HRP20010494A2 - Steel for railway crossing points - Google Patents

Steel for railway crossing points Download PDF

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Publication number
HRP20010494A2
HRP20010494A2 HR20010494A HRP20010494A HRP20010494A2 HR P20010494 A2 HRP20010494 A2 HR P20010494A2 HR 20010494 A HR20010494 A HR 20010494A HR P20010494 A HRP20010494 A HR P20010494A HR P20010494 A2 HRP20010494 A2 HR P20010494A2
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HR
Croatia
Prior art keywords
steel
maximum
railway
crossing points
manganese
Prior art date
Application number
HR20010494A
Other languages
Croatian (hr)
Inventor
Jozef Zboril
Eduard 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
Publication of HRP20010494A2 publication Critical patent/HRP20010494A2/en
Publication of HRPK20010494B1 publication Critical patent/HRPK20010494B1/en

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Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/06Ferrous alloys, e.g. steel alloys containing aluminium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/46Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/50Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01BPERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B7/00Switches; Crossings
    • E01B7/10Frogs

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (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)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
  • Current-Collector Devices For Electrically Propelled Vehicles (AREA)

Description

Tehničko područje Technical area

Tehničko rješenje odnosi se na kemijski sastav čelika na bazi kroma-nikla-molibdena, koji se posebno koristi za odljevke pomičnih jezičaca za točke križanja željezničkih i tramvajskih pruga. The technical solution refers to the chemical composition of chrome-nickel-molybdenum-based steel, which is especially used for castings of movable tongues for crossing points of railway and tram lines.

Stanje tehnike State of the art

Materijali koji su bili poznati i koji se sada koriste za proizvodnju odljevaka pomičnih jezičaka za križanja željezničkih i tramvajskih pruga su na primjer materijali koji se koriste pod trgovačkim nazivom 13 Mn super special, uključivši željezo s težinskim postotkom od 0,60 do 0,90% ugljika, od 12,5 do 16,5% mangana, najviše 0,60% silicija, najviše 0,05% fosfora, najviše 0,03% sumpora, od 1,8 do 2,2% molibdena, željezo za pomične jezičce na križanjima koje se koristi pod trgovačkim nazivom UIC 900A, uključivši željezo s težinskim postotkom od 0,60 do 0,80% ugljika, 0,1 do 0,5% mangana, 0,80 do 1,3% silicija, najviše 0,04% fosfora, najviše 0,04% sumpora, čelik koji se koristi pod trgovačkim nazivom 75 ČSD VK, uključivši željezo s težinskim postotkom od 0,45 do 0,65% ugljika, od 0,75 do 1,45% mangana, od 0,10 do 0,50% silicija, najviše 0,050% fosfora, najviše 0,050% sumpora, čelik koji se koristi pod trgovačkim nazivom 85 i 95 ČSD VK, uključivši željezo s težinskim postotkom od 0,60 do 0,80% ugljika od 0,75 do 1,40% mangana, od 0,10 do 0,50% silicija, najviše 0,04% fosfora, najviše 0,04% sumpora, dok podaci u postocima predstavljaju najviši dozvoljeni raspon koncentracije pojedinačnih elemenata ili njihovih najvećih dopuštenih sadržaja. Materials that were known and are now used for the production of movable tongue castings for railway and tramway crossings are for example materials used under the trade name 13 Mn super special, including iron with a weight percentage of 0.60 to 0.90% carbon, from 12.5 to 16.5% manganese, maximum 0.60% silicon, maximum 0.05% phosphorus, maximum 0.03% sulfur, from 1.8 to 2.2% molybdenum, iron for movable tabs on crosses used under the trade name UIC 900A, including iron with a weight percentage of 0.60 to 0.80% carbon, 0.1 to 0.5% manganese, 0.80 to 1.3% silicon, not more than 0.04 % phosphorus, maximum 0.04% sulfur, steel used under the trade name 75 ČSD VK, including iron with a weight percentage of 0.45 to 0.65% carbon, from 0.75 to 1.45% manganese, from 0 .10 to 0.50% silicon, maximum 0.050% phosphorus, maximum 0.050% sulfur, steel used under the trade names 85 and 95 ČSD VK, including iron with a weight percentage of 0.60 to 0.80% carbon from 0.75 to 1.40% manganese, from 0.10 to 0.50% silicon, maximum 0.04% phosphorus, maximum 0.04% sulfur, while data in percentages represent the highest allowed concentration range individual elements or their maximum permitted contents.

