DE69529147D1 - Bainitischer stahl gleichbleibender qualität und verfahren zu seiner herstellung - Google Patents
Bainitischer stahl gleichbleibender qualität und verfahren zu seiner herstellungInfo
- Publication number
- DE69529147D1 DE69529147D1 DE69529147T DE69529147T DE69529147D1 DE 69529147 D1 DE69529147 D1 DE 69529147D1 DE 69529147 T DE69529147 T DE 69529147T DE 69529147 T DE69529147 T DE 69529147T DE 69529147 D1 DE69529147 D1 DE 69529147D1
- Authority
- DE
- Germany
- Prior art keywords
- bainitical
- steel
- production
- same quality
- quality
- 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.)
- Expired - Fee Related
Links
Classifications
-
- 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
-
- 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
- C21D6/02—Hardening by precipitation
-
- 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
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
-
- 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
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0226—Hot rolling
-
- 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
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- 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
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
-
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/002—Bainite
-
- 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
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
- C21D8/0263—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment following hot rolling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Heat Treatment Of Steel (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP22492294 | 1994-09-20 | ||
PCT/JP1995/001871 WO1996009419A1 (fr) | 1994-09-20 | 1995-09-20 | Materiau en acier bainitique a faible dispersion de qualite et son procede de production |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69529147D1 true DE69529147D1 (de) | 2003-01-23 |
DE69529147T2 DE69529147T2 (de) | 2003-04-17 |
Family
ID=16821279
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69529147T Expired - Fee Related DE69529147T2 (de) | 1994-09-20 | 1995-09-20 | Bainitischer stahl gleichbleibender qualität und verfahren zu seiner herstellung |
Country Status (5)
Country | Link |
---|---|
US (2) | US5766381A (de) |
EP (1) | EP0730042B1 (de) |
KR (1) | KR100266378B1 (de) |
DE (1) | DE69529147T2 (de) |
WO (1) | WO1996009419A1 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3646512B2 (ja) | 1998-03-23 | 2005-05-11 | Jfeスチール株式会社 | 材質ばらつきが少なくかつ溶接部低温靱性に優れた高強度高靱性鋼材およびその製造方法 |
AU749066B2 (en) * | 1998-06-17 | 2002-06-20 | Kawasaki Steel Corporation | Weatherable steel material |
WO2000075388A1 (fr) * | 1999-06-04 | 2000-12-14 | Kawasaki Steel Corporation | Matiere a base d'acier a resistance elevee a la traction particulierement adaptee au soudage avec une source de chaleur a haute densite d'energie et structure soudee associee |
US6451134B1 (en) | 1999-06-24 | 2002-09-17 | Kawasaki Steel Corporation | 590MPa class heavy gauge H-shaped steel having excellent toughness and method of producing the same |
JP3873540B2 (ja) * | 1999-09-07 | 2007-01-24 | Jfeスチール株式会社 | 高生産性・高強度圧延h形鋼の製造方法 |
US6376375B1 (en) * | 2000-01-13 | 2002-04-23 | Delphi Technologies, Inc. | Process for preventing the formation of a copper precipitate in a copper-containing metallization on a die |
US6632301B2 (en) | 2000-12-01 | 2003-10-14 | Benton Graphics, Inc. | Method and apparatus for bainite blades |
KR100526123B1 (ko) * | 2001-04-10 | 2005-11-08 | 주식회사 포스코 | 기계적 성질의 편차가 적은 냉간압조용 강 선재의 제조방법 |
KR100660229B1 (ko) * | 2005-12-26 | 2006-12-21 | 주식회사 포스코 | 두께 중심부의 강도와 인성이 우수하고 재질편차가 적은용접구조용 극후물 강판 및 그 제조방법 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5458615A (en) * | 1977-10-18 | 1979-05-11 | Kobe Steel Ltd | Niobium-containing line pipe steel with superior weldability |
JPS54132421A (en) * | 1978-04-05 | 1979-10-15 | Nippon Steel Corp | Manufacture of high toughness bainite high tensile steel plate with superior weldability |
JPS58733B2 (ja) * | 1978-04-11 | 1983-01-07 | 川崎製鉄株式会社 | 加工用非調質高張力熱延鋼帯の製造方法 |
JPS55100924A (en) * | 1979-01-25 | 1980-08-01 | Nippon Steel Corp | Production of high toughness bainite high tension steel plate having excellent weldability |
JPS5763628A (en) * | 1980-10-03 | 1982-04-17 | Daido Steel Co Ltd | Production of forge hardened parts |
JPS5877528A (ja) * | 1981-10-31 | 1983-05-10 | Nippon Steel Corp | 低温靭性の優れた高張力鋼の製造法 |
JPS58151425A (ja) * | 1982-02-27 | 1983-09-08 | Nippon Kokan Kk <Nkk> | 低温靭性の優れた高耐食性クラツド鋼管の製造方法 |
JPS60245722A (ja) * | 1984-05-21 | 1985-12-05 | Kawasaki Steel Corp | 高張力線材の製造方法 |
JPS62130215A (ja) * | 1985-12-03 | 1987-06-12 | Kawasaki Steel Corp | Cu析出型高じん性鋼板の製造方法 |
JPH0615689B2 (ja) * | 1987-05-19 | 1994-03-02 | 新日本製鐵株式会社 | 低降状比高張力鋼の製造方法 |
JPS6455334A (en) * | 1987-08-25 | 1989-03-02 | Nippon Kokan Kk | Production of high-tensile steel having low surface hardness |
JPH07116504B2 (ja) * | 1990-12-25 | 1995-12-13 | 株式会社神戸製鋼所 | 板厚方向の硬度差が小さい板厚50mm以上の50キロ級低降伏比厚肉高張力鋼板の製造方法 |
JPH05331538A (ja) * | 1992-06-01 | 1993-12-14 | Kobe Steel Ltd | 板厚中央部の靭性の優れた厚肉高靭性高張力鋼板の製 造方法 |
JP2776174B2 (ja) * | 1992-09-11 | 1998-07-16 | 住友金属工業株式会社 | 高張力・高靱性微細ベイナイト鋼の製造法 |
-
1995
- 1995-09-20 DE DE69529147T patent/DE69529147T2/de not_active Expired - Fee Related
- 1995-09-20 KR KR1019960702668A patent/KR100266378B1/ko not_active IP Right Cessation
- 1995-09-20 EP EP95932170A patent/EP0730042B1/de not_active Expired - Lifetime
- 1995-09-20 US US08/646,373 patent/US5766381A/en not_active Expired - Fee Related
- 1995-09-20 WO PCT/JP1995/001871 patent/WO1996009419A1/ja active IP Right Grant
-
1997
- 1997-11-28 US US08/979,625 patent/US5900076A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0730042B1 (de) | 2002-12-11 |
US5766381A (en) | 1998-06-16 |
EP0730042A1 (de) | 1996-09-04 |
DE69529147T2 (de) | 2003-04-17 |
US5900076A (en) | 1999-05-04 |
KR100266378B1 (ko) | 2000-09-15 |
KR960705953A (ko) | 1996-11-08 |
WO1996009419A1 (fr) | 1996-03-28 |
EP0730042A4 (de) | 1997-03-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee | ||
8370 | Indication of lapse of patent is to be deleted | ||
8339 | Ceased/non-payment of the annual fee |