EP1929054A4 - Methods for heat treating thick-walled forgings - Google Patents

Methods for heat treating thick-walled forgings

Info

Publication number
EP1929054A4
EP1929054A4 EP06816080A EP06816080A EP1929054A4 EP 1929054 A4 EP1929054 A4 EP 1929054A4 EP 06816080 A EP06816080 A EP 06816080A EP 06816080 A EP06816080 A EP 06816080A EP 1929054 A4 EP1929054 A4 EP 1929054A4
Authority
EP
European Patent Office
Prior art keywords
methods
heat treating
treating thick
forgings
walled
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.)
Withdrawn
Application number
EP06816080A
Other languages
German (de)
French (fr)
Other versions
EP1929054A1 (en
Inventor
Philip A Huff
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.)
Hydril USA Distribution LLC
Original Assignee
Hydril USA Manufacturing LLC
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 Hydril USA Manufacturing LLC filed Critical Hydril USA Manufacturing LLC
Publication of EP1929054A1 publication Critical patent/EP1929054A1/en
Publication of EP1929054A4 publication Critical patent/EP1929054A4/en
Withdrawn legal-status Critical Current

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
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • 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
    • 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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
EP06816080A 2005-09-29 2006-09-29 Methods for heat treating thick-walled forgings Withdrawn EP1929054A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/239,035 US20070068607A1 (en) 2005-09-29 2005-09-29 Method for heat treating thick-walled forgings
PCT/US2006/038545 WO2007038789A1 (en) 2005-09-29 2006-09-29 Methods for heat treating thick-walled forgings

Publications (2)

Publication Number Publication Date
EP1929054A1 EP1929054A1 (en) 2008-06-11
EP1929054A4 true EP1929054A4 (en) 2010-03-31

Family

ID=37892420

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06816080A Withdrawn EP1929054A4 (en) 2005-09-29 2006-09-29 Methods for heat treating thick-walled forgings

Country Status (10)

Country Link
US (1) US20070068607A1 (en)
EP (1) EP1929054A4 (en)
KR (1) KR20080063371A (en)
CN (1) CN101300365A (en)
AU (1) AU2006294442A1 (en)
BR (1) BRPI0616689A2 (en)
CA (1) CA2623995A1 (en)
EA (1) EA012791B1 (en)
NO (1) NO20081850L (en)
WO (1) WO2007038789A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5201625B2 (en) * 2008-05-13 2013-06-05 株式会社日本製鋼所 High strength low alloy steel with excellent high pressure hydrogen environment embrittlement resistance and method for producing the same
US20090321144A1 (en) * 2008-06-30 2009-12-31 Wyble Kevin J Protecting an element from excessive surface wear by localized hardening
CN103975080A (en) * 2011-10-07 2014-08-06 巴巴萨海布·尼尔康德·卡利亚尼 A process to improve fatigue strength of micro alloy steels, forged parts made from the process and an apparatus to execute the process
WO2016079565A1 (en) * 2014-11-18 2016-05-26 Arcelormittal Method for manufacturing a high strength steel product and steel product thereby obtained
CN105483561A (en) * 2015-12-16 2016-04-13 常熟市虹桥铸钢有限公司 Annular preventer shell
CN107805756A (en) * 2016-09-09 2018-03-16 中国石化工程建设有限公司 A kind of cryogenic steel, low-temperature pressure container and steel for pipe pipe and preparation method thereof
CN109811262B (en) * 2019-02-26 2021-03-12 中信重工机械股份有限公司 Manufacturing process of 2.25Cr1Mo0.25V steel heavy wall thickness hydrogenated forging
CN115323136B (en) * 2022-08-19 2024-01-19 无锡派克新材料科技股份有限公司 Manufacturing method of 15-bit 3H M phi A shell forging for nuclear power component
CN115354138B (en) * 2022-08-19 2023-11-21 河南中原特钢装备制造有限公司 Heat treatment process for improving hardness uniformity of whole cross section of 20CrNiMo calender roll

