EA200800969A1 - Способы термообработки толстостенных поковок - Google Patents
Способы термообработки толстостенных поковокInfo
- Publication number
- EA200800969A1 EA200800969A1 EA200800969A EA200800969A EA200800969A1 EA 200800969 A1 EA200800969 A1 EA 200800969A1 EA 200800969 A EA200800969 A EA 200800969A EA 200800969 A EA200800969 A EA 200800969A EA 200800969 A1 EA200800969 A1 EA 200800969A1
- Authority
- EA
- Eurasian Patent Office
- Prior art keywords
- alloy steel
- thick
- heat treatment
- low
- approximately
- Prior art date
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
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
-
- 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
- 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)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Heat Treatment Of Articles (AREA)
- Forging (AREA)
- Heat Treatment Of Steel (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Abstract
Предложен способ термообработки толстостенных поковок, включающий в себя нагрев низколегированной стали до температуры аустенизации, при этом низколегированная сталь содержит углерод в количестве приблизительно 0,05-0,2 мас.%, марганец в количестве приблизительно 0,3-0,8 мас.% и никель в количестве приблизительно 0,25-1,0 мас.%. Способ дополнительно включает в себя закалку низколегированной стали в закалочной среде и последующий отпуск низколегированной стали в течение менее приблизительно тридцати минут на дюйм толщины критического сечения плюс приблизительно 2 ч.
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 |
---|---|
EA200800969A1 true EA200800969A1 (ru) | 2008-08-29 |
EA012791B1 EA012791B1 (ru) | 2009-12-30 |
Family
ID=37892420
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EA200800969A EA012791B1 (ru) | 2005-09-29 | 2006-09-29 | Способы термообработки толстостенных поковок |
Country Status (10)
Country | Link |
---|---|
US (1) | US20070068607A1 (ru) |
EP (1) | EP1929054A4 (ru) |
KR (1) | KR20080063371A (ru) |
CN (1) | CN101300365A (ru) |
AU (1) | AU2006294442A1 (ru) |
BR (1) | BRPI0616689A2 (ru) |
CA (1) | CA2623995A1 (ru) |
EA (1) | EA012791B1 (ru) |
NO (1) | NO20081850L (ru) |
WO (1) | WO2007038789A1 (ru) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5201625B2 (ja) * | 2008-05-13 | 2013-06-05 | 株式会社日本製鋼所 | 耐高圧水素環境脆化特性に優れた高強度低合金鋼およびその製造方法 |
US20090321144A1 (en) * | 2008-06-30 | 2009-12-31 | Wyble Kevin J | Protecting an element from excessive surface wear by localized hardening |
ES2552955T3 (es) * | 2011-10-07 | 2015-12-03 | Babasaheb Neelkanth Kalyani | Procedimiento para mejorar la resistencia a la fatiga de microaleaciones del acero, piezas forjadas realizadas mediante el procedimiento y aparato para ejecutar el procedimiento |
WO2016079565A1 (en) * | 2014-11-18 | 2016-05-26 | Arcelormittal | Method for manufacturing a high strength steel product and steel product thereby obtained |
CN105483561A (zh) * | 2015-12-16 | 2016-04-13 | 常熟市虹桥铸钢有限公司 | 一种环形防喷器壳体 |
CN107805756A (zh) * | 2016-09-09 | 2018-03-16 | 中国石化工程建设有限公司 | 一种低温用钢、低温压力容器和管道用钢管及其制备方法 |
