GB1259660A - - Google Patents

Info

Publication number
GB1259660A
GB1259660A GB1259660DA GB1259660A GB 1259660 A GB1259660 A GB 1259660A GB 1259660D A GB1259660D A GB 1259660DA GB 1259660 A GB1259660 A GB 1259660A
Authority
GB
United Kingdom
Prior art keywords
rod
air
temperature
transformation
nov
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
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 filed Critical
Publication of GB1259660A publication Critical patent/GB1259660A/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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
    • B21B45/0203—Cooling
    • B21B45/0209—Cooling devices, e.g. using gaseous coolants
    • B21B45/0215—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes
    • B21B45/0224—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes for wire, rods, rounds, bars
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/04—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of bars or wire
    • B21C37/045—Manufacture of wire or bars with particular section or properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts

Abstract

1,259,660. Rolling wire. CENTRE NATIONAL DE RECHERCHES METALLURGIQUES. 20 Nov., 1969 [22 Nov., 1968; 19 Dec., 1968], No. 56885/69. Heading B3M. [Also in Division C7] Steel rod leaving the mill is cooled alternately by water and air at such a rate that in the time taken to reach a temperature homogenization zone the rod reaches that temperature at which the austenite-pearlite transformation commences in minimum time; the rod temperature is then equalized, preferably by exposure to air, and the rod coiled after the major part of the transformation has occurred. In coiling the rod may be wound into widely spaced turns and coolant applied at such a rate as to remove the heat evolved by the transformation. Apparatus consists of a series of water spray zones through which the rod passes on leaving the mill, the zones being separated by free spaces permitting access of air and the final water-cooling zone being followed by an air exposure zone sufficient to allow homogenization and a coiler, the latter being movable along the path of the rod according to the grade of rod being produced.
GB1259660D 1968-11-22 1969-11-20 Expired GB1259660A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE724380 1968-11-22
LU57612 1968-12-19

Publications (1)

Publication Number Publication Date
GB1259660A true GB1259660A (en) 1972-01-12

Family

ID=25656719

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1259660D Expired GB1259660A (en) 1968-11-22 1969-11-20

Country Status (6)

Country Link
BE (2) BE724380A (en)
DE (1) DE1961822B2 (en)
FR (1) FR2023878A1 (en)
GB (1) GB1259660A (en)
LU (2) LU57612A1 (en)
NL (1) NL6919142A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1312527A (en) * 1969-08-19 1973-04-04 Centre Rech Metallurgique Treatment of steel rod or wire
NL168000C (en) * 1971-04-14 1982-02-16 Koninklijke Hoogovens En Staal METHOD FOR PRODUCING LOW CARBON STEEL PROFILE PROFILE, AND WELDED PRODUCTS, SUCH AS CONCRETE MATS, MANUFACTURED FROM PROFILED BARS OBTAINED
US4168993A (en) * 1978-08-10 1979-09-25 Morgan Construction Company Process and apparatus for sequentially forming and treating steel rod
LU85475A1 (en) * 1984-07-23 1986-02-12 Arbed PROCESS FOR PRODUCING HARD STEEL MACHINE WIRE

Also Published As

Publication number Publication date
LU57612A1 (en) 1970-06-26
LU59842A1 (en) 1970-01-19
DE1961822A1 (en) 1971-02-18
BE741332A (en) 1970-05-05
BE724380A (en) 1969-05-22
NL6919142A (en) 1970-06-23
DE1961822B2 (en) 1974-06-27
FR2023878A1 (en) 1970-08-21

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee