ES8501646A1 - Perfeccionamientos introducidos en un tren de laminacion de banda en caliente - Google Patents

Perfeccionamientos introducidos en un tren de laminacion de banda en caliente

Info

Publication number
ES8501646A1
ES8501646A1 ES523187A ES523187A ES8501646A1 ES 8501646 A1 ES8501646 A1 ES 8501646A1 ES 523187 A ES523187 A ES 523187A ES 523187 A ES523187 A ES 523187A ES 8501646 A1 ES8501646 A1 ES 8501646A1
Authority
ES
Spain
Prior art keywords
band
incubator
rolling
belt
line
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
ES523187A
Other languages
English (en)
Other versions
ES523187A0 (es
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.)
Tippins Machinery Co Inc
Original Assignee
Tippins Machinery Co Inc
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 Tippins Machinery Co Inc filed Critical Tippins Machinery Co Inc
Publication of ES8501646A1 publication Critical patent/ES8501646A1/es
Publication of ES523187A0 publication Critical patent/ES523187A0/es
Granted 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
    • C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/06—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
    • C21D8/08—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires for concrete reinforcement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
    • B21B1/30—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a non-continuous process
    • B21B1/32—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a non-continuous process in reversing single stand mills, e.g. with intermediate storage reels for accumulating work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B21B37/74—Temperature control, e.g. by cooling or heating the rolls or the product
    • 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0226—Hot rolling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
    • B21B1/24—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process
    • B21B1/26—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process by hot-rolling, e.g. Steckel hot mill
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
    • B21B1/30—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a non-continuous process
    • B21B1/32—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a non-continuous process in reversing single stand mills, e.g. with intermediate storage reels for accumulating work
    • B21B1/34—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a non-continuous process in reversing single stand mills, e.g. with intermediate storage reels for accumulating work by hot-rolling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/38—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling sheets of limited length, e.g. folded sheets, superimposed sheets, pack rolling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
    • B21B2001/228—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length skin pass rolling or temper rolling
    • 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
    • B21B45/004—Heating the product
    • B21B2045/006—Heating the product in vacuum or in inert atmosphere
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2201/00—Special rolling modes
    • B21B2201/04—Ferritic rolling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2201/00—Special rolling modes
    • B21B2201/06—Thermomechanical rolling
    • 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0231—Warm rolling
    • 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • C21D8/0263—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment following hot rolling
    • 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
    • C21D9/54—Furnaces for treating strips or wire
    • C21D9/68—Furnace coilers; Hot coilers

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Metal Rolling (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Heat Treatment Of Steel (AREA)
  • Control Of Metal Rolling (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Microscoopes, Condenser (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Laminated Bodies (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)

Abstract

METODO PARA LAMINAR TERMOMECANICAMENTE UN PRODUCTO DE ACERO EN BANDA CALIENTE HASTA UNA MICROESTRUCTURA CONTROLADA, EN UN TREN DE LAMINACION DOTADO DE UNA ESTACION DE REDUCCION FINAL Y UNOS MEDIOS DE ENFRIAMIENTO EN EL RECORRIDO DE SALIDA AGUAS ABAJO DE LA ESTACION DE REDUCCION, QUE INCLUYE UN INCUBADOR CAPAZ DE ENROLLAR Y DESENROLLAR LA BANDA.COMPRENDE LAS SIGUIENTES OPERACIONES: PRIMERA, SE HACE QUE LA BANDA SALGA DE LA ULTIMA ESTACION DE ACABADO EN EL TREN DE LAMINACION DE BANDA EN CALIENTE; SEGUNDA, SE HACE QUE LA BANDA ENTRE EN EL INCUBADOR EN LINEA; TERCERA, SE TRATA TERMICAMENTE LA BANDA DENTRO DEL INCUBADOR EN LINEA; Y POR ULTIMO, SE HACE QUE LA BANDA SALGA DEL INCUBADOR EN LINEA.
ES523187A 1982-07-13 1983-06-13 Perfeccionamientos introducidos en un tren de laminacion de banda en caliente Granted ES523187A0 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/397,789 US4505141A (en) 1982-07-13 1982-07-13 Apparatus for thermomechanically rolling hot strip product to a controlled microstructure