Nedostaci željeza sa 13 Mn super special kvalitetom obuhvaćaju tešku strojnu obradu, zavarivanje i zamjenu istrošenih dijelova, nemogućnost ispitivanja greške ultrazvukom. Nedostaci pomičnih jezičaca za križanja željezničkih pruga u kvaliteti UIC 900A, 75 ČSD VK, 85 i 95 ČSD VK obuhvaćaju nisku točku popuštanja, brzo habanje i stvaranje prugica, nisku vrijednost udarnog opterećenja, osjetljivost na lom, nisku čvrstoću i kratak vijek trajanja. Disadvantages of iron with 13 Mn super special quality include difficult machining, welding and replacement of worn parts, impossibility of fault testing with ultrasound. Disadvantages of UIC 900A, 75 ČSD VK, 85 and 95 ČSD VK quality movable tongues for railway crossings include low yield point, rapid wear and rutting, low impact load value, fracture susceptibility, low strength and short service life.

Bit izuma The essence of invention

Gore navedeni nedostaci materijala, naročito za proizvodnju pomičnih jezičaka za križanja željeznički ili tramvajskih pruga znatno se otklanjaju čelikom, karakteriziranim time, što obuhvaća željezo s težinskim postotkom ugljika od 0,07 do 0,15%, mangana od 0,50 do 1,20%, silicija najviše 0,50%, kroma od 1,20 do 2,00%, molibdena od 0,40 do 0,70%, nikla od 2,50 do 3,50%, vanadija najviše 0,13%, titana najviše 0,05%, najviše 0,045% ukupnog sadržaja aluminija u čeliku, najviše 0,015% fosfora, najviše 0,015% sumpora. The above-mentioned shortcomings of the material, especially for the production of movable tongues for railway or tram crossings, are significantly eliminated by steel, characterized by the fact that it includes iron with a weight percentage of carbon from 0.07 to 0.15%, manganese from 0.50 to 1.20 %, silicon at most 0.50%, chromium from 1.20 to 2.00%, molybdenum from 0.40 to 0.70%, nickel from 2.50 to 3.50%, vanadium at most 0.13%, titanium maximum 0.05%, maximum 0.045% of the total aluminum content in the steel, maximum 0.015% phosphorus, maximum 0.015% sulfur.

Prednosti čelika u usporedbi sa sadašnjim tehničkim stanjem obuhvaćaju postizavanje poboljšanih mehaničkih karakteristika, gdje je granica prekidne čvrstoće Rm 950 MPa do 1300 MPa, granica popuštanja Rp0,2 je najmanje 750 MPa do 915 MPa, vrijednost udarnog opterećenja KCV je najmanje 20 J/cm2, tvrdoća 290 HB do 420 HB, a rastezljivost najmanje 10%. The advantages of steel compared to the current technical state include the achievement of improved mechanical characteristics, where the breaking strength limit Rm is 950 MPa to 1300 MPa, the yield limit Rp0.2 is at least 750 MPa to 915 MPa, the impact load value KCV is at least 20 J/cm2, hardness 290 HB to 420 HB, and elasticity at least 10%.

Opis izvedbe Performance description

Primjer tehničkog rješenja prema korisnom modelu obuhvaća čelik koji sadrži željezo s težinskim postotkom ugljika od 0,140%, mangana 0,80%, silicija 0,34%, kroma 1,76%, molibdena 0,471%, nikla 2,63%, vanadija 0,087%, titana 0,045%, najviše 0,042% ukupnog sadržaja aluminija u čeliku, najviše 0,014% fosfora, 0,009% sumpora. An example of a technical solution according to a useful model includes steel containing iron with a weight percentage of carbon of 0.140%, manganese 0.80%, silicon 0.34%, chromium 1.76%, molybdenum 0.471%, nickel 2.63%, vanadium 0.087%. , titanium 0.045%, maximum 0.042% of total aluminum content in steel, maximum 0.014% phosphorus, 0.009% sulfur.

