DE59505041D1 - Verfahren zur herstellung eines nahtlosen warmgefertigten rohres - Google Patents

Verfahren zur herstellung eines nahtlosen warmgefertigten rohres

Info

Publication number
DE59505041D1
DE59505041D1 DE59505041T DE59505041T DE59505041D1 DE 59505041 D1 DE59505041 D1 DE 59505041D1 DE 59505041 T DE59505041 T DE 59505041T DE 59505041 T DE59505041 T DE 59505041T DE 59505041 D1 DE59505041 D1 DE 59505041D1
Authority
DE
Germany
Prior art keywords
seamless
producing
heat
made pipe
pipe
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 - Fee Related
Application number
DE59505041T
Other languages
English (en)
Inventor
Heinz Kron
Hans Kohlhage
Hans-Eike Wiemer
Karlheinz Kutzberger
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.)
Vodafone GmbH
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
Priority claimed from PCT/DE1995/000800 external-priority patent/WO1995034387A1/de
Application granted granted Critical
Publication of DE59505041D1 publication Critical patent/DE59505041D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • 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
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
    • B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
    • B21J5/10—Piercing billets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/46—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting
    • B21B1/466—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling metal immediately subsequent to continuous casting in a non-continuous process, i.e. the cast being cut before rolling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
    • B21B3/02—Rolling special iron alloys, e.g. stainless steel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
    • B21H1/00—Making articles shaped as bodies of revolution
    • B21H1/06—Making articles shaped as bodies of revolution rings of restricted axial length
    • B21H1/12—Making articles shaped as bodies of revolution rings of restricted axial length rings for ball or roller bearings

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)
  • Heat Treatment Of Steel (AREA)
DE59505041T 1994-06-16 1995-06-13 Verfahren zur herstellung eines nahtlosen warmgefertigten rohres Expired - Fee Related DE59505041D1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4422011 1994-06-16
DE19520833A DE19520833C2 (de) 1994-06-16 1995-05-31 Verfahren zur Herstellung eines nahtlosen warmgefertigten Rohres
PCT/DE1995/000800 WO1995034387A1 (de) 1994-06-16 1995-06-13 Verfahren zur herstellung eines nahtlosen warmgefertigten rohres

Publications (1)

Publication Number Publication Date
DE59505041D1 true DE59505041D1 (de) 1999-03-18

Family

ID=6521341

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19520833A Expired - Fee Related DE19520833C2 (de) 1994-06-16 1995-05-31 Verfahren zur Herstellung eines nahtlosen warmgefertigten Rohres
DE59505041T Expired - Fee Related DE59505041D1 (de) 1994-06-16 1995-06-13 Verfahren zur herstellung eines nahtlosen warmgefertigten rohres

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19520833A Expired - Fee Related DE19520833C2 (de) 1994-06-16 1995-05-31 Verfahren zur Herstellung eines nahtlosen warmgefertigten Rohres

Country Status (2)

Country Link
KR (1) KR970703822A (de)
DE (2) DE19520833C2 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19734563C1 (de) * 1997-08-04 1998-12-03 Mannesmann Ag Verfahren zur Herstellung von Wälzlagerringen aus Stahl
IT1298331B1 (it) 1998-03-04 1999-12-20 Mannesmann Ag Procedimento per la realizzazione di tubi senza saldatura
DE19847271C1 (de) * 1998-10-07 2000-05-04 Mannesmann Ag Verfahren zur Erzeugung von Stahl mit einem Kohlenstoffgehalt gleich/kleiner 0,9 Gewichtsprozent und einem Si-Gehalt von 0,15 - 1,0 Gewichtsprozent
NL1011805C2 (nl) * 1999-04-15 2000-10-17 Skf Eng & Res Centre Bv Werkwijze voor het vervaardigen van een kogellagerstaal.
DE10003720A1 (de) * 2000-01-24 2001-08-02 Mannesmann Ag Verfahren zum Herstellen von Wälzlagerelementen aus durchhärtendem Wälzlagerstahl
AT413195B (de) 2000-10-24 2005-12-15 Boehler Edelstahl Verfahren zur herstellung zylindrischer hohlkörper und verwendung derselben
DE10236757B4 (de) * 2002-08-10 2004-08-12 Sms Meer Gmbh Verfahren zur Herstellung eines Hohlblocks aus metallischem Material

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2058777A5 (de) * 1969-09-25 1971-05-28 Cefilac
DE3438395C1 (de) * 1984-10-19 1986-04-10 Ulrich Dr.-Ing. e.h. Dipl.-Ing. 4000 Düsseldorf Petersen Verfahren zum Herstellen nahtloser Stahlrohre grossen Durchmessers

Also Published As

Publication number Publication date
KR970703822A (ko) 1997-08-09
DE19520833A1 (de) 1995-12-21
DE19520833C2 (de) 1998-06-04

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee