JPS544850A - Roughing method in hot rolling - Google Patents

Roughing method in hot rolling

Info

Publication number
JPS544850A
JPS544850A JP7000577A JP7000577A JPS544850A JP S544850 A JPS544850 A JP S544850A JP 7000577 A JP7000577 A JP 7000577A JP 7000577 A JP7000577 A JP 7000577A JP S544850 A JPS544850 A JP S544850A
Authority
JP
Japan
Prior art keywords
slug
hot rolling
roughing
roughing method
rolling
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.)
Pending
Application number
JP7000577A
Other languages
Japanese (ja)
Inventor
Katsu Okado
Ichiro Nakauchi
Takashi Ariizumi
Yoshinosuke Noma
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.)
JFE Engineering Corp
Original Assignee
NKK Corp
Nippon Kokan Ltd
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 NKK Corp, Nippon Kokan Ltd filed Critical NKK Corp
Priority to JP7000577A priority Critical patent/JPS544850A/en
Publication of JPS544850A publication Critical patent/JPS544850A/en
Pending legal-status Critical Current

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  • Metal Rolling (AREA)

Abstract

PURPOSE: To increase the spread of slug in the next horizontal rolling, by preparing the shape of the roll of at least one mill in the roughing mills into a drum type pi with 5-40% crown ratio, and by rolling the slug so as to be depressed at the middle portion of upper and lower faces of the slug, in the hot roughing of the slug.
COPYRIGHT: (C)1979,JPO&Japio
JP7000577A 1977-06-15 1977-06-15 Roughing method in hot rolling Pending JPS544850A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7000577A JPS544850A (en) 1977-06-15 1977-06-15 Roughing method in hot rolling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7000577A JPS544850A (en) 1977-06-15 1977-06-15 Roughing method in hot rolling

Publications (1)

Publication Number Publication Date
JPS544850A true JPS544850A (en) 1979-01-13

Family

ID=13419047

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7000577A Pending JPS544850A (en) 1977-06-15 1977-06-15 Roughing method in hot rolling

Country Status (1)

Country Link
JP (1) JPS544850A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5695406A (en) * 1979-12-28 1981-08-01 Kaikoushiya:Kk Manufacture of lead tape
US5842761A (en) * 1993-09-30 1998-12-01 Citizen Watch Co., Ltd. Liquid crystal projector

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5219143A (en) * 1975-08-07 1977-02-14 Nippon Steel Corp Method of steel rolling

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5219143A (en) * 1975-08-07 1977-02-14 Nippon Steel Corp Method of steel rolling

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5695406A (en) * 1979-12-28 1981-08-01 Kaikoushiya:Kk Manufacture of lead tape
JPS5754204B2 (en) * 1979-12-28 1982-11-17
US5842761A (en) * 1993-09-30 1998-12-01 Citizen Watch Co., Ltd. Liquid crystal projector

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