JPH0479725B2 - - Google Patents

Info

Publication number
JPH0479725B2
JPH0479725B2 JP58047700A JP4770083A JPH0479725B2 JP H0479725 B2 JPH0479725 B2 JP H0479725B2 JP 58047700 A JP58047700 A JP 58047700A JP 4770083 A JP4770083 A JP 4770083A JP H0479725 B2 JPH0479725 B2 JP H0479725B2
Authority
JP
Japan
Prior art keywords
center hole
billet
rear end
drilling
end surface
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.)
Expired - Lifetime
Application number
JP58047700A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59174203A (ja
Inventor
Hideyoshi Hara
Hiroshi Kaguraoka
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 JP4770083A priority Critical patent/JPS59174203A/ja
Publication of JPS59174203A publication Critical patent/JPS59174203A/ja
Publication of JPH0479725B2 publication Critical patent/JPH0479725B2/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
    • B21B19/00—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work
    • B21B19/02—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work the axes of the rollers being arranged essentially diagonally to the axis of the work, e.g. "cross" tube-rolling ; Diescher mills, Stiefel disc piercers or Stiefel rotary piercers
    • B21B19/04—Rolling basic material of solid, i.e. non-hollow, structure; Piercing, e.g. rotary piercing mills

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
  • Heat Treatment Of Steel (AREA)
  • Metal Extraction Processes (AREA)
JP4770083A 1983-03-22 1983-03-22 継目無金属管の製造方法 Granted JPS59174203A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4770083A JPS59174203A (ja) 1983-03-22 1983-03-22 継目無金属管の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4770083A JPS59174203A (ja) 1983-03-22 1983-03-22 継目無金属管の製造方法

Publications (2)

Publication Number Publication Date
JPS59174203A JPS59174203A (ja) 1984-10-02
JPH0479725B2 true JPH0479725B2 (en]) 1992-12-16

Family

ID=12782566

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4770083A Granted JPS59174203A (ja) 1983-03-22 1983-03-22 継目無金属管の製造方法

Country Status (1)

Country Link
JP (1) JPS59174203A (en])

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016024052A1 (fr) 2014-08-13 2016-02-18 Peugeot Citroen Automobiles Sa Structure permettant de fixer des composants sur le berceau moteur sans prolonges d'un vehicule

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004082174A (ja) * 2002-08-28 2004-03-18 Jfe Steel Kk 継目無鋼管の製造方法
CN101394943B (zh) * 2006-03-01 2010-06-09 住友金属工业株式会社 高Cr无缝管的制造方法
WO2009122620A1 (ja) * 2008-03-31 2009-10-08 住友金属工業株式会社 継目無金属管の製造方法及びそれに用いられるポンチ
WO2018230450A1 (ja) * 2017-06-12 2018-12-20 新日鐵住金株式会社 継目無金属管の製造方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5372763A (en) * 1976-12-10 1978-06-28 Nippon Steel Corp Method and apparatus for forming center hole during making seamless steel pipe

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016024052A1 (fr) 2014-08-13 2016-02-18 Peugeot Citroen Automobiles Sa Structure permettant de fixer des composants sur le berceau moteur sans prolonges d'un vehicule

Also Published As

Publication number Publication date
JPS59174203A (ja) 1984-10-02

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