IT1274607B - Acciai per cerchioni di ruote e per ruote monoblocco destinate al settore ferroviario e simili - Google Patents

Acciai per cerchioni di ruote e per ruote monoblocco destinate al settore ferroviario e simili

Info

Publication number
IT1274607B
IT1274607B ITMI941729A ITMI941729A IT1274607B IT 1274607 B IT1274607 B IT 1274607B IT MI941729 A ITMI941729 A IT MI941729A IT MI941729 A ITMI941729 A IT MI941729A IT 1274607 B IT1274607 B IT 1274607B
Authority
IT
Italy
Prior art keywords
wheel
steels
similar
wheels
railway sector
Prior art date
Application number
ITMI941729A
Other languages
English (en)
Italian (it)
Inventor
Giampiero Amici
Andrea Ghidini
Original Assignee
Lovere Sidermeccanica Spa
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 Lovere Sidermeccanica Spa filed Critical Lovere Sidermeccanica Spa
Priority to ITMI941729A priority Critical patent/IT1274607B/it
Publication of ITMI941729A0 publication Critical patent/ITMI941729A0/it
Priority to DE69512856T priority patent/DE69512856T2/de
Priority to ES95112050T priority patent/ES2137419T3/es
Priority to AT95112050T priority patent/ATE185852T1/de
Priority to EP95112050A priority patent/EP0699774B1/en
Publication of ITMI941729A1 publication Critical patent/ITMI941729A1/it
Application granted granted Critical
Publication of IT1274607B publication Critical patent/IT1274607B/it

Links

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
    • C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • 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
    • C21D9/34—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tyres; for rims
    • 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
    • C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/26—Methods of annealing
    • C21D1/28—Normalising
    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/78—Combined heat-treatments not provided for above
    • 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
    • C21D2261/00—Machining or cutting being involved

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Articles (AREA)
  • Metal Rolling (AREA)
  • Joining Of Building Structures In Genera (AREA)
ITMI941729A 1994-08-09 1994-08-09 Acciai per cerchioni di ruote e per ruote monoblocco destinate al settore ferroviario e simili IT1274607B (it)

Priority Applications (5)

Application Number Priority Date Filing Date Title
ITMI941729A IT1274607B (it) 1994-08-09 1994-08-09 Acciai per cerchioni di ruote e per ruote monoblocco destinate al settore ferroviario e simili
DE69512856T DE69512856T2 (de) 1994-08-09 1995-08-01 Stahl für Ein-Stück-Radreifen für Eisenbahnen oder ähnliches
ES95112050T ES2137419T3 (es) 1994-08-09 1995-08-01 Aceros para llantas macizas para ferrocarriles y similares.
AT95112050T ATE185852T1 (de) 1994-08-09 1995-08-01 Stahl für ein-stück-radreifen für eisenbahnen oder ähnliches
EP95112050A EP0699774B1 (en) 1994-08-09 1995-08-01 Steels for monobloc tyres for railways and the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI941729A IT1274607B (it) 1994-08-09 1994-08-09 Acciai per cerchioni di ruote e per ruote monoblocco destinate al settore ferroviario e simili

Publications (3)

Publication Number Publication Date
ITMI941729A0 ITMI941729A0 (it) 1994-08-09
ITMI941729A1 ITMI941729A1 (it) 1996-02-09
IT1274607B true IT1274607B (it) 1997-07-18

Family

ID=11369468

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI941729A IT1274607B (it) 1994-08-09 1994-08-09 Acciai per cerchioni di ruote e per ruote monoblocco destinate al settore ferroviario e simili

Country Status (5)

Country Link
EP (1) EP0699774B1 (es)
AT (1) ATE185852T1 (es)
DE (1) DE69512856T2 (es)
ES (1) ES2137419T3 (es)
IT (1) IT1274607B (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9752203B2 (en) 2011-10-07 2017-09-05 Babasaheb Neelkanth Kalyani Process to improve fatigue strength of micro alloy steels, forged parts made from the process and an apparatus to execute the process
CN110791618A (zh) * 2019-11-11 2020-02-14 常熟非凡新材股份有限公司 球磨机衬板的加工方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS512616A (ja) * 1974-06-25 1976-01-10 Nippon Steel Corp Chodaikajuyonetsushorireeru
US4348800A (en) * 1980-04-14 1982-09-14 Republic Steel Corporation Production of steel products with medium to high contents of carbon and manganese and superior surface quality
DE3446794C1 (de) * 1984-12-21 1986-01-02 BWG Butzbacher Weichenbau GmbH, 6308 Butzbach Verfahren zur Waermebehandlung perlitischer Schienenstaehle
JPH02133544A (ja) * 1988-11-14 1990-05-22 Nkk Corp 耐焼割れ性に優れたレール鋼
US4975041A (en) * 1989-05-18 1990-12-04 Fries Steven L Die assembly for die casting a propeller structure

Also Published As

Publication number Publication date
EP0699774A2 (en) 1996-03-06
EP0699774B1 (en) 1999-10-20
DE69512856D1 (de) 1999-11-25
DE69512856T2 (de) 2000-02-24
ITMI941729A1 (it) 1996-02-09
EP0699774A3 (en) 1996-05-08
ATE185852T1 (de) 1999-11-15
ITMI941729A0 (it) 1994-08-09
ES2137419T3 (es) 1999-12-16

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Legal Events

Date Code Title Description
0001 Granted