Publications (2)

Publication Number Publication Date
ES8501646A1 true ES8501646A1 (es) 1984-12-01
ES523187A0 ES523187A0 (es) 1984-12-01

Family

ID=23572631

Family Applications (2)

Application Number Title Priority Date Filing Date
ES523187A Granted ES523187A0 (es) 1982-07-13 1983-06-13 Perfeccionamientos introducidos en un tren de laminacion de banda en caliente
ES534292A Granted ES534292A0 (es) 1982-07-13 1984-07-13 Perfeccionamientos introducidos en un tren de laminacion de banda en caliente

Family Applications After (1)

Application Number Title Priority Date Filing Date
ES534292A Granted ES534292A0 (es) 1982-07-13 1984-07-13 Perfeccionamientos introducidos en un tren de laminacion de banda en caliente

Country Status (15)

Country Link
US (1) US4505141A (es)
EP (1) EP0099520B1 (es)
JP (1) JPS5953625A (es)
KR (1) KR870002184B1 (es)
AT (1) ATE37903T1 (es)
AU (1) AU548547B2 (es)
BR (1) BR8302867A (es)
CA (1) CA1217076A (es)
DE (1) DE3378219D1 (es)
ES (2) ES523187A0 (es)
FI (1) FI832534L (es)
MX (1) MX162612A (es)
NO (1) NO831893L (es)
NZ (1) NZ204339A (es)
ZA (1) ZA833092B (es)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4793401A (en) * 1985-12-12 1988-12-27 Kawasaki Steel Corporation Method of producing thin steel sheets having an improved processability
JPH0747166B2 (ja) * 1986-07-02 1995-05-24 川崎製鉄株式会社 厚鋼板の制御冷却設備
DE3721641C1 (de) * 1987-07-01 1989-01-12 Thyssen Stahl Ag Verfahren zur Herstellung von Warmband
FR2704238B1 (fr) * 1993-04-19 1995-07-21 Lorraine Laminage Procede de fabrication sous forme de bobines d'une bande d'acier laminee a chaud.
US5810951A (en) * 1995-06-07 1998-09-22 Ipsco Enterprises Inc. Steckel mill/on-line accelerated cooling combination
US6264767B1 (en) 1995-06-07 2001-07-24 Ipsco Enterprises Inc. Method of producing martensite-or bainite-rich steel using steckel mill and controlled cooling
EP0761326B1 (de) * 1995-09-06 2000-02-09 Sms Schloemann-Siemag Aktiengesellschaft Warmbandproduktionsanlage für das Walzen von dünnem Walzband
US6309482B1 (en) 1996-01-31 2001-10-30 Jonathan Dorricott Steckel mill/on-line controlled cooling combination
GB9802443D0 (en) * 1998-02-05 1998-04-01 Kvaerner Metals Cont Casting Method and apparatus for the manufacture of light gauge steel strip
DE19815032A1 (de) 1998-04-03 1999-10-07 Schloemann Siemag Ag Walzverfahren für ein Metallband
JP6023563B2 (ja) * 2012-11-19 2016-11-09 アイシン精機株式会社 ロール成形方法およびロール成形装置
CN111604697B (zh) * 2020-05-31 2021-05-14 日照宝华新材料有限公司 一种薄规格低碳钢横折缺陷的控制方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE550632C (de) * 1929-11-27 1932-05-12 Emil Broemel Verfahren zum Auswalzen von Baendern und Blechen
DE672122C (de) * 1936-06-12 1939-03-03 Guenther Lobkowitz Waermofen fuer Bleche, Baender und aehnliches Walzgut
US2658741A (en) * 1949-04-11 1953-11-10 Westfalenhutte Dortmund Ag Rolling mill for rolling strips or bands and sheets of steel and nonferrous metals
DE1158024B (de) * 1960-03-24 1963-11-28 Verwaltungsgesellschaft Moelle Warmblech-Walzwerk
US3201288A (en) * 1963-11-01 1965-08-17 United States Steel Corp Method of treating steel to produce a fine-grained condition
US3479853A (en) * 1967-08-29 1969-11-25 Jones & Laughlin Steel Corp Hot rolling of light gauge strip
GB1373375A (en) * 1971-11-15 1974-11-13 Canada Steel Co Method for rolling hot metal workpieces
DE2630877C2 (de) * 1976-07-09 1978-08-10 Schloemann-Siemag Ag, 4000 Duesseldorf Warmwalzen von Metallband
JPS5343661A (en) * 1976-10-01 1978-04-19 Nippon Steel Corp Hot rolling method
SE430902B (sv) * 1979-05-09 1983-12-19 Svenskt Stal Ab Sett att vermebehandla ett stalband med 0,05 - 0,20% kolhalt och laga halter legeringsemnen
US4308739A (en) * 1980-01-28 1982-01-05 Tippins Machinery Company, Inc. Method for modernizing a hot strip mill