Ovaj čelik karakteriziran je granicom prekidne čvrstoće (Rm) od 1147 MPa, granicom popuštanja (Rp0,2) od 915 Mpa, vrijednosti udarnog opterećenja (KCV + 20o) 26 J/cm2, tvrdoćom od 338 HB, rastezljivošću (A5) 14,8%. This steel is characterized by a breaking strength (Rm) of 1147 MPa, yield strength (Rp0.2) of 915 MPa, impact load values (KCV + 20o) 26 J/cm2, hardness of 338 HB, elongation (A5) 14.8 %.

Industrijska primjenjivost Industrial applicability

Tehničko rješenje može se koristiti za odljevke pomičnih jezičaca za križanja željezničkih ili tramvajskih pruga s velikim zahtjevima na otpornost na habanje. Čelik je otporan na habanje, a omogućava kvalitetno zavarivanje i strojnu obradu pomičnih jezičaca za križanja željezničkih ili tramvajskih pruga. The technical solution can be used for castings of movable tongues for railway or tram crossings with high demands on wear resistance. The steel is resistant to wear, and enables high-quality welding and machining of movable tongues for railway or tram crossings.

Claims (1)

1. Čelik, naročito za proizvodnju pomičnih jezičaca za križanja željezničkih ili tramvajskih pruga, naznačen time, što sadrži željezo s težinskim postotkom ugljika od 0,07 do 0,15%, mangana od 0,50 do 1,20%, silicija najviše 0,50%, kroma od 1,20 do 2,00%, molibdena od 0,40 do 0,70%, nikla od 2,50 do 3,50%, vanadija najviše 0,13%, titana najviše 0,05%, najviše 0,045% ukupnog sadržaja aluminija u čeliku, najviše 0,015% fosfora, najviše 0,015% sumpora.1. Steel, especially for the production of movable tongues for railway or tram crossings, indicated by the fact that it contains iron with a weight percentage of carbon from 0.07 to 0.15%, manganese from 0.50 to 1.20%, silicon at most 0 .50%, chromium from 1.20 to 2.00%, molybdenum from 0.40 to 0.70%, nickel from 2.50 to 3.50%, vanadium at most 0.13%, titanium at most 0.05% , maximum 0.045% of total aluminum content in steel, maximum 0.015% phosphorus, maximum 0.015% sulfur.
HR20000679A 1999-11-17 2001-07-02 Steel for railway crossing points HRPK20010494B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CZ1009199U CZ9574U1 (en) 1999-11-17 1999-11-17 Steel for railway crossing points
PCT/CZ2000/000085 WO2001036698A1 (en) 1999-11-17 2000-11-14 Steel for railway crossing points

Publications (2)

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HRP20010494A2 true HRP20010494A2 (en) 2002-06-30
HRPK20010494B1 HRPK20010494B1 (en) 2003-06-30

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HR20000679A HRPK20010494B1 (en) 1999-11-17 2001-07-02 Steel for railway crossing points

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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)

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* 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
BRPI0817570B1 (en) * 2007-10-30 2017-05-23 Nippon Steel & Sumitomo Metal Corp steel pipe and method for producing it

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
HU223154B1 (en) * 1995-11-23 2004-03-29 Jinpo Plus A.S. Method of welding material onto rails

Also Published As

Publication number Publication date
AU1128101A (en) 2001-05-30
YU50601A (en) 2004-03-12
RU2248408C2 (en) 2005-03-20
UA70342C2 (en) 2004-10-15
HRPK20010494B1 (en) 2003-06-30
WO2001036698A1 (en) 2001-05-25
DE20080276U1 (en) 2001-11-29
PL349011A1 (en) 2002-06-17
CA2355868A1 (en) 2001-05-25
PL193180B1 (en) 2007-01-31
CH694464A5 (en) 2005-01-31
CZ9574U1 (en) 2000-01-31

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