JPH0228401B2 - - Google Patents

Info

Publication number
JPH0228401B2
JPH0228401B2 JP55149017A JP14901780A JPH0228401B2 JP H0228401 B2 JPH0228401 B2 JP H0228401B2 JP 55149017 A JP55149017 A JP 55149017A JP 14901780 A JP14901780 A JP 14901780A JP H0228401 B2 JPH0228401 B2 JP H0228401B2
Authority
JP
Japan
Prior art keywords
guide shoe
steel
pipe
base material
resistance
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
JP55149017A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5772709A (en
Inventor
Norioki Uehara
Kunio Namiki
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.)
Daido Steel Co Ltd
Original Assignee
Daido Steel Co 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 Daido Steel Co Ltd filed Critical Daido Steel Co Ltd
Priority to JP14901780A priority Critical patent/JPS5772709A/ja
Publication of JPS5772709A publication Critical patent/JPS5772709A/ja
Publication of JPH0228401B2 publication Critical patent/JPH0228401B2/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)
  • Earth Drilling (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
JP14901780A 1980-10-24 1980-10-24 Pipe piercing guide shoe Granted JPS5772709A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14901780A JPS5772709A (en) 1980-10-24 1980-10-24 Pipe piercing guide shoe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14901780A JPS5772709A (en) 1980-10-24 1980-10-24 Pipe piercing guide shoe

Publications (2)

Publication Number Publication Date
JPS5772709A JPS5772709A (en) 1982-05-07
JPH0228401B2 true JPH0228401B2 (OSRAM) 1990-06-25

Family

ID=15465845

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14901780A Granted JPS5772709A (en) 1980-10-24 1980-10-24 Pipe piercing guide shoe

Country Status (1)

Country Link
JP (1) JPS5772709A (OSRAM)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3114177C2 (de) * 1981-04-03 1984-08-23 Mannesmann AG, 4000 Düsseldorf Verfahren zum Herstellen eines Arbeitswerkzeuges zur spanlosen Warmverformung von Stahl und Warmarbeitswerkzeug
JPS60148689A (ja) * 1984-01-10 1985-08-05 Nippon Steel Corp 複合シ−ムレスガイドシユ−の製造方法
JPS6487004A (en) * 1987-09-30 1989-03-31 Nippon Steel Corp Guide shoe for rolling mill for manufacture of seamless tube

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5232814A (en) * 1975-09-10 1977-03-12 Hitachi Metals Ltd Precipitation hardening austenite cast tool alloy
JPS5318419A (en) * 1976-08-04 1978-02-20 Hitachi Metals Ltd Hot working tool steel

Also Published As

Publication number Publication date
JPS5772709A (en) 1982-05-07

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