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
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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
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.
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)
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 |
-
1968
- 1968-11-22 BE BE724380D patent/BE724380A/xx unknown
- 1968-12-19 LU LU57612D patent/LU57612A1/xx unknown
-
1969
- 1969-11-05 BE BE741332D patent/BE741332A/xx unknown
- 1969-11-19 LU LU59842D patent/LU59842A1/xx unknown
- 1969-11-20 FR FR6939879A patent/FR2023878A1/fr not_active Withdrawn
- 1969-11-20 GB GB1259660D patent/GB1259660A/en not_active Expired
- 1969-12-10 DE DE19691961822 patent/DE1961822B2/en active Pending
- 1969-12-19 NL NL6919142A patent/NL6919142A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
LU59842A1 (en) | 1970-01-19 |
DE1961822B2 (en) | 1974-06-27 |
FR2023878A1 (en) | 1970-08-21 |
BE724380A (en) | 1969-05-22 |
BE741332A (en) | 1970-05-05 |
NL6919142A (en) | 1970-06-23 |
DE1961822A1 (en) | 1971-02-18 |
LU57612A1 (en) | 1970-06-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |