EP1825008B8 - Treatment process for bars - Google Patents

Treatment process for bars Download PDF

Info

Publication number
EP1825008B8
EP1825008B8 EP05819784.9A EP05819784A EP1825008B8 EP 1825008 B8 EP1825008 B8 EP 1825008B8 EP 05819784 A EP05819784 A EP 05819784A EP 1825008 B8 EP1825008 B8 EP 1825008B8
Authority
EP
European Patent Office
Prior art keywords
bars
treatment process
treatment
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.)
Not-in-force
Application number
EP05819784.9A
Other languages
German (de)
French (fr)
Other versions
EP1825008A1 (en
EP1825008B1 (en
Inventor
Francesco Toschi
Rolando Paolone
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.)
Danieli and C Officine Meccaniche SpA
Original Assignee
Danieli and C Officine Meccaniche 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 Danieli and C Officine Meccaniche SpA filed Critical Danieli and C Officine Meccaniche SpA
Publication of EP1825008A1 publication Critical patent/EP1825008A1/en
Application granted granted Critical
Publication of EP1825008B1 publication Critical patent/EP1825008B1/en
Publication of EP1825008B8 publication Critical patent/EP1825008B8/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/06—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
    • C21D8/065—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires of ferrous alloys
    • 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
    • C21D9/0075—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rods of limited length
    • 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
    • C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
    • C21D9/54—Furnaces for treating strips or wire
    • C21D9/56—Continuous furnaces for strip or wire
    • C21D9/573—Continuous furnaces for strip or wire with cooling
    • C21D9/5732—Continuous furnaces for strip or wire with cooling of wires; of rods

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Heat Treatment Of Steel (AREA)
  • Metal Rolling (AREA)
EP05819784.9A 2004-10-21 2005-10-21 Treatment process for bars Not-in-force EP1825008B8 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT002002A ITMI20042002A1 (en) 2004-10-21 2004-10-21 BAR TREATMENT PROCESS
PCT/IB2005/003132 WO2006043156A1 (en) 2004-10-21 2005-10-21 Treatment process for bars

Publications (3)

Publication Number Publication Date
EP1825008A1 EP1825008A1 (en) 2007-08-29
EP1825008B1 EP1825008B1 (en) 2017-02-01
EP1825008B8 true EP1825008B8 (en) 2017-04-26

Family

ID=34956591

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05819784.9A Not-in-force EP1825008B8 (en) 2004-10-21 2005-10-21 Treatment process for bars

Country Status (5)

Country Link
US (1) US20090044884A1 (en)
EP (1) EP1825008B8 (en)
CN (1) CN101065504B (en)
IT (1) ITMI20042002A1 (en)
WO (1) WO2006043156A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1391760B1 (en) * 2008-11-11 2012-01-27 Danieli Off Mecc THERMAL TREATMENT PROCESS OF LAMINATES
US9540714B2 (en) 2013-03-15 2017-01-10 Ut-Battelle, Llc High strength alloys for high temperature service in liquid-salt cooled energy systems
US9377245B2 (en) 2013-03-15 2016-06-28 Ut-Battelle, Llc Heat exchanger life extension via in-situ reconditioning
US9435011B2 (en) 2013-08-08 2016-09-06 Ut-Battelle, Llc Creep-resistant, cobalt-free alloys for high temperature, liquid-salt heat exchanger systems
US9683280B2 (en) 2014-01-10 2017-06-20 Ut-Battelle, Llc Intermediate strength alloys for high temperature service in liquid-salt cooled energy systems
US9683279B2 (en) 2014-05-15 2017-06-20 Ut-Battelle, Llc Intermediate strength alloys for high temperature service in liquid-salt cooled energy systems
US9605565B2 (en) 2014-06-18 2017-03-28 Ut-Battelle, Llc Low-cost Fe—Ni—Cr alloys for high temperature valve applications

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1028535A (en) * 1973-11-15 1978-03-28 Bethlehem Steel Corporation Method for controlling the temperature of steel during hot-rolling on a continuous hot-rolling mill
JPS5922773B2 (en) * 1979-09-06 1984-05-29 新日本製鐵株式会社 Direct heat treatment method for austenitic stainless steel wire
JPS62146221A (en) * 1985-12-20 1987-06-30 Kawasaki Steel Corp Manufacture of austenitic stainless steel wire rod or bar
DE3830101A1 (en) * 1988-09-05 1990-03-15 Schloemann Siemag Ag METHOD FOR OPERATING A STEEL ROLLING MILL WITH A REFRIGERATION LINE ARRANGED ON A ROLLING LINE FOR THERMOMECHANICAL FINISHED ROLLS AND ROLLING STEEL ROLLING MILL FOR IMPLEMENTING THE METHOD
DE4217149A1 (en) * 1992-05-23 1993-11-25 Schloemann Siemag Ag Rolling mill for wire or bar steel with a continuous fine steel or wire mill
US6336980B1 (en) * 1999-05-21 2002-01-08 Danieli Technology, Inc. Method for in-line heat treatment of hot rolled stock

Also Published As

Publication number Publication date
CN101065504A (en) 2007-10-31
EP1825008A1 (en) 2007-08-29
WO2006043156A1 (en) 2006-04-27
CN101065504B (en) 2011-06-29
US20090044884A1 (en) 2009-02-19
ITMI20042002A1 (en) 2005-01-21
EP1825008B1 (en) 2017-02-01

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