Date Title
CZ1009199U CZ9574U1 (en) 1999-11-17 1999-11-17 Steel for railway crossing points
UA2001064074A UA70342C2 (en) 1999-11-17 2000-11-14 Steel steel
PCT/CZ2000/000085 WO2001036698A1 (en) 1999-11-17 2000-11-14 Steel for railway crossing points
DE20080276U DE20080276U1 (en) 1999-11-17 2000-11-14 Steel for rail crossings
PL349011A PL193180B1 (en) 1999-11-17 2000-11-14 Steel for railway crossing points
RU2001119592/02A RU2248408C2 (en) 1999-11-17 2000-11-14 Steel
AU11281/01A AU1128101A (en) 1999-11-17 2000-11-14 Steel for railway crossing points
CA002355868A CA2355868A1 (en) 1999-11-17 2000-11-14 Steel for railway crossing points
CH01302/01A CH694464A5 (en) 1999-11-17 2000-11-14 Steel for railway crossing points including manganese, chromium, molybdenum and nickel
YU50601A YU50601A (en) 1999-11-17 2000-11-14 Steel for railway crossing points
HR20000679A HRPK20010494B1 (en) 1999-11-17 2001-07-02 Steel for railway crossing points

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CZ1009199U CZ9574U1 (en) 1999-11-17 1999-11-17 Steel for railway crossing points

Publications (1)

Publication Number Publication Date
CZ9574U1 true CZ9574U1 (en) 2000-01-31

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Application Number Title Priority Date Filing Date
CZ1009199U CZ9574U1 (en) 1999-11-17 1999-11-17 Steel for railway crossing points

Country Status (11)

Country Link
AU (1) AU1128101A (en)
CA (1) CA2355868A1 (en)
CH (1) CH694464A5 (en)
CZ (1) CZ9574U1 (en)
DE (1) DE20080276U1 (en)
HR (1) HRPK20010494B1 (en)
PL (1) PL193180B1 (en)
RU (1) RU2248408C2 (en)
UA (1) UA70342C2 (en)
WO (1) WO2001036698A1 (en)
YU (1) YU50601A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2840628B1 (en) * 2002-06-05 2004-08-13 Cogifer RAIL TRACK COMPRISING A TRACK APPARATUS ELEMENT AND A WELDED RAIL SECTION WITHOUT MATERIAL SUPPLY
US11116728B2 (en) 2006-11-30 2021-09-14 Bend Research, Inc. Multiparticulates of spray-coated drug and polymer on a meltable core
ES2759371T3 (en) * 2007-10-30 2020-05-08 Nippon Steel Corp Steel pile that has excellent enlargement properties and method for its production

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8320622D0 (en) * 1983-07-30 1983-09-01 British Steel Corp Alloy steels
FI84370C (en) * 1988-10-17 1991-11-25 Rauma Repola Oy Steel
GB2297094B (en) * 1995-01-20 1998-09-23 British Steel Plc Improvements in and relating to Carbide-Free Bainitic Steels
PL181562B1 (en) * 1995-11-23 2001-08-31 Jinpo Plus As Rail overlaying welding method

Also Published As

Publication number Publication date
UA70342C2 (en) 2004-10-15
DE20080276U1 (en) 2001-11-29
YU50601A (en) 2004-03-12
PL349011A1 (en) 2002-06-17
RU2248408C2 (en) 2005-03-20
HRP20010494A2 (en) 2002-06-30
WO2001036698A1 (en) 2001-05-25
CA2355868A1 (en) 2001-05-25
PL193180B1 (en) 2007-01-31
HRPK20010494B1 (en) 2003-06-30
AU1128101A (en) 2001-05-30
CH694464A5 (en) 2005-01-31

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Legal Events

Date Code Title Description
ND1K First or second extension of term of utility model

Effective date: 20031114

ND1K First or second extension of term of utility model

Effective date: 20061114

MK1K Utility model expired

Effective date: 20091117