JPS5772709A - Pipe piercing guide shoe - Google Patents

Pipe piercing guide shoe

Info

Publication number
JPS5772709A
JPS5772709A JP14901780A JP14901780A JPS5772709A JP S5772709 A JPS5772709 A JP S5772709A JP 14901780 A JP14901780 A JP 14901780A JP 14901780 A JP14901780 A JP 14901780A JP S5772709 A JPS5772709 A JP S5772709A
Authority
JP
Japan
Prior art keywords
guide shoe
heat resisting
pipe
base metal
contacting
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
JP14901780A
Other languages
Japanese (ja)
Other versions
JPH0228401B2 (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/en
Publication of JPS5772709A publication Critical patent/JPS5772709A/en
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)

Abstract

PURPOSE:To improve the abrasion resistance and the seizure resistance of a guide shoe, by build-up welding a heat resisting and abrasion resisting alloy on the surface, contacting with a pipe material, of a base metal made of a heat resisting steel containing a limited amount of carbon. CONSTITUTION:A pipe piercing guide shoe is made of a heat resisting stainless steel containing <=0.5% C. On the surface, contacting with a pipe material, of this base metal, a heat resisting Co alloy, etc., having a hardness Hv>=190 at 900 deg.C, is build-up welded into >=4mm. thickness. This pipe piercing guide shoe consists of a base metal and a surface layer respectively made of dissimilar materials, so that the surface layer contacting with a pipe material has an improved abrasion resistance and seizure resistance, and the main body has an improved crack resistance. Accordingly, this guide shoe is available in piercing a hardly rollable material, and besides, its service life is also extended.
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 true JPS5772709A (en) 1982-05-07
JPH0228401B2 JPH0228401B2 (en) 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 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4466265A (en) * 1981-04-03 1984-08-21 Mannesmann A.G. Compound tool for hot-working
JPS60148689A (en) * 1984-01-10 1985-08-05 Nippon Steel Corp Production of composite seamless guide shoe
JPS6487004A (en) * 1987-09-30 1989-03-31 Nippon Steel Corp Guide shoe for rolling mill for manufacture of seamless tube

Citations (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

Patent Citations (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

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4466265A (en) * 1981-04-03 1984-08-21 Mannesmann A.G. Compound tool for hot-working
JPS60148689A (en) * 1984-01-10 1985-08-05 Nippon Steel Corp Production of composite seamless guide shoe
JPS6487004A (en) * 1987-09-30 1989-03-31 Nippon Steel Corp Guide shoe for rolling mill for manufacture of seamless tube
JPH0571321B2 (en) * 1987-09-30 1993-10-07 Nippon Steel Corp

Also Published As

Publication number Publication date
JPH0228401B2 (en) 1990-06-25

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