CN109811262B (zh) * | 2019-02-26 | 2021-03-12 | 中信重工机械股份有限公司 | 一种2.25Cr1Mo0.25V钢大壁厚加氢锻件的制造工艺 |
CN115354138B (zh) * | 2022-08-19 | 2023-11-21 | 河南中原特钢装备制造有限公司 | 提高20CrNiMo压延辊全截面硬度均匀性的热处理工艺 |
CN115323136B (zh) * | 2022-08-19 | 2024-01-19 | 无锡派克新材料科技股份有限公司 | 一种核动力部件用15х3hмфа壳体锻件制造方法 |
Family Cites Families (14)
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. |
SE435527B (sv) * | 1973-11-06 | 1984-10-01 | Plannja Ab | Forfarande for framstellning av en detalj av herdat stal |
DE3332026C1 (de) * | 1983-09-06 | 1984-11-22 | Berchem & Schaberg Gmbh, 4650 Gelsenkirchen | Verwendung einer Stahllegierung als Werkstoff für im Gesenk geschmiedete Schlegel von Bodenaufbereitungsmaschinen |
CA1259458A (en) * | 1984-02-08 | 1989-09-19 | Edward L. Raymond | Wellhead structure and method of producing same |
US4750950A (en) * | 1986-11-19 | 1988-06-14 | Inco Alloys International, Inc. | Heat treated alloy |
JP2813800B2 (ja) * | 1988-09-20 | 1998-10-22 | 株式会社神戸製鋼所 | 機械構造用温間鍛造用鋼 |
US5180450A (en) * | 1990-06-05 | 1993-01-19 | Ferrous Wheel Group Inc. | High performance high strength low alloy wrought steel |
JPH07316721A (ja) * | 1994-03-30 | 1995-12-05 | Toshiba Corp | 高低圧一体型タービンロータおよびその製造方法 |
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 |
JPH1088274A (ja) * | 1996-09-10 | 1998-04-07 | Japan Casting & Forging Corp | 強靭耐熱鋼ならびにその製造方法 |
JPH10265841A (ja) * | 1997-03-25 | 1998-10-06 | Aichi Steel Works Ltd | 高強度冷間鍛造部品の製造方法 |
JP3893756B2 (ja) * | 1998-07-08 | 2007-03-14 | 住友金属工業株式会社 | 熱間鍛造用鋼 |
JP3483493B2 (ja) * | 1999-03-19 | 2004-01-06 | 日本鋳鍛鋼株式会社 | 圧力容器用鋳鋼材及びそれを用いる圧力容器の製造方法 |
JP4435953B2 (ja) * | 1999-12-24 | 2010-03-24 | 新日本製鐵株式会社 | 冷間鍛造用棒線材とその製造方法 |
-
2005
- 2005-09-29 US US11/239,035 patent/US20070068607A1/en not_active Abandoned
-
2006
- 2006-09-29 CA CA002623995A patent/CA2623995A1/en not_active Abandoned
- 2006-09-29 WO PCT/US2006/038545 patent/WO2007038789A1/en active Application Filing
- 2006-09-29 BR BRPI0616689-0A patent/BRPI0616689A2/pt not_active IP Right Cessation
- 2006-09-29 CN CNA200680040529XA patent/CN101300365A/zh active Pending
- 2006-09-29 AU AU2006294442A patent/AU2006294442A1/en not_active Abandoned
- 2006-09-29 KR KR1020087010163A patent/KR20080063371A/ko not_active Application Discontinuation
- 2006-09-29 EP EP06816080A patent/EP1929054A4/en not_active Withdrawn
- 2006-09-29 EA EA200800969A patent/EA012791B1/ru not_active IP Right Cessation
-
2008
- 2008-04-16 NO NO20081850A patent/NO20081850L/no not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
CA2623995A1 (en) | 2007-04-05 |
KR20080063371A (ko) | 2008-07-03 |
AU2006294442A1 (en) | 2007-04-05 |
EP1929054A4 (en) | 2010-03-31 |
US20070068607A1 (en) | 2007-03-29 |
BRPI0616689A2 (pt) | 2011-06-28 |
WO2007038789A1 (en) | 2007-04-05 |
EP1929054A1 (en) | 2008-06-11 |
CN101300365A (zh) | 2008-11-05 |
EA012791B1 (ru) | 2009-12-30 |
NO20081850L (no) | 2008-06-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s) |
Designated state(s): AM AZ BY KZ KG MD TJ TM RU |