GB1552250A - Controlled quenching of hot rolled steel rod or bar - Google Patents

Controlled quenching of hot rolled steel rod or bar

Info

Publication number
GB1552250A
GB1552250A GB52995/76A GB5299576A GB1552250A GB 1552250 A GB1552250 A GB 1552250A GB 52995/76 A GB52995/76 A GB 52995/76A GB 5299576 A GB5299576 A GB 5299576A GB 1552250 A GB1552250 A GB 1552250A
Authority
GB
United Kingdom
Prior art keywords
bar
rolled steel
hot rolled
steel rod
controlled quenching
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.)
Expired
Application number
GB52995/76A
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.)
British Steel Corp
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
Application filed by British Steel Corp filed Critical British Steel Corp
Priority to GB52995/76A priority Critical patent/GB1552250A/en
Priority to LU78879A priority patent/LU78879A1/en
Priority to FR7802280A priority patent/FR2415662A1/en
Publication of GB1552250A publication Critical patent/GB1552250A/en
Expired legal-status Critical Current

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)
GB52995/76A 1977-12-20 1977-12-20 Controlled quenching of hot rolled steel rod or bar Expired GB1552250A (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
GB1552250A true GB1552250A (en) 1979-09-12

Family

ID=61223595

Family Applications (1)

Application Number Title Priority Date Filing Date
GB52995/76A Expired GB1552250A (en) 1977-12-20 1977-12-20 Controlled quenching of hot rolled steel rod or bar

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
LU78879A1 (en) 1978-06-09
FR2415662B1 (en) 1985-05-17

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Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee