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BR8700234A - Processo e dispositivo para o tratamento termico de tubos com costura de solda longitudinal - Google Patents

Processo e dispositivo para o tratamento termico de tubos com costura de solda longitudinal

Info

Publication number
BR8700234A
BR8700234A BR8700234A BR8700234A BR8700234A BR 8700234 A BR8700234 A BR 8700234A BR 8700234 A BR8700234 A BR 8700234A BR 8700234 A BR8700234 A BR 8700234A BR 8700234 A BR8700234 A BR 8700234A
Authority
BR
Brazil
Prior art keywords
tubes
thermal treatment
longitudinal weld
sewing
weld sewing
Prior art date
Application number
BR8700234A
Other languages
English (en)
Inventor
Friedhelm Schmitz
Original Assignee
Kraftwerk Union 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
Priority claimed from DE19863639403 external-priority patent/DE3639403A1/de
Application filed by Kraftwerk Union Ag filed Critical Kraftwerk Union Ag
Publication of BR8700234A publication Critical patent/BR8700234A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/002—Heat treatment of ferrous alloys containing Cr
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/50—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for welded joints
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
    • C23C8/24—Nitriding
    • C23C8/26—Nitriding of ferrous surfaces

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Heat Treatment Of Articles (AREA)
BR8700234A 1986-01-21 1987-01-21 Processo e dispositivo para o tratamento termico de tubos com costura de solda longitudinal BR8700234A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3601670 1986-01-21
DE19863639403 DE3639403A1 (de) 1986-11-18 1986-11-18 Verfahren zur verbesserung der korrosionsbestaendigkeit von geschweissten werkstuecken aus nicht-rostendem stahl und entsprechend hergestelltes werkstueck

Publications (1)

Publication Number Publication Date
BR8700234A true BR8700234A (pt) 1987-12-01

Family

ID=25840297

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8700234A BR8700234A (pt) 1986-01-21 1987-01-21 Processo e dispositivo para o tratamento termico de tubos com costura de solda longitudinal

Country Status (5)

Country Link
US (1) US4975128A (pt)
EP (1) EP0234200B1 (pt)
JP (1) JP2668870B2 (pt)
BR (1) BR8700234A (pt)
DE (1) DE3766507D1 (pt)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3744044A1 (de) * 1987-12-24 1989-07-06 Schoeller Gmbh & Co Kg Verfahren zur waermebehandlung der schweissnaht an laengsgeschweissten metallrohren und vorrichtung zur durchfuehrung des verfahrens
SE8904065L (sv) * 1988-12-07 1990-06-08 Hitachi Ltd Metod att foerbaettra egenskaperna hos svetsare paa austenitiskt rostfritt staal
DE3913973A1 (de) * 1989-04-27 1990-10-31 Siemens Ag Verfahren und vorrichtung zur selektiven waermebehandlung des schweissnahtbereiches eines laengsnahtgeschweissten rohres
US5217158A (en) * 1992-07-14 1993-06-08 Brush Wellman, Inc. Process for thermodynamically treating a region joining two members
CA2373064C (en) * 1999-05-10 2008-10-21 Mannesmannroehren-Werke Ag Process for producing welded steel pipes with a high degree of strength, ductility and deformability
GB2374098B (en) * 2000-09-11 2005-03-30 Baker Hughes Inc Multi-layer screen and downhole completion method
US7540402B2 (en) * 2001-06-29 2009-06-02 Kva, Inc. Method for controlling weld metal microstructure using localized controlled cooling of seam-welded joints
US7618503B2 (en) * 2001-06-29 2009-11-17 Mccrink Edward J Method for improving the performance of seam-welded joints using post-weld heat treatment
CA2390054C (en) * 2002-06-28 2013-03-19 Weatherford Canada Partnership Method for manufacturing continuous sucker rod
EP1664356B1 (en) * 2003-09-03 2014-12-17 Fluor Technologies Corporation Post weld heat treatment for chemically stabilized austenitic stainless steel
US7371988B2 (en) * 2004-10-22 2008-05-13 Electric Power Research Institute, Inc. Methods for extending the life of alloy steel welded joints by elimination and reduction of the HAZ
US7744709B2 (en) * 2005-08-22 2010-06-29 United Technologies Corporation Welding repair method for full hoop structures
US7977611B2 (en) 2007-07-19 2011-07-12 United Technologies Corporation Systems and methods for providing localized heat treatment of metal components
EP2446975B1 (en) * 2010-10-29 2013-07-17 Sjm Co., Ltd. Method for manufacturing a flexible piping device for an exhaust gas system of a motor vehicle
US9840752B2 (en) * 2014-05-27 2017-12-12 Keystone Engineering Company Method and apparatus for performing a localized post-weld heat treatment on a thin wall metallic cylinder
US10500672B2 (en) * 2015-02-04 2019-12-10 Fisher Controls International Llc Methods and apparatus for welding work pieces having dissimilar compositions
DE112018004200T5 (de) 2017-08-16 2020-07-09 Beijing E-Town Semiconductor Technology, Co., Ltd Thermische bearbeitung geschlossenförmiger werkstücke
KR20200064661A (ko) * 2018-11-29 2020-06-08 주식회사 포스코 국부 열처리 시스템 및 이를 이용한 냉간 성형 방법
DE102022105658A1 (de) 2022-03-10 2023-09-14 Vdm Metals International Gmbh Verfahren zur Herstellung eines Bauteils aus dem Halbzeug einer Nickel-Chrom-Aluminium-Legierung
DE102022105659A1 (de) 2022-03-10 2023-09-14 Vdm Metals International Gmbh Verfahren zur Herstellung eines mit Schweißnähten versehenen Bauteils aus einer Nickel-Chrom-Aluminium-Legierung
CN119956063A (zh) * 2025-04-11 2025-05-09 浙江大凯特钢科技有限公司 一种钢管退火炉

