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

Methods for heat treating thick-walled forgings

Info

Publication number: EP1929054A4
Authority: EP; European Patent Office
Prior art keywords: methods; heat treating; treating thick; forgings; walled
Prior art date: 2005-09-29
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn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.)

2005-09-29

Filing date

2006-09-29

Publication date

2010-03-31

2006-09-29 Application filed by Hydril USA Manufacturing LLC filed Critical Hydril USA Manufacturing LLC

2008-06-11 Publication of EP1929054A1 publication Critical patent/EP1929054A1/en

2010-03-31 Publication of EP1929054A4 publication Critical patent/EP1929054A4/en

Status Withdrawn legal-status Critical Current

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

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)
Heat Treatment Of Articles (AREA)
Forging (AREA)
Heat Treatment Of Steel (AREA)
Heat Treatment Of Strip Materials And Filament Materials (AREA)

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 (10)

* 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	Process for increasing the fatigue strength of microalloyed steel, forged parts produced by the process, and apparatus for performing 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
CN116479342B (en) *	2023-04-25	2025-02-11	承德建龙特殊钢有限公司	Steel material for deep-sea oil valve body and production method

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

2005
- 2005-09-29 US US11/239,035 patent/US20070068607A1/en not_active Abandoned
2006
- 2006-09-29 BR BRPI0616689-0A patent/BRPI0616689A2/en not_active IP Right Cessation
- 2006-09-29 WO PCT/US2006/038545 patent/WO2007038789A1/en active Application Filing
- 2006-09-29 EA EA200800969A patent/EA012791B1/en not_active IP Right Cessation
- 2006-09-29 CA CA002623995A patent/CA2623995A1/en not_active Abandoned
- 2006-09-29 KR KR1020087010163A patent/KR20080063371A/en not_active Application Discontinuation
- 2006-09-29 EP EP06816080A patent/EP1929054A4/en not_active Withdrawn
- 2006-09-29 CN CNA200680040529XA patent/CN101300365A/en active Pending
- 2006-09-29 AU AU2006294442A patent/AU2006294442A1/en not_active Abandoned
2008
- 2008-04-16 NO NO20081850A patent/NO20081850L/en not_active Application Discontinuation

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

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Legal Events

Date	Code	Title	Description
2008-05-09	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
2008-06-11	17P	Request for examination filed	Effective date: 20080328
2008-06-11	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
2008-08-13	RAP1	Party data changed (applicant data changed or rights of an application transferred)	Owner name: HYDRIL USA MANUFACTURING LLC
2008-09-17	RIC1	Information provided on ipc code assigned before grant	Ipc: C21D 6/00 20060101AFI20080814BHEP Ipc: C22C 38/00 20060101ALI20080814BHEP
2010-03-31	A4	Supplementary search report drawn up and despatched	Effective date: 20100226
2010-10-29	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
2010-12-01	18D	Application deemed to be withdrawn	Effective date: 20100526