JPS54117333A - Heat treating method for galvanized steel strip - Google Patents

Heat treating method for galvanized steel strip

Info

Publication number
JPS54117333A
JPS54117333A JP2405478A JP2405478A JPS54117333A JP S54117333 A JPS54117333 A JP S54117333A JP 2405478 A JP2405478 A JP 2405478A JP 2405478 A JP2405478 A JP 2405478A JP S54117333 A JPS54117333 A JP S54117333A
Authority
JP
Japan
Prior art keywords
rolls
galvanized steel
roll
zinc
steel strip
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
JP2405478A
Other languages
Japanese (ja)
Other versions
JPS5732103B2 (en
Inventor
Masayoshi Yoshida
Mitsuo Azuma
Tatsuya Kanamaru
Motohiro Nakayama
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 JP2405478A priority Critical patent/JPS54117333A/en
Publication of JPS54117333A publication Critical patent/JPS54117333A/en
Publication of JPS5732103B2 publication Critical patent/JPS5732103B2/ja
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/003—Apparatus
    • C23C2/0035—Means for continuously moving substrate through, into or out of the bath
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/003—Apparatus
    • C23C2/0038—Apparatus characterised by the pre-treatment chambers located immediately upstream of the bath or occurring locally before the dipping process

Abstract

PURPOSE:To prevent attachment of zinc to the surface of a roll and growth of the zinc in overaging of a galvanized steel sheet by using rolls, in an atmosphere of a spevific inert gas, formed by impregnating a base material of mineral fibers with phenol resin. CONSTITUTION:A base material of woven mineral fibers such as asbestos is impregnated with phenol resin, etc. and dried to form a hearth roll. The rolls are set in an overaging furnace kept under an stmosphere of 250-430 deg.C and of an inert gas such as N2 contg. below 3 vol% of oxygen, and a galvanized steel strip is fed between the rolls. By use of the rolls the amt. of zinc picked up on the roll surfaces is minimized, and exfoliation, damage, etc. of the surface layer of each roll are avoided, thus preventing occurence of a defect such as pushing crack on the strip.
JP2405478A 1978-03-04 1978-03-04 Heat treating method for galvanized steel strip Granted JPS54117333A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2405478A JPS54117333A (en) 1978-03-04 1978-03-04 Heat treating method for galvanized steel strip

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2405478A JPS54117333A (en) 1978-03-04 1978-03-04 Heat treating method for galvanized steel strip

Publications (2)

Publication Number Publication Date
JPS54117333A true JPS54117333A (en) 1979-09-12
JPS5732103B2 JPS5732103B2 (en) 1982-07-08

Family

ID=12127740

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2405478A Granted JPS54117333A (en) 1978-03-04 1978-03-04 Heat treating method for galvanized steel strip

Country Status (1)

Country Link
JP (1) JPS54117333A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6086218A (en) * 1983-10-18 1985-05-15 Nippon Kokan Kk <Nkk> Over-aging processing of in-line hot galvanized steel strip
EP0339338A1 (en) * 1988-04-22 1989-11-02 INTERATOM Gesellschaft mit beschränkter Haftung Use of carbon fibre-reinforced carbon in conveying devices in melts
US11479840B2 (en) 2018-05-23 2022-10-25 Nippon Steel Corporation Pass roll for hot-dip galvanized steel sheet manufacturing facility, hot-dip galvanized steel sheet manufacturing facility, and hot-dip galvanized steel sheet manufacturing method

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5242743A (en) * 1975-09-29 1977-04-02 Thomson Brandt Optical reader

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5242743A (en) * 1975-09-29 1977-04-02 Thomson Brandt Optical reader

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6086218A (en) * 1983-10-18 1985-05-15 Nippon Kokan Kk <Nkk> Over-aging processing of in-line hot galvanized steel strip
JPS6330974B2 (en) * 1983-10-18 1988-06-21 Nippon Kokan Kk
EP0339338A1 (en) * 1988-04-22 1989-11-02 INTERATOM Gesellschaft mit beschränkter Haftung Use of carbon fibre-reinforced carbon in conveying devices in melts
US11479840B2 (en) 2018-05-23 2022-10-25 Nippon Steel Corporation Pass roll for hot-dip galvanized steel sheet manufacturing facility, hot-dip galvanized steel sheet manufacturing facility, and hot-dip galvanized steel sheet manufacturing method

Also Published As

Publication number Publication date
JPS5732103B2 (en) 1982-07-08

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