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1490535A (en) * 1973-11-06 1977-11-02 Norrbottens Jaernverk Ab Manufacturing a hardened steel article
DE3332026C1 (en) * 1983-09-06 1984-11-22 Berchem & Schaberg Gmbh, 4650 Gelsenkirchen Use of a steel alloy as material for drop-forged flails of soil-working machines
EP0152263A2 (en) * 1984-02-08 1985-08-21 Cameron Iron Works, Inc. Wellhead structure and method of producing same
JPH1088274A (en) * 1996-09-10 1998-04-07 Japan Casting & Forging Corp High strength heat resistant steel and its production

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1161844A (en) * 1967-06-29 1969-08-20 English Steel Corp Ltd Improved Heat-Resistant Alloy Steel for Large Forgings.
US4750950A (en) * 1986-11-19 1988-06-14 Inco Alloys International, Inc. Heat treated alloy
JP2813800B2 (en) * 1988-09-20 1998-10-22 株式会社神戸製鋼所 Warm forging steel for machine structures
US5180450A (en) * 1990-06-05 1993-01-19 Ferrous Wheel Group Inc. High performance high strength low alloy wrought steel
JPH07316721A (en) * 1994-03-30 1995-12-05 Toshiba Corp High and low pressure integrated type turbine rotor and its production
US5545269A (en) * 1994-12-06 1996-08-13 Exxon Research And Engineering Company Method for producing ultra high strength, secondary hardening steels with superior toughness and weldability
JPH10265841A (en) * 1997-03-25 1998-10-06 Aichi Steel Works Ltd Production of high strength cold forging parts
JP3893756B2 (en) * 1998-07-08 2007-03-14 住友金属工業株式会社 Hot forging steel
JP3483493B2 (en) * 1999-03-19 2004-01-06 日本鋳鍛鋼株式会社 Cast steel for pressure vessel and method of manufacturing pressure vessel using the same
JP4435953B2 (en) * 1999-12-24 2010-03-24 新日本製鐵株式会社 Bar wire for cold forging and its manufacturing method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1490535A (en) * 1973-11-06 1977-11-02 Norrbottens Jaernverk Ab Manufacturing a hardened steel article
DE3332026C1 (en) * 1983-09-06 1984-11-22 Berchem & Schaberg Gmbh, 4650 Gelsenkirchen Use of a steel alloy as material for drop-forged flails of soil-working machines
EP0152263A2 (en) * 1984-02-08 1985-08-21 Cameron Iron Works, Inc. Wellhead structure and method of producing same
JPH1088274A (en) * 1996-09-10 1998-04-07 Japan Casting & Forging Corp High strength heat resistant steel and its production

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
MURMAN F: "FOR RELIEF OF GAS TOUGH BLOWOUT PREVENTERS PROTECT DEEP OIL WELLS", MACHINE DESIGN, PENTON MEDIA, CLEVELAND, OH, US, vol. 53, no. 2, 22 January 1981 (1981-01-22), pages 68/69, XP001157719, ISSN: 0024-9114 *

Also Published As

Publication number Publication date
WO2007038789A1 (en) 2007-04-05
BRPI0616689A2 (en) 2011-06-28
US20070068607A1 (en) 2007-03-29
CN101300365A (en) 2008-11-05
NO20081850L (en) 2008-06-17
EA012791B1 (en) 2009-12-30
KR20080063371A (en) 2008-07-03
EP1929054A1 (en) 2008-06-11
EA200800969A1 (en) 2008-08-29
CA2623995A1 (en) 2007-04-05
AU2006294442A1 (en) 2007-04-05

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Legal Events

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RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: HYDRIL USA MANUFACTURING LLC

RIC1 Information provided on ipc code assigned before grant

Ipc: C21D 6/00 20060101AFI20080814BHEP

Ipc: C22C 38/00 20060101ALI20080814BHEP

A4 Supplementary search report drawn up and despatched

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