JPS57103702A - Production of ribbed h-steel - Google Patents

Production of ribbed h-steel

Info

Publication number
JPS57103702A
JPS57103702A JP17953580A JP17953580A JPS57103702A JP S57103702 A JPS57103702 A JP S57103702A JP 17953580 A JP17953580 A JP 17953580A JP 17953580 A JP17953580 A JP 17953580A JP S57103702 A JPS57103702 A JP S57103702A
Authority
JP
Japan
Prior art keywords
steel
universal
blank
poststage
rolling mill
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
JP17953580A
Other languages
Japanese (ja)
Other versions
JPS5918123B2 (en
Inventor
Yoshiaki Kusaba
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
Sumitomo Metal Industries 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 Sumitomo Metal Industries Ltd filed Critical Sumitomo Metal Industries Ltd
Priority to JP17953580A priority Critical patent/JPS5918123B2/ja
Publication of JPS57103702A publication Critical patent/JPS57103702A/en
Publication of JPS5918123B2 publication Critical patent/JPS5918123B2/ja
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B21B1/08Metal-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 structural sections, i.e. work of special cross-section, e.g. angle steel
    • B21B1/088H- or I-sections

Abstract

PURPOSE:To produce ribbed H-steel efficiently by a hot rolling method by subjecting a beam blank after rough rolling successively to forming to open-leg H-steel, and forming of parts corresponding to flanges and ribs with forestage-, poststage- and finishing universal mills. CONSTITUTION:After a blank steel bloom or the like is roughly rolled 5 to a beam blank 1, the blank is formed to open-leg H-steel 14 with the forestage universal rolling mill 6 of an intermediate rolling mill group 9. At the same instant of this forming, the H-steel 14 is formed of leading end faces of the parts corresponding to ribs with the horizontal rolls 17', 17' of the poststage universal rolling mill 7. Thence, this formed body is curved of the parts corresponding to flanges and said ribs to the inner side by the pressure rolling with the vertical rolls 18, 18' of the poststage universal rolling mill 7. Next, the outer side faces thereof are pressed to a linear shape with a finishing universal mill 8, whereby the ribbed H-steel 23 is produced.
JP17953580A 1980-12-17 1980-12-17 Expired JPS5918123B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17953580A JPS5918123B2 (en) 1980-12-17 1980-12-17

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17953580A JPS5918123B2 (en) 1980-12-17 1980-12-17

Publications (2)

Publication Number Publication Date
JPS57103702A true JPS57103702A (en) 1982-06-28
JPS5918123B2 JPS5918123B2 (en) 1984-04-25

Family

ID=16067447

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17953580A Expired JPS5918123B2 (en) 1980-12-17 1980-12-17

Country Status (1)

Country Link
JP (1) JPS5918123B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59212101A (en) * 1983-05-17 1984-12-01 Sumitomo Metal Ind Ltd Rolling method capable of changing web height and row of rolling mill
US4969346A (en) * 1986-03-12 1990-11-13 Usg Interiors, Inc. Apparatus for producing cold roll-formed structures

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59212101A (en) * 1983-05-17 1984-12-01 Sumitomo Metal Ind Ltd Rolling method capable of changing web height and row of rolling mill
JPH027721B2 (en) * 1983-05-17 1990-02-20 Sumitomo Metal Ind
US4969346A (en) * 1986-03-12 1990-11-13 Usg Interiors, Inc. Apparatus for producing cold roll-formed structures

Also Published As

Publication number Publication date
JPS5918123B2 (en) 1984-04-25

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