AT309369B - Method and apparatus for manufacturing seamless steel tubes - Google Patents

Method and apparatus for manufacturing seamless steel tubes

Info

Publication number
AT309369B
AT309369B AT1009070A AT1009070A AT309369B AT 309369 B AT309369 B AT 309369B AT 1009070 A AT1009070 A AT 1009070A AT 1009070 A AT1009070 A AT 1009070A AT 309369 B AT309369 B AT 309369B
Authority
AT
Austria
Prior art keywords
seamless steel
steel tubes
manufacturing seamless
manufacturing
tubes
Prior art date
Application number
AT1009070A
Other languages
German (de)
Original Assignee
Mannesmann Ag
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 Mannesmann Ag filed Critical Mannesmann Ag
Application granted granted Critical
Publication of AT309369B publication Critical patent/AT309369B/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
    • B21C1/16—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes
    • B21C1/22—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes specially adapted for making tubular articles
    • 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
    • B21B19/12—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 parallel to the axis of the work
    • B21B19/14—Rolling tubes by means of additional rollers arranged inside the tubes
    • 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
AT1009070A 1968-04-05 1968-06-26 Method and apparatus for manufacturing seamless steel tubes AT309369B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681752116 DE1752116A1 (en) 1968-04-05 1968-04-05 Method and apparatus for manufacturing seamless steel tubes

Publications (1)

Publication Number Publication Date
AT309369B true AT309369B (en) 1973-08-10

Family

ID=5692633

Family Applications (1)

Application Number Title Priority Date Filing Date
AT1009070A AT309369B (en) 1968-04-05 1968-06-26 Method and apparatus for manufacturing seamless steel tubes

Country Status (2)

Country Link
AT (1) AT309369B (en)
DE (1) DE1752116A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2198797B1 (en) * 1972-09-08 1975-01-03 Vallourec
FR2443884A1 (en) * 1978-12-15 1980-07-11 Vallourec MANUFACTURING OF TUBES WITHOUT WELDING OF STRONG DIAMETERS
US4318294A (en) * 1978-12-29 1982-03-09 Nippon Steel Corporation Method of manufacturing seamless metal pipes and tubes
DE3438395C1 (en) * 1984-10-19 1986-04-10 Ulrich Dr.-Ing. e.h. Dipl.-Ing. 4000 Düsseldorf Petersen Process for producing seamless steel pipes of large diameter
DE202023100646U1 (en) 2023-02-10 2023-03-03 GMT Gesellschaft für metallurgische Technologie- und Softwareentwicklung mbH Three-high cross-rolling mill for the manufacture of rotationally symmetrical long products in a single-stage rolling process

Also Published As

Publication number Publication date
DE1752116A1 (en) 1971-05-13

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee