JPS55128307A - Mannesmann pipe making method of hard-to-work steel material - Google Patents

Mannesmann pipe making method of hard-to-work steel material

Info

Publication number
JPS55128307A
JPS55128307A JP3521479A JP3521479A JPS55128307A JP S55128307 A JPS55128307 A JP S55128307A JP 3521479 A JP3521479 A JP 3521479A JP 3521479 A JP3521479 A JP 3521479A JP S55128307 A JPS55128307 A JP S55128307A
Authority
JP
Japan
Prior art keywords
hard
metal
steel material
pipe making
work
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
JP3521479A
Other languages
English (en)
Other versions
JPS6120365B2 (ja
Inventor
Takeshi Nakada
Takeyoshi Sakane
Hiroaki Shiraishi
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 JP3521479A priority Critical patent/JPS55128307A/ja
Publication of JPS55128307A publication Critical patent/JPS55128307A/ja
Publication of JPS6120365B2 publication Critical patent/JPS6120365B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Extrusion Of Metal (AREA)
  • Metal Extraction Processes (AREA)
JP3521479A 1979-03-26 1979-03-26 Mannesmann pipe making method of hard-to-work steel material Granted JPS55128307A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3521479A JPS55128307A (en) 1979-03-26 1979-03-26 Mannesmann pipe making method of hard-to-work steel material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3521479A JPS55128307A (en) 1979-03-26 1979-03-26 Mannesmann pipe making method of hard-to-work steel material

Publications (2)

Publication Number Publication Date
JPS55128307A true JPS55128307A (en) 1980-10-04
JPS6120365B2 JPS6120365B2 (ja) 1986-05-22

Family

ID=12435583

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3521479A Granted JPS55128307A (en) 1979-03-26 1979-03-26 Mannesmann pipe making method of hard-to-work steel material

Country Status (1)

Country Link
JP (1) JPS55128307A (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62170263U (ja) * 1986-04-17 1987-10-28
JPS6366267U (ja) * 1986-10-17 1988-05-02
JPS63106670U (ja) * 1986-12-26 1988-07-09
JPH0326586U (ja) * 1989-07-24 1991-03-18

Also Published As

Publication number Publication date
JPS6120365B2 (ja) 1986-05-22

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