JPS5511155A - Continuous annealing process for cold rolled hoop - Google Patents

Continuous annealing process for cold rolled hoop

Info

Publication number
JPS5511155A
JPS5511155A JP8367678A JP8367678A JPS5511155A JP S5511155 A JPS5511155 A JP S5511155A JP 8367678 A JP8367678 A JP 8367678A JP 8367678 A JP8367678 A JP 8367678A JP S5511155 A JPS5511155 A JP S5511155A
Authority
JP
Japan
Prior art keywords
hoop
cooling
heating
liq
gas
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.)
Granted
Application number
JP8367678A
Other languages
Japanese (ja)
Other versions
JPS5747738B2 (en
Inventor
Hajime Hinoto
Hiromitsu Naito
Ryoji Kamimura
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.)
Nippon Steel Corp
Original Assignee
Nippon 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 Nippon Steel Corp filed Critical Nippon Steel Corp
Priority to JP8367678A priority Critical patent/JPS5511155A/en
Publication of JPS5511155A publication Critical patent/JPS5511155A/en
Publication of JPS5747738B2 publication Critical patent/JPS5747738B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)

Abstract

PURPOSE: To perform annealing described in the title in order to manufacture hoop of clean surfaces, by, in primary cooling after heating for raising temp. and heating for recrystallization, cooling with gas-liq. spray the hoop with liq. contg. org. or inorg. acid to remove effectively the oxide film.
CONSTITUTION: In cooling a cold rolled hoop, after heating or recrystallization heat treatment, in a nonoxidation furnace of direct heating type, gas-liq. spray cooling is carried out with N2 gas and 0.01W5% by weight soln. of org. or inorg. acid, so that oxide film formed during heating for raising temp. or recrystallization or during primary cooling is dissolved and removed simultaneously with cooling to form clean surface, making it unnecessary to reheat the hoop at the time of overaging. To make it further easy to remove oxide film by the gas-liq. spray, the surface of the cold rolled hoop before annealing is, if necessary, coated with one or more member selected from the group consisting of compounds of alkaline earth metals boron, Al, Si, etc.
COPYRIGHT: (C)1980,JPO&Japio
JP8367678A 1978-07-10 1978-07-10 Continuous annealing process for cold rolled hoop Granted JPS5511155A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8367678A JPS5511155A (en) 1978-07-10 1978-07-10 Continuous annealing process for cold rolled hoop

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8367678A JPS5511155A (en) 1978-07-10 1978-07-10 Continuous annealing process for cold rolled hoop

Publications (2)

Publication Number Publication Date
JPS5511155A true JPS5511155A (en) 1980-01-25
JPS5747738B2 JPS5747738B2 (en) 1982-10-12

Family

ID=13809076

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8367678A Granted JPS5511155A (en) 1978-07-10 1978-07-10 Continuous annealing process for cold rolled hoop

Country Status (1)

Country Link
JP (1) JPS5511155A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04191335A (en) * 1990-11-27 1992-07-09 Kawasaki Steel Corp Continuous annealing and pickling method for stainless steel strip
KR20190132430A (en) * 2017-03-22 2019-11-27 파이브스 스탕 Method and apparatus for cooling steel strip in continuous line cooling section

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04191335A (en) * 1990-11-27 1992-07-09 Kawasaki Steel Corp Continuous annealing and pickling method for stainless steel strip
KR20190132430A (en) * 2017-03-22 2019-11-27 파이브스 스탕 Method and apparatus for cooling steel strip in continuous line cooling section
JP2020520409A (en) * 2017-03-22 2020-07-09 フィブ スタン Method and apparatus for cooling steel strip moving in a cooling section of a continuous line
JP2022163112A (en) * 2017-03-22 2022-10-25 フィブ スタン Cooling method and device for steel strip moving cooling section of continuous line

Also Published As

Publication number Publication date
JPS5747738B2 (en) 1982-10-12

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