Also Published As

Publication number Publication date
MX162612A (es) 1991-05-31
FI832534A0 (fi) 1983-07-12
AU1431383A (en) 1984-01-19
ES8506211A1 (es) 1985-07-01
EP0099520A2 (en) 1984-02-01
EP0099520B1 (en) 1988-10-12
JPS5953625A (ja) 1984-03-28
ZA833092B (en) 1984-04-25
FI832534A7 (fi) 1984-01-14
AU548547B2 (en) 1985-12-19
EP0099520A3 (en) 1985-07-31
FI832534L (fi) 1984-01-14
NZ204339A (en) 1986-09-10
KR840005361A (ko) 1984-11-12
JPS6366366B2 (es) 1988-12-20
CA1217076A (en) 1987-01-27
ATE37903T1 (de) 1988-10-15
US4505141A (en) 1985-03-19
ES534292A0 (es) 1985-07-01
ES523187A0 (es) 1984-12-01
DE3378219D1 (en) 1988-11-17
KR870002184B1 (ko) 1987-12-28
BR8302867A (pt) 1984-04-17
NO831893L (no) 1984-01-16

Similar Documents

Publication Publication Date Title
ES8501646A1 (es) Perfeccionamientos introducidos en un tren de laminacion de banda en caliente
ES2158833T1 (es) Procedimiento y dispositivo de reduccion de los pliegues de cinta en una zona de refrigeracion rapida de linea de tratamiento termico.
ATE78726T1 (de) Anlage zur herstellung von warmgewalztem stahlband.
SE8102248L (sv) Anordning vid kontinuerlig kallvalsning och glodgning av stalband
GB1035702A (en) Apparatus for processing strip material
DE58901060D1 (de) Verfahren und anlage zum walzen von auf einer bandgiessanlage gegossenen vorbaendern.
DE3861557D1 (de) Bandguss-brennschneidmaschine in stranggiessanlagen.
ES490679A0 (es) Aparato y metodo correspondiente para el bobinado de perfi- les de acero
BE882115A (fr) Procede de decoupage par laser et dispositif pour la mise en oeuvre du procede
ES2118536T3 (es) Procedimiento e instalacion de tratamiento continuo de una banda de acero galvanizada.
JPS52141034A (en) Drain water treating apparatus
JPS52138013A (en) Continuous annealing equipment
JPS528686A (en) Ultraviolet light irradition device
BR8104981A (pt) Instalacao e processo para laminar metais fundidos com altas velocidades,especialmente de aco
SE8402845D0 (sv) Verfahren zum zufuhren einer metallschmelze
JPS5362713A (en) Method and apparatus for cooling steel belt
JPS53119207A (en) Method and apparatus for cooling steel belt at continuous annealing
JPS53138961A (en) Carrying and treating apparatus of casting slab for continuous casting equipment
JPS5636313A (en) Method and apparatus for cooling rolled material in continuous hot finishing line
JPS57207126A (en) Cooler for continuous annealing furnace
ES2069922T3 (es) Linea para el recocido y decapado continuos de banda de acero inoxidable.
FR1327785A (fr) Procédé et dispositif pour la culture d'organismes végétatifs, en milieu solide stérilisé
JPS5425206A (en) Continuous annealing method of and equipment for cold rolled thin steel strip
SU605842A2 (ru) Устройство дл термообработки гидротранспортировани прокатных изделий
JPS5337511A (en) Heat treating equipment for steel sheet