HRP20090024T3 - Hot rolled dual-phase steel strip having features of a cold rolled strip - Google Patents
Hot rolled dual-phase steel strip having features of a cold rolled stripInfo
- Publication number
- HRP20090024T3 HRP20090024T3 HR20090024T HRP20090024T HRP20090024T3 HR P20090024 T3 HRP20090024 T3 HR P20090024T3 HR 20090024 T HR20090024 T HR 20090024T HR P20090024 T HRP20090024 T HR P20090024T HR P20090024 T3 HRP20090024 T3 HR P20090024T3
- Authority
- HR
- Croatia
- Prior art keywords
- strip
- phase steel
- hot rolled
- steel strip
- cold rolled
- Prior art date
Links
- 229910000885 Dual-phase steel Inorganic materials 0.000 title abstract 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 229910052799 carbon Inorganic materials 0.000 abstract 1
- 229910052804 chromium Inorganic materials 0.000 abstract 1
- 239000011651 chromium Substances 0.000 abstract 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
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
- 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
- C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
- C21D8/0421—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the working steps
- C21D8/0426—Hot rolling
-
- 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
- C21D1/185—Hardening; Quenching with or without subsequent tempering from an intercritical temperature
-
- 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
- C21D8/021—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips involving a particular fabrication or treatment of ingot or slab
- C21D8/0215—Rapid solidification; Thin strip casting
-
- 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
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/005—Ferrite
-
- 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
- C21D2211/008—Martensite
Abstract
A hot rolled dual phase steel strip with thickness ¥ 1.0 mm can be used for producing cold pressed and cut pieces, in particular for the car manufacturing industry, by replacing with the same mechanical performances the cold rolled dual phase steel strip usually employed for these purposes. Said hot rolled strip in peritectic steel has a carbon percentage between 0.06 and 0.15 % with chemical analysis without any important addition of chromium and phosphorous, with a constant geometrical profile on the whole length and tolerances, particularly with respect to the thickness, which are typical of a cold rolled strip with parallelism < 0.05 mm, crown between strips centre and side edges < 0.07 mm, while showing a structure with a microcrystalline fineness better than grade 10 of the ASTM 112 standard in a percentage higher than 80% of the whole structure.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04425878A EP1662011B1 (en) | 2004-11-24 | 2004-11-24 | Hot rolled dual-phase steel strip having features of a cold rolled strip |
Publications (1)
Publication Number | Publication Date |
---|---|
HRP20090024T3 true HRP20090024T3 (en) | 2009-02-28 |
Family
ID=34932907
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HR20090024T HRP20090024T3 (en) | 2004-11-24 | 2009-01-16 | Hot rolled dual-phase steel strip having features of a cold rolled strip |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP1662011B1 (en) |
AT (1) | ATE419399T1 (en) |
DE (1) | DE602004018791D1 (en) |
DK (1) | DK1662011T3 (en) |
ES (1) | ES2316950T3 (en) |
HR (1) | HRP20090024T3 (en) |
PL (1) | PL1662011T3 (en) |
PT (1) | PT1662011E (en) |
SI (1) | SI1662011T1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITMI20120066A1 (en) * | 2012-01-23 | 2013-07-24 | Arvedi Steel Engineering S P A | PROCEDURE AND PLANT FOR THE PRODUCTION OF A HOT-LAMINATED TWO-PHASE STEEL TAPE |
AT525283B1 (en) * | 2021-10-29 | 2023-02-15 | Primetals Technologies Austria GmbH | Method for producing a dual-phase steel strip in a combined casting and rolling plant, a dual-phase steel strip produced using the method and a combined casting and rolling facility |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE430902B (en) | 1979-05-09 | 1983-12-19 | Svenskt Stal Ab | SET TO HEAT TREAT A STALBAND WITH 0.05 - 0.20% CARBON CONTENT AND LOW CONTENTS |
JPS57137426A (en) | 1981-02-20 | 1982-08-25 | Kawasaki Steel Corp | Production of low yield ratio, high tensile hot rolled steel plate by mixed structure |
JPS57137452A (en) | 1981-02-20 | 1982-08-25 | Kawasaki Steel Corp | Hot rolled high tensile steel plate having composite structure and its manufacture |
DE3440752A1 (en) | 1984-11-08 | 1986-05-22 | Thyssen Stahl AG, 4100 Duisburg | METHOD FOR PRODUCING HOT TAPE WITH A TWO-PHASE TEXTURE |
IT1224318B (en) | 1988-05-26 | 1990-10-04 | Mannesmann Ag | PROCESS AND PLANT FOR THE CONTINUOUS PRODUCTION OF STEEL BELT |
JPH04235219A (en) * | 1991-01-08 | 1992-08-24 | Nippon Steel Corp | Production of hot rolled plate of dual-phase high tensile strength steel extremely excellent in fatigue characteristic |
EP0804300B1 (en) * | 1994-10-20 | 1999-05-06 | MANNESMANN Aktiengesellschaft | Process and device for producing a steel strip with the properties of a cold-rolled product |
JP3538990B2 (en) * | 1995-08-31 | 2004-06-14 | Jfeスチール株式会社 | High-strength hot-rolled steel sheet excellent in impact resistance and method for producing the same |
JP3713804B2 (en) * | 1996-05-02 | 2005-11-09 | Jfeスチール株式会社 | Thin hot-rolled steel sheet with excellent formability |
NL1003293C2 (en) * | 1996-06-07 | 1997-12-10 | Hoogovens Staal Bv | Method and device for manufacturing a steel strip. |
JP3719007B2 (en) * | 1998-08-12 | 2005-11-24 | Jfeスチール株式会社 | Manufacturing method of hot-rolled steel strip with two-phase structure |
US6488790B1 (en) * | 2001-01-22 | 2002-12-03 | International Steel Group Inc. | Method of making a high-strength low-alloy hot rolled steel |
-
2004
- 2004-11-24 PL PL04425878T patent/PL1662011T3/en unknown
- 2004-11-24 DE DE602004018791T patent/DE602004018791D1/en not_active Expired - Fee Related
- 2004-11-24 AT AT04425878T patent/ATE419399T1/en not_active IP Right Cessation
- 2004-11-24 SI SI200430998T patent/SI1662011T1/en unknown
- 2004-11-24 DK DK04425878T patent/DK1662011T3/en active
- 2004-11-24 EP EP04425878A patent/EP1662011B1/en not_active Revoked
- 2004-11-24 ES ES04425878T patent/ES2316950T3/en active Active
- 2004-11-24 PT PT04425878T patent/PT1662011E/en unknown
-
2009
- 2009-01-16 HR HR20090024T patent/HRP20090024T3/en unknown
Also Published As
Publication number | Publication date |
---|---|
DE602004018791D1 (en) | 2009-02-12 |
PT1662011E (en) | 2009-02-03 |
ES2316950T3 (en) | 2009-04-16 |
EP1662011A1 (en) | 2006-05-31 |
SI1662011T1 (en) | 2009-04-30 |
EP1662011B1 (en) | 2008-12-31 |
PL1662011T3 (en) | 2009-06-30 |
ATE419399T1 (en) | 2009-01-15 |
DK1662011T3 (en) | 2009-04-06 |
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