ATE102089T1 - Warmwalzverfahren fuer nahtlose rohre mit vorausgehender verringerung des durchmessers von halbzeug. - Google Patents

Warmwalzverfahren fuer nahtlose rohre mit vorausgehender verringerung des durchmessers von halbzeug.

Info

Publication number
ATE102089T1
ATE102089T1 AT90830558T AT90830558T ATE102089T1 AT E102089 T1 ATE102089 T1 AT E102089T1 AT 90830558 T AT90830558 T AT 90830558T AT 90830558 T AT90830558 T AT 90830558T AT E102089 T1 ATE102089 T1 AT E102089T1
Authority
AT
Austria
Prior art keywords
semi
products
diameter
hot rolling
rolling process
Prior art date
Application number
AT90830558T
Other languages
English (en)
Inventor
Avanzo Raimondo D
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 ATE102089T1 publication Critical patent/ATE102089T1/de

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)
AT90830558T 1989-11-30 1990-11-29 Warmwalzverfahren fuer nahtlose rohre mit vorausgehender verringerung des durchmessers von halbzeug. ATE102089T1 (de)

Applications Claiming Priority (2)

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
EP90830558A EP0430909B1 (de) 1989-11-30 1990-11-29 Warmwalzverfahren für nahtlose Rohre mit vorausgehender Verringerung des Durchmessers von Halbzeug

Publications (1)

Publication Number Publication Date
ATE102089T1 true ATE102089T1 (de) 1994-03-15

Family

ID=11197830

Family Applications (1)

Application Number Title Priority Date Filing Date
AT90830558T ATE102089T1 (de) 1989-11-30 1990-11-29 Warmwalzverfahren fuer 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 (11)

* 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.
IL100728A (en) * 1991-01-22 1996-05-14 Pipe Rehab Int Inc Lining a tubular member with an elastomeric liner
WO1996012574A1 (en) * 1994-10-20 1996-05-02 Sumitomo Metal Industries, Ltd. Method of manufacturing seamless steel pipes and manufacturing equipment therefor
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
RU2214312C2 (ru) * 2001-07-26 2003-10-20 ОАО "Челябинский трубопрокатный завод" Способ производства труб из труднодеформируемых марок стали и сплавов с повышенным коэффициентом линейного расширения
TWI265053B (en) 2004-01-16 2006-11-01 Sumitomo Metal Ind Method for producing seamless pipe
JP4873012B2 (ja) * 2006-10-16 2012-02-08 住友金属工業株式会社 マンドレルミル及び継目無管の製造方法
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
GB1557872A (en) * 1976-09-15 1979-12-12 Shevchenko A A Others method of continuous tube rolling and rolling mill therefor
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
EP0430909B1 (de) 1994-03-02
IT1238224B (it) 1993-07-12
US5109689A (en) 1992-05-05
AR245392A1 (es) 1994-01-31
EP0430909A2 (de) 1991-06-05
PL287993A1 (en) 1991-12-02
IT8922559A1 (it) 1991-05-30
CN1020682C (zh) 1993-05-19
ES2050416T3 (es) 1994-05-16
IT8922559A0 (it) 1989-11-30
DE69007033D1 (de) 1994-04-07
CN1052063A (zh) 1991-06-12
RU2036031C1 (ru) 1995-05-27
EP0430909A3 (en) 1991-10-02
DE69007033T2 (de) 1994-06-01

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