WO2012045595A1 - Mehrphasenstahl, aus einem solchen mehrphasenstahl hergestelltes kaltgewalztes flachprodukt und verfahren zu dessen herstellung - Google Patents
Mehrphasenstahl, aus einem solchen mehrphasenstahl hergestelltes kaltgewalztes flachprodukt und verfahren zu dessen herstellung Download PDFInfo
- Publication number
- WO2012045595A1 WO2012045595A1 PCT/EP2011/066522 EP2011066522W WO2012045595A1 WO 2012045595 A1 WO2012045595 A1 WO 2012045595A1 EP 2011066522 W EP2011066522 W EP 2011066522W WO 2012045595 A1 WO2012045595 A1 WO 2012045595A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- steel
- cold
- content
- temperature
- annealing
- Prior art date
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
- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
-
- 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
- C21D6/00—Heat treatment of ferrous 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
- C21D6/005—Heat treatment of ferrous alloys containing Mn
-
- 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
- C21D8/0205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips of ferrous 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
- 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
-
- 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
-
- 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
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
-
- 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
- C22C38/12—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
- C21D2211/001—Austenite
-
- 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
Definitions
- Multiphase steel, cold rolled flat product made from such a multiphase steel and process for its production
- the invention relates to a multiphase steel, a Kaltwalzflach etc. produced by such a multi-phase steel by cold rolling and a method for its
- the "flat products” according to the invention may be sheets, strips, or pieces thereof
- cold flat products it means flat products produced by cold rolling.
- a multi-phase steel one in this regard
- the known steel contains 0.03-0.25 wt. -% C, by its presence in combination with the other alloying elements tensile strengths of at least
- the known steel may also have up to 0.7% by weight of Si, the presence of which stabilizes the ferritic-martensitic structure of the steel.
- Cr becomes known steel in
- Nb should also have a positive
- Multiphase steel existing, well deformable steel sheet is known from EP 1 589 126 Bl.
- This known steel sheet contains 0.10-0.28 wt. % C, 1.0-2.0 wt% Si, 1.0-3.0 wt% Mn, 0.03-0.10 wt% Nb, up to 0.5 wt%. % