NO20071959L - Fremgangsmate for forlengelse av levetiden til tynnveggede ror og austempererte sveisespenningsavlastede tynnveggede ror - Google Patents

Fremgangsmate for forlengelse av levetiden til tynnveggede ror og austempererte sveisespenningsavlastede tynnveggede ror

Info

Publication number
NO20071959L
NO20071959L NO20071959A NO20071959A NO20071959L NO 20071959 L NO20071959 L NO 20071959L NO 20071959 A NO20071959 A NO 20071959A NO 20071959 A NO20071959 A NO 20071959A NO 20071959 L NO20071959 L NO 20071959L
Authority
NO
Norway
Prior art keywords
walled
thin
rudders
pipe
life
Prior art date
Application number
NO20071959A
Other languages
English (en)
Inventor
Dan T Benson
Original Assignee
Oceaneering Int Inc
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 Oceaneering Int Inc filed Critical Oceaneering Int Inc
Publication of NO20071959L publication Critical patent/NO20071959L/no

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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
    • C21D1/607—Molten salts
    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/26—Methods of annealing
    • C21D1/30—Stress-relieving
    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/34—Methods of heating
    • C21D1/42—Induction heating
    • 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
    • C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/25—Process efficiency

Abstract

Foreliggende oppfinnelse vedrører en fremgangsmåte fior fiorlengelse av levetiden til tyimveggede rør ved austempering av røret i en styrt kontinuerlig kjøring som iimbefiatter oppvarming, bråkjøling og kjøling av røret i samsvar med fiomtbestemte prosessparametere. Oppfinnelsen vedrører også en prosess fior austempering av rør som har en sveisesøm og fior avlasting av restspenninger i sveisen. Oppfinnelsen vedrører også et produkt fiia de nevnte prosesser så vel som et austemperert sveisespeimingsavlastet tynnvegget rør og et slikt rør i kombinasjon med andre anordninger hvormed det egner seg fior bruk ved produksjon av hydrokarboner.
NO20071959A 2004-09-17 2007-04-17 Fremgangsmate for forlengelse av levetiden til tynnveggede ror og austempererte sveisespenningsavlastede tynnveggede ror NO20071959L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/943,575 US20060060267A1 (en) 2004-09-17 2004-09-17 Method for extending the life of thin walled tubing and austempered weld stress relieved thin walled tubing
PCT/US2005/029896 WO2006033752A2 (en) 2004-09-17 2005-08-22 Method for extending the life of thin walled tubing and austempered weld stress relieved thin walled tubing

Publications (1)

Publication Number Publication Date
NO20071959L true NO20071959L (no) 2007-04-17

Family

ID=36072658

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20071959A NO20071959L (no) 2004-09-17 2007-04-17 Fremgangsmate for forlengelse av levetiden til tynnveggede ror og austempererte sveisespenningsavlastede tynnveggede ror

Country Status (9)

Country Link
US (2) US20060060267A1 (no)
EP (1) EP1799870A2 (no)
JP (1) JP2008513604A (no)
BR (1) BRPI0515458A (no)
CA (1) CA2580462A1 (no)
MX (1) MX2007003098A (no)
NO (1) NO20071959L (no)
WO (1) WO2006033752A2 (no)
ZA (1) ZA200703074B (no)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100422353C (zh) * 2007-06-28 2008-10-01 朱兴发 钢管中频感应加热热处理方法
US20120111581A1 (en) * 2010-11-04 2012-05-10 Schlumberger Technology Corporation Apparatus and method for reducing the residual bending and fatigue in coiled tubing
CN108018488B (zh) * 2017-12-13 2019-03-08 武汉钢铁有限公司 一种ct110级连续管用热轧钢带及生产方法
CN107964637B (zh) * 2017-12-13 2019-04-30 武汉钢铁有限公司 一种ct100级连续管用热轧钢带及生产方法
CN111560510A (zh) * 2020-04-23 2020-08-21 中国重型机械研究院股份公司 一种钢管热处理淬火方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1924099A (en) * 1931-11-20 1933-08-29 United States Steel Corp Thermally hardening steel
US2818075A (en) * 1950-09-05 1957-12-31 Kolene Corp Apparatus for cleaning metal strip continuously
GB985022A (en) * 1960-04-28 1965-03-03 British Iron Steel Research Improvements in or relating to the continuous heat treatment of elongate metal material
US4533405A (en) * 1982-10-07 1985-08-06 Amax Inc. Tubular high strength low alloy steel for oil and gas wells
US4715907A (en) * 1985-07-08 1987-12-29 Tocco, Inc. Method for heat treating ferrous parts

Also Published As

Publication number Publication date
US20080042327A1 (en) 2008-02-21
US20060060267A1 (en) 2006-03-23
ZA200703074B (en) 2010-01-27
JP2008513604A (ja) 2008-05-01
BRPI0515458A (pt) 2008-07-22
EP1799870A2 (en) 2007-06-27
MX2007003098A (es) 2007-05-16
CA2580462A1 (en) 2006-03-30
WO2006033752A2 (en) 2006-03-30
WO2006033752A3 (en) 2008-08-21

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