DE69007033D1 - Warmwalzverfahren für nahtlose Rohre mit vorausgehender Verringerung des Durchmessers von Halbzeug. - Google Patents

Warmwalzverfahren für nahtlose Rohre mit vorausgehender Verringerung des Durchmessers von Halbzeug.

Info

Publication number
DE69007033D1
DE69007033D1 DE90830558T DE69007033T DE69007033D1 DE 69007033 D1 DE69007033 D1 DE 69007033D1 DE 90830558 T DE90830558 T DE 90830558T DE 69007033 T DE69007033 T DE 69007033T DE 69007033 D1 DE69007033 D1 DE 69007033D1
Authority
DE
Germany
Prior art keywords
semi
diameter
hot rolling
rolling process
finished products
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
DE90830558T
Other languages
English (en)
Other versions
DE69007033T2 (de
Inventor
Avanzo Raimondo D
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.)
Dalmine SpA
Original Assignee
Dalmine 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 Dalmine SpA filed Critical Dalmine SpA
Application granted granted Critical
Publication of DE69007033D1 publication Critical patent/DE69007033D1/de
Publication of DE69007033T2 publication Critical patent/DE69007033T2/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
    • 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
    • B21B17/02—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, i.e. the mandrel rod contacts the rolled tube over the rod length
    • B21B17/04—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, i.e. the mandrel rod contacts the rolled tube over the rod length in a continuous process
    • 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
    • B21B17/14—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling without mandrel, e.g. stretch-reducing mills
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B25/00—Mandrels for metal tube rolling mills, e.g. mandrels of the types used in the methods covered by group B21B17/00; Accessories or auxiliary means therefor ; Construction of, or alloys for, mandrels or plugs
    • B21B25/04—Cooling or lubricating mandrels during operation

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Rolling (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Control Of Metal Rolling (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
DE69007033T 1989-11-30 1990-11-29 Warmwalzverfahren für nahtlose Rohre mit vorausgehender Verringerung des Durchmessers von Halbzeug. Expired - Fee Related DE69007033T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT02255989A IT1238224B (it) 1989-11-30 1989-11-30 Processo perfezionato di laminazione a caldo di tubi senza saldatura con preventiva riduzione degli sbozzati forati

Publications (2)

Publication Number Publication Date
DE69007033D1 true DE69007033D1 (de) 1994-04-07
DE69007033T2 DE69007033T2 (de) 1994-06-01

Family

ID=11197830

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69007033T Expired - Fee Related DE69007033T2 (de) 1989-11-30 1990-11-29 Warmwalzverfahren für nahtlose Rohre mit vorausgehender Verringerung des Durchmessers von Halbzeug.

Country Status (10)

Country Link
US (1) US5109689A (de)
EP (1) EP0430909B1 (de)
CN (1) CN1020682C (de)
AR (1) AR245392A1 (de)
AT (1) ATE102089T1 (de)
DE (1) DE69007033T2 (de)
ES (1) ES2050416T3 (de)
IT (1) IT1238224B (de)
PL (1) PL287993A1 (de)
RU (1) RU2036031C1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2662632B1 (fr) * 1990-05-30 1992-10-30 Plastic Omnium Cie Procede pour la realisation de tubes minces en resine fluoree notamment en polytetrafluorethylene.
CA2100968A1 (en) * 1991-01-22 1992-07-23 Jim S. Mcmillan Variable angular insertion method for lining tubular members
CN1064276C (zh) * 1994-10-20 2001-04-11 住友金属工业株式会社 无缝钢管的制造方法及其制造设备
JP3855300B2 (ja) * 1996-04-19 2006-12-06 住友金属工業株式会社 継目無鋼管の製造方法および製造設備
WO2005068098A1 (ja) * 2004-01-16 2005-07-28 Sumitomo Metal Industries, Ltd. 継目無管の製造方法
CN101568395B (zh) * 2006-10-16 2011-11-09 住友金属工业株式会社 芯棒式无缝管轧机及无缝管的制造方法
DE102008050771A1 (de) * 2008-10-08 2010-04-29 Geotomographie Gmbh Erzeugung seismischer Wellen in Bohrungen mit elektromagnetischen Impulswandlern
DE102008061141B4 (de) * 2008-12-09 2012-08-30 Sumitomo Metal Industries, Ltd. Verfahren zur Herstellung nahtloser Rohre mittels eines Drei-Walzen-Stangenwalzwerks
CN102974615B (zh) * 2012-11-08 2015-07-15 聊城市开发区全运钢管制造有限公司 圆钢穿孔衬芯轧制工艺方法
CN114558891B (zh) * 2022-03-04 2024-05-24 贵州捷盛钻具股份有限公司 钎杆用中空钢热轧方法、中空钢及热轧机

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1499535A (en) * 1922-08-12 1924-07-01 John A Katzenmeyer Method of manufacturing tubes and a continuous mill therefor
FR783354A (fr) * 1933-12-28 1935-07-11 Schloemann Ag Procédé et dispositif pour rétreindre les tubes
SU418234A1 (ru) * 1968-11-23 1974-03-05 Ю. И. Блинов, М. А. Шубин, Ю. В. Самар нов , И. П. Макаров Способ прокатки труб с натяжением на редукционном стане
DE2641555A1 (de) * 1976-09-15 1978-03-16 Schevtschenko Verfahren zum kontinuierlichen rohrwalzen und kontinuierliches rohrwalzwerk
DE2755058A1 (de) * 1977-12-08 1979-06-13 Mannesmann Ag Verfahren zum herstellen nahtloser rohre auf einer stossbank
US4318294A (en) * 1978-12-29 1982-03-09 Nippon Steel Corporation Method of manufacturing seamless metal pipes and tubes
JPS59286B2 (ja) * 1979-08-20 1984-01-06 新日本製鐵株式会社 管の連続圧延法
FR2469962A1 (fr) * 1979-11-21 1981-05-29 Vallourec Procede et dispositif pour la fabrication d'un tube d'acier sans soudure par laminage a chaud sur mandrin
DE3136381A1 (de) * 1981-09-14 1983-04-14 Kocks Technik Gmbh & Co, 4010 Hilden Walzwerksanlage zur herstellung nahtloser rohre
DE3140015A1 (de) * 1981-10-08 1983-04-21 Kocks Technik Gmbh & Co, 4010 Hilden Anlage zum herstellen nahtloser rohre
DE3309797A1 (de) * 1983-03-18 1984-09-20 Kocks Technik Gmbh & Co, 4010 Hilden Verfahren und anlage zum herstellen nahtloser rohre
JPS60102211A (ja) * 1983-11-08 1985-06-06 Sumitomo Metal Ind Ltd 厚肉鋼管の製造方法
US4798071A (en) * 1986-06-25 1989-01-17 Kocks Technik Gmbh & Co. Seamless tube production

Also Published As

Publication number Publication date
IT8922559A0 (it) 1989-11-30
EP0430909A3 (en) 1991-10-02
DE69007033T2 (de) 1994-06-01
CN1020682C (zh) 1993-05-19
ES2050416T3 (es) 1994-05-16
ATE102089T1 (de) 1994-03-15
EP0430909B1 (de) 1994-03-02
IT8922559A1 (it) 1991-05-30
CN1052063A (zh) 1991-06-12
RU2036031C1 (ru) 1995-05-27
PL287993A1 (en) 1991-12-02
US5109689A (en) 1992-05-05
EP0430909A2 (de) 1991-06-05
AR245392A1 (es) 1994-01-31
IT1238224B (it) 1993-07-12

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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