IT1238224B - Processo perfezionato di laminazione a caldo di tubi senza saldatura con preventiva riduzione degli sbozzati forati - Google Patents

Processo perfezionato di laminazione a caldo di tubi senza saldatura con preventiva riduzione degli sbozzati forati

Info

Publication number
IT1238224B
IT1238224B IT02255989A IT2255989A IT1238224B IT 1238224 B IT1238224 B IT 1238224B IT 02255989 A IT02255989 A IT 02255989A IT 2255989 A IT2255989 A IT 2255989A IT 1238224 B IT1238224 B IT 1238224B
Authority
IT
Italy
Prior art keywords
blasted
perfected
perforated
pipes
welding
Prior art date
Application number
IT02255989A
Other languages
English (en)
Other versions
IT8922559A0 (it
IT8922559A1 (it
Original Assignee
Dalmine S R L C
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 S R L C filed Critical Dalmine S R L C
Publication of IT8922559A0 publication Critical patent/IT8922559A0/it
Priority to IT02255989A priority Critical patent/IT1238224B/it
Priority to AR90318469A priority patent/AR245392A1/es
Priority to US07/619,188 priority patent/US5109689A/en
Priority to PL28799390A priority patent/PL287993A1/xx
Priority to AT90830558T priority patent/ATE102089T1/de
Priority to SU904831834A priority patent/RU2036031C1/ru
Priority to ES90830558T priority patent/ES2050416T3/es
Priority to DE69007033T priority patent/DE69007033T2/de
Priority to EP90830558A priority patent/EP0430909B1/en
Priority to CN90109547A priority patent/CN1020682C/zh
Publication of IT8922559A1 publication Critical patent/IT8922559A1/it
Application granted granted Critical
Publication of IT1238224B publication Critical patent/IT1238224B/it

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)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Control Of Metal Rolling (AREA)
IT02255989A 1989-11-30 1989-11-30 Processo perfezionato di laminazione a caldo di tubi senza saldatura con preventiva riduzione degli sbozzati forati IT1238224B (it)

Priority Applications (10)

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
AR90318469A AR245392A1 (es) 1989-11-30 1990-11-26 Procedimiento mejorado de laminado en caliente para tubos sin costura,con reduccion preliminar del diametro de los productos semiterminados y una planta de laminacion para materializarlo.
US07/619,188 US5109689A (en) 1989-11-30 1990-11-27 Hot-rolling process for seamless tubes with preliminary diameter reduction of the semifinished products
PL28799390A PL287993A1 (en) 1989-11-30 1990-11-28 Method of cold rolling seamless tubes and rolling line therefor in particular for small-diameter tubes
AT90830558T ATE102089T1 (de) 1989-11-30 1990-11-29 Warmwalzverfahren fuer nahtlose rohre mit vorausgehender verringerung des durchmessers von halbzeug.
SU904831834A RU2036031C1 (ru) 1989-11-30 1990-11-29 Способ производства бесшовных горячекатаных труб, наружный диаметр которых не превышает 170 мм
ES90830558T ES2050416T3 (es) 1989-11-30 1990-11-29 Procedimiento de laminado en caliente mejorado para tubos sin costura con reduccion preliminar de diametro de los productos semiacabados.
DE69007033T DE69007033T2 (de) 1989-11-30 1990-11-29 Warmwalzverfahren für nahtlose Rohre mit vorausgehender Verringerung des Durchmessers von Halbzeug.
EP90830558A EP0430909B1 (en) 1989-11-30 1990-11-29 Improved hot-rolling process for sealess tubes with preliminary diameter reduction of the semifinished products
CN90109547A CN1020682C (zh) 1989-11-30 1990-11-29 具有半成品初步减径的热轧无缝钢管方法

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 (3)

Publication Number Publication Date
IT8922559A0 IT8922559A0 (it) 1989-11-30
IT8922559A1 IT8922559A1 (it) 1991-05-30
IT1238224B true IT1238224B (it) 1993-07-12

Family

ID=11197830

Family Applications (1)

Application Number Title Priority Date Filing Date
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

Country Status (10)

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

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.
ATE152666T1 (de) * 1991-01-22 1997-05-15 Pipe Rehab Int Inc Verfahren zur durchmesserverkleinerung und zur auskleidung von einem röhrenförmigen gegenstand
MX9702792A (es) * 1994-10-20 1998-02-28 Sumitomo Metal Ind Procedimiento para fabricar tubos de acero sin costura.
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
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
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
ATE102089T1 (de) 1994-03-15
CN1020682C (zh) 1993-05-19
IT8922559A0 (it) 1989-11-30
EP0430909B1 (en) 1994-03-02
ES2050416T3 (es) 1994-05-16
EP0430909A3 (en) 1991-10-02
DE69007033T2 (de) 1994-06-01
RU2036031C1 (ru) 1995-05-27
PL287993A1 (en) 1991-12-02
US5109689A (en) 1992-05-05
AR245392A1 (es) 1994-01-31
IT8922559A1 (it) 1991-05-30
DE69007033D1 (de) 1994-04-07
CN1052063A (zh) 1991-06-12
EP0430909A2 (en) 1991-06-05

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19961116