JPS53114764A - Blooming method - Google Patents

Blooming method

Info

Publication number
JPS53114764A
JPS53114764A JP2991277A JP2991277A JPS53114764A JP S53114764 A JPS53114764 A JP S53114764A JP 2991277 A JP2991277 A JP 2991277A JP 2991277 A JP2991277 A JP 2991277A JP S53114764 A JPS53114764 A JP S53114764A
Authority
JP
Japan
Prior art keywords
rolling
blooming
crack
blooming method
billet
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
JP2991277A
Other languages
Japanese (ja)
Other versions
JPS5518561B2 (en
Inventor
Kazuo Kobayashi
Katsuichi Nakayama
Toichi Tanaka
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 JP2991277A priority Critical patent/JPS53114764A/en
Publication of JPS53114764A publication Critical patent/JPS53114764A/en
Publication of JPS5518561B2 publication Critical patent/JPS5518561B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-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
    • B21B1/02—Metal-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 heavy work, e.g. ingots, slabs, blooms, or billets, in which the cross-sectional form is unimportant ; Rolling combined with forging or pressing
    • B21B1/026—Rolling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-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
    • B21B1/08—Metal-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
    • B21B1/088—H- or I-sections
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-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
    • B21B1/16—Metal-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 wire rods, bars, merchant bars, rounds wire or material of like small cross-section
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2263/00—Shape of product
    • B21B2263/20—End shape; fish tail; tongue

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Rolling (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)

Abstract

PURPOSE:To prevent the generation of the fish-tail-interstitial crack, the linear crack, etc., in the billet, while processing the blooming of the ingot, by first rolling with the blanking box pass, and then, by rolling into the specified shape and the dimension.
JP2991277A 1977-03-17 1977-03-17 Blooming method Granted JPS53114764A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2991277A JPS53114764A (en) 1977-03-17 1977-03-17 Blooming method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2991277A JPS53114764A (en) 1977-03-17 1977-03-17 Blooming method

Publications (2)

Publication Number Publication Date
JPS53114764A true JPS53114764A (en) 1978-10-06
JPS5518561B2 JPS5518561B2 (en) 1980-05-20

Family

ID=12289191

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2991277A Granted JPS53114764A (en) 1977-03-17 1977-03-17 Blooming method

Country Status (1)

Country Link
JP (1) JPS53114764A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3046520A1 (en) * 1979-12-29 1981-09-17 Sumitomo Metal Industries, Ltd., Osaka "METHOD FOR THE PRODUCTION OF A SEMI-FINISHED PRODUCT FOR A WIDE FLANGE CARRIER, IN PARTICULAR A CARRIER BLOCK"
DE3049301A1 (en) * 1980-12-29 1982-07-29 Ural'skij politechničeskij institut imeni S.M. Kirova, Sverdlovsk Continuous rolling mill sequence for mfg. I=beams - using numerous passes through grooved horizontal and vertical rolls, and universal rolling mills

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
STEEL TIMES=1971 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3046520A1 (en) * 1979-12-29 1981-09-17 Sumitomo Metal Industries, Ltd., Osaka "METHOD FOR THE PRODUCTION OF A SEMI-FINISHED PRODUCT FOR A WIDE FLANGE CARRIER, IN PARTICULAR A CARRIER BLOCK"
DE3049301A1 (en) * 1980-12-29 1982-07-29 Ural'skij politechničeskij institut imeni S.M. Kirova, Sverdlovsk Continuous rolling mill sequence for mfg. I=beams - using numerous passes through grooved horizontal and vertical rolls, and universal rolling mills

Also Published As

Publication number Publication date
JPS5518561B2 (en) 1980-05-20

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