[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

Okada et al., 1995 - Google Patents

Prevention of red scale formation during hot rolling of steels

Okada et al., 1995

View PDF
Document ID
2565248080875266871
Author
Okada H
Fukagawa T
Ishihara H
Okamoto A
Azuma M
Matsuda Y
Publication year
Publication venue
ISIJ international

External Links

Snippet

1. Introduction lrregularly striped red scale defects, sometimescalled tiger stripes, are often formed onhot rolled high strength steel strips containing morethan 0.5 o/o Si. 1~ 4) Since the red scale defects cause inhomogeneousor dirty appearance even after pickling, several hot …
Continue reading at www.jstage.jst.go.jp (PDF) (other versions)

Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHER TREATMENTS
    • C21D8/00Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0226Hot rolling
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHER TREATMENTS
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor
    • C21D9/52Heat treatment, e.g. annealing, hardening, quenching, tempering, adapted for particular articles; Furnaces therefor for wires; for strips; for rods of unlimited length
    • C21D9/54Furnaces for treating strips or wire
    • C21D9/56Continuous furnaces for strip or wire
    • C21D9/573Continuous furnaces for strip or wire with cooling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B45/00Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/04Devices 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 de-scaling, e.g. by brushing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B1/00Metal-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
    • B21B1/22Metal-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
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHER TREATMENTS
    • C21D1/00General methods or devices for heat treatments, e.g. annealing, hardening, quenching, tempering
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B45/00Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/02Devices 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
    • B21B45/0203Cooling
    • B21B45/0209Cooling devices, e.g. using gaseous coolants
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B45/00Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/02Devices 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
    • B21B45/0269Cleaning
    • B21B45/0275Cleaning devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B1/00Metal-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
    • B21B1/46Metal-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 metal immediately subsequent to continuous casting
    • B21B1/466Metal-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 metal immediately subsequent to continuous casting in a non-continuous process, i.e. the cast being cut before rolling

Similar Documents

Publication Publication Date Title
Okada et al. Prevention of red scale formation during hot rolling of steels
EP3284841A1 (en) Hot-rolled steel sheet and method for manufacturing same
Asai et al. Influence of Ni impurity in steel on the removability of primary scale in hydraulic descaling
WO1990002615A1 (en) Production method of stainless thin steel sheet having excellent surface luster and high corrosion resistance
CN113584383A (en) Short-process low-cost steel for door plate and manufacturing method thereof
EP4183892A1 (en) Steel sheet and method for producing same
JP2019183267A (en) Hot rolled steel sheet excellent in scale adhesion and manufacturing method therefor
JP2002086252A (en) Continous casting method
KR100237526B1 (en) Hot-rolled stainless steel strip and method for producing the same
EP3998361B1 (en) Hot rolled steel sheet
JP2000001759A (en) Austenitic stainless steel good in surface property and excellent in corrosion resistance
JP3915235B2 (en) Method for producing austenitic stainless steel sheet without surface pattern
JP3249006B2 (en) Structural steel plate with excellent surface properties and method of manufacturing the same
JP3374757B2 (en) Manufacturing method of steel sheet with excellent surface properties
Parusov et al. Wire rod of boron-bearing low-carbon steel for direct deep drawing
JP3231698B2 (en) Manufacturing method of hot rolled steel sheet with excellent surface properties
JP3985401B2 (en) Steel sheet rolling method
JPH06346145A (en) Production of high strength steel sheet excellent in surface property
JPH1177142A (en) Production of hot rolled stainless steel plate
JP4001264B2 (en) Manufacturing method of steel with few surface defects
JPH06315702A (en) Manufacture of thin steel sheet excellent in surface property and manufacturing equipment line therefor
JP3622497B2 (en) Manufacturing method of steel sheet with excellent surface properties
CN115193915B (en) Production process of clean steel SPCC-KJ steel grade
JPH05228526A (en) Manufacture of steel plate excellent in surface property
JP3572932B2 (en) Manufacturing method of steel plate without scale flaw