LU78879A1 - IMPROVEMENTS RELATED TO THE MANUFACTURE OF HOT ROLLED STEEL RODS OR BARS - Google Patents

IMPROVEMENTS RELATED TO THE MANUFACTURE OF HOT ROLLED STEEL RODS OR BARS

Info

Publication number
LU78879A1
LU78879A1 LU78879A LU78879A LU78879A1 LU 78879 A1 LU78879 A1 LU 78879A1 LU 78879 A LU78879 A LU 78879A LU 78879 A LU78879 A LU 78879A LU 78879 A1 LU78879 A1 LU 78879A1
Authority
LU
Luxembourg
Prior art keywords
bars
manufacture
rolled steel
hot rolled
steel rods
Prior art date
Application number
LU78879A
Other languages
French (fr)
Inventor
D Beard
R Dewsnap
Original Assignee
British Steel Corp
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
Priority to GB52995/76A priority Critical patent/GB1552250A/en
Application filed by British Steel Corp filed Critical British Steel Corp
Priority to LU78879A priority patent/LU78879A1/en
Priority to FR7802280A priority patent/FR2415662A1/en
Publication of LU78879A1 publication Critical patent/LU78879A1/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
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C21D1/19—Hardening; Quenching with or without subsequent tempering by interrupted quenching
    • 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
    • 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
    • C21D9/525—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length for wire, for 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)
  • Laminated Bodies (AREA)
LU78879A 1977-12-20 1978-01-16 IMPROVEMENTS RELATED TO THE MANUFACTURE OF HOT ROLLED STEEL RODS OR BARS LU78879A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB52995/76A GB1552250A (en) 1977-12-20 1977-12-20 Controlled quenching of hot rolled steel rod or bar
LU78879A LU78879A1 (en) 1977-12-20 1978-01-16 IMPROVEMENTS RELATED TO THE MANUFACTURE OF HOT ROLLED STEEL RODS OR BARS
FR7802280A FR2415662A1 (en) 1977-12-20 1978-01-27 Steel bar with ferrite-pearlite surface layer - for improved stress corrosion resistance

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB52995/76A GB1552250A (en) 1977-12-20 1977-12-20 Controlled quenching of hot rolled steel rod or bar
LU78879A LU78879A1 (en) 1977-12-20 1978-01-16 IMPROVEMENTS RELATED TO THE MANUFACTURE OF HOT ROLLED STEEL RODS OR BARS
FR7802280A FR2415662A1 (en) 1977-12-20 1978-01-27 Steel bar with ferrite-pearlite surface layer - for improved stress corrosion resistance

Publications (1)

Publication Number Publication Date
LU78879A1 true LU78879A1 (en) 1978-06-09

Family

ID=61223595

Family Applications (1)

Application Number Title Priority Date Filing Date
LU78879A LU78879A1 (en) 1977-12-20 1978-01-16 IMPROVEMENTS RELATED TO THE MANUFACTURE OF HOT ROLLED STEEL RODS OR BARS

Country Status (3)

Country Link
FR (1) FR2415662A1 (en)
GB (1) GB1552250A (en)
LU (1) LU78879A1 (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2289138A (en) * 1939-08-03 1942-07-07 United States Steel Corp Method of hardening steel
US2756169A (en) * 1950-10-19 1956-07-24 John A Roebling S Sons Corp Method of heat treating hot rolled steel rods
DE925175C (en) * 1953-02-25 1955-03-14 Gertrud Hofmann Process for producing steel work pieces with zones of different hardnesses
DE2234891C3 (en) * 1972-07-15 1979-10-11 Fried. Krupp, Huettenwerke Ag, 4630 Bochum Process for the manufacture of steel objects and their use
FR2273071A1 (en) * 1974-05-27 1975-12-26 Inst Betona Zhelezobetona Constructional steel with controlled microstructure - hard martensitic core surrounded by surface layer of sorbite
NL7610472A (en) * 1975-09-30 1977-04-01 Arbed PROCESS FOR TREATMENT OF ROLLED STEEL.

Also Published As

Publication number Publication date
FR2415662A1 (en) 1979-08-24
GB1552250A (en) 1979-09-12
FR2415662B1 (en) 1985-05-17

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