JPS53129153A - Manufacturing process for steel pipe from square bar - Google Patents

Manufacturing process for steel pipe from square bar

Info

Publication number
JPS53129153A
JPS53129153A JP13900777A JP13900777A JPS53129153A JP S53129153 A JPS53129153 A JP S53129153A JP 13900777 A JP13900777 A JP 13900777A JP 13900777 A JP13900777 A JP 13900777A JP S53129153 A JPS53129153 A JP S53129153A
Authority
JP
Japan
Prior art keywords
manufacturing process
steel pipe
square bar
square
bar
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.)
Pending
Application number
JP13900777A
Other languages
English (en)
Japanese (ja)
Inventor
Baruji Giurio
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.)
SMS Group SpA
Original Assignee
Innocenti Santeustacchio SpA
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 Innocenti Santeustacchio SpA filed Critical Innocenti Santeustacchio SpA
Publication of JPS53129153A publication Critical patent/JPS53129153A/ja
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B23/00—Tube-rolling not restricted to methods provided for in only one of groups B21B17/00, B21B19/00, B21B21/00, e.g. combined processes planetary tube rolling, auxiliary arrangements, e.g. lubricating, special tube blanks, continuous casting combined with tube rolling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B17/00—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling
    • B21B17/08—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling with mandrel having one or more protrusions, i.e. only the mandrel plugs contact the rolled tube; Press-piercing mills

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Rolling (AREA)
JP13900777A 1977-04-15 1977-11-21 Manufacturing process for steel pipe from square bar Pending JPS53129153A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2250177A IT1114778B (it) 1977-04-15 1977-04-15 Impianto per la produzione di tubi di acciaio a partire da barre quadre

Publications (1)

Publication Number Publication Date
JPS53129153A true JPS53129153A (en) 1978-11-10

Family

ID=11197113

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13900777A Pending JPS53129153A (en) 1977-04-15 1977-11-21 Manufacturing process for steel pipe from square bar

Country Status (4)

Country Link
JP (1) JPS53129153A (it)
DE (1) DE2749175A1 (it)
ES (1) ES459075A1 (it)
IT (1) IT1114778B (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4318294A (en) * 1978-12-29 1982-03-09 Nippon Steel Corporation Method of manufacturing seamless metal pipes and tubes
BE890981A (fr) * 1981-11-04 1982-03-01 Meuse Tubes Usines Procede de fabrication de tubes sans soudure, installation pour sa mise en oeuvre et tubes sans soudure obtenus par le procede ou par ladite installation

Also Published As

Publication number Publication date
ES459075A1 (es) 1978-04-16
DE2749175A1 (de) 1978-10-19
IT1114778B (it) 1986-01-27

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