NL168001B - METHOD FOR TREATING HOT-ROLLED BAR-SHAPED STEEL PRODUCTS, IN PARTICULAR CONCRETE IRON. - Google Patents

METHOD FOR TREATING HOT-ROLLED BAR-SHAPED STEEL PRODUCTS, IN PARTICULAR CONCRETE IRON.

Info

Publication number
NL168001B
NL168001B NL7314593.A NL7314593A NL168001B NL 168001 B NL168001 B NL 168001B NL 7314593 A NL7314593 A NL 7314593A NL 168001 B NL168001 B NL 168001B
Authority
NL
Netherlands
Prior art keywords
shaped steel
steel products
rolled bar
particular concrete
treating hot
Prior art date
Application number
NL7314593.A
Other languages
Dutch (nl)
Other versions
NL168001C (en
NL7314593A (en
Original Assignee
Centre Rech Metallurgique
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 Centre Rech Metallurgique filed Critical Centre Rech Metallurgique
Publication of NL7314593A publication Critical patent/NL7314593A/xx
Publication of NL168001B publication Critical patent/NL168001B/en
Application granted granted Critical
Publication of NL168001C publication Critical patent/NL168001C/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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/02—Hardening articles or materials formed by forging or rolling, with no further heating beyond that required for the formation
    • 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
    • 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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/002—Bainite
    • 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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/008—Martensite
    • 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
    • C21D2221/00—Treating localised areas of an article
    • C21D2221/10—Differential treatment of inner with respect to outer regions, e.g. core and periphery, respectively

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Articles (AREA)
NL7314593A 1972-10-31 1973-10-24 METHOD FOR TREATING HOT-ROLLED BAR-SHAPED STEEL PRODUCTS, IN PARTICULAR CONCRETE IRON NL168001C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE790867 1972-10-31

Publications (3)

Publication Number Publication Date
NL7314593A NL7314593A (en) 1974-05-02
NL168001B true NL168001B (en) 1981-09-16
NL168001C NL168001C (en) 1982-02-16

Family

ID=3860370

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7314593A NL168001C (en) 1972-10-31 1973-10-24 METHOD FOR TREATING HOT-ROLLED BAR-SHAPED STEEL PRODUCTS, IN PARTICULAR CONCRETE IRON

Country Status (9)

Country Link
US (1) US3926689A (en)
JP (1) JPS49134513A (en)
BE (1) BE790867A (en)
FR (1) FR2204693B1 (en)
GB (1) GB1392269A (en)
IT (1) IT1004614B (en)
LU (1) LU68624A1 (en)
MY (1) MY8800139A (en)
NL (1) NL168001C (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL170159C (en) * 1973-06-04 1982-10-01 Estel Hoogovens Bv METHOD FOR MANUFACTURING WELDABLE LOW CARBON STEEL MATERIAL BY CONTROLLED COOLING
DD106661A1 (en) * 1973-09-24 1974-06-20
BE839080A (en) * 1976-03-01 1976-07-01 PROCESS FOR MANUFACTURING REINFORCING BARS
DE2620377A1 (en) * 1976-05-08 1977-11-17 Aeg Elotherm Gmbh METHOD FOR HEAT TREATMENT OF THICK-WALLED STEEL PIPES
IT1107284B (en) * 1977-05-13 1985-11-25 Centre Rech Metallurgique PROCEDURE FOR THE PRODUCTION OF IMPROVED QUALITY STEEL PROFILES
GB1587215A (en) * 1977-11-03 1981-04-01 British Steel Corp Manufacture of welded steel mesh
DE2844331A1 (en) * 1977-10-14 1979-04-19 Centre Rech Metallurgique METHOD FOR TREATMENT OF TUBULAR STEEL PROFILES
US4242153A (en) * 1978-10-16 1980-12-30 Morgan Construction Company Methods for hot rolling and treating rod
DE2900271C2 (en) * 1979-01-05 1984-01-26 Stahlwerke Peine-Salzgitter Ag, 3150 Peine Weldable reinforcing steel and process for its manufacture
US4527408A (en) * 1983-10-31 1985-07-09 Morgan Construction Company Method and Apparatus for cooling and handling hot rolled steel rod in direct sequence with a high speed rolling operation
DE3431008C2 (en) * 1984-08-23 1986-10-16 Dyckerhoff & Widmann AG, 8000 München Heat treatment of hot rolled bars or wires
US4786338A (en) * 1985-10-31 1988-11-22 Norio Anzawa Method for cooling rolled steels
US4824492A (en) * 1987-12-23 1989-04-25 Chaparral Steel Company Method for producing a precipitation hardenable martensitic low alloy steel forging
DD268258A1 (en) * 1988-01-08 1989-05-24 Florin Stahl Walzwerk HOEHERFESTER STAHL, ESPECIALLY CONCRETE STEEL BZW. DRAWERIVORMATERIAL, WITH IMPROVED MATERIAL PROPERTIES AND BETTER PROCESSABILITY
BE1005964A6 (en) * 1992-06-29 1994-04-05 Centre Rech Metallurgique Protection method of hot rolled steel product.
US6330903B1 (en) * 1997-02-05 2001-12-18 Steve Weinreich Mechanism for constant balance with method for manufacture of variable pitch screw
US8122580B2 (en) * 2008-06-26 2012-02-28 American Railcar Industries, Inc. Methods for manufacturing an axle

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3111436A (en) * 1961-01-17 1963-11-19 Mills James Ltd Method of hardening plain carbon and low alloy steels
BE762838A (en) * 1971-02-11 1971-08-11 Centre Rech Metallurgique PROCESS AND DEVICE FOR THE MANUFACTURING OF CONCRETE RODS,
US3756870A (en) * 1971-05-10 1973-09-04 Park Ohio Industries Inc Induction heating method of case hardening carbon steel rod

Also Published As

Publication number Publication date
IT1004614B (en) 1976-07-20
LU68624A1 (en) 1973-12-27
FR2204693B1 (en) 1976-06-18
FR2204693A1 (en) 1974-05-24
GB1392269A (en) 1975-04-30
BE790867A (en) 1973-02-15
NL168001C (en) 1982-02-16
NL7314593A (en) 1974-05-02
MY8800139A (en) 1988-12-31
US3926689A (en) 1975-12-16
JPS49134513A (en) 1974-12-25

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Legal Events

Date Code Title Description
V4 Lapsed because of reaching the maximum lifetime of a patent