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2673276A (en) * 1951-02-01 1954-03-23 Babcock & Wilcox Co Post heating of electrically welded tubes in line of production
FR1409114A (fr) * 1963-09-27 1965-08-20 Elin Union Ag Procédé de traitement d'aciers à structure stable
US4188419A (en) * 1971-02-12 1980-02-12 Licentia Patent-Verwaltungs-G.M.B.H. Method for preventing cracks below seams during plating and welding
US3731051A (en) * 1971-03-26 1973-05-01 R Ellersick Articulated radiant heating modules
US4142713A (en) * 1974-11-26 1979-03-06 Nippon Steel Corporation Method of heat-treatment of welded pipe and apparatus therefor
JPS5277836A (en) * 1975-12-23 1977-06-30 Fujikoshi Kk Surface treatment of martensitic stainless steel
US4168190A (en) * 1976-04-27 1979-09-18 Daiichi Koshuha Kogyo Kabushiki Kaisha Method for locally solution-treating stainless material
SU834156A1 (ru) * 1979-06-06 1981-06-06 Ивановский Химико-Технологическийинститут Способ обработки сварных изделийиз АуСТЕНиТНыХ КОРРОзиОННОСТОйКиХСТАлЕй
JPS5884925A (ja) * 1981-11-13 1983-05-21 Kawasaki Steel Corp 電縫鋼管の熱処理方法
JPS59153841A (ja) * 1983-02-23 1984-09-01 Nippon Steel Corp 一様な強度を有する高張力電縫鋼管の製造方法
JPS60238423A (ja) * 1984-05-10 1985-11-27 Nippon Kokan Kk <Nkk> 二相系ステンレス鋼の溶接部の耐食性改善方法
JPS60106921A (ja) * 1984-07-09 1985-06-12 Hitachi Ltd オ−ステナイト系ステンレス鋼の溶体化処理法

Also Published As

Publication number Publication date
JP2668870B2 (ja) 1997-10-27
EP0234200B1 (de) 1990-12-05
DE3766507D1 (de) 1991-01-17
US4975128A (en) 1990-12-04
EP0234200A1 (de) 1987-09-02
JPS62180016A (ja) 1987-08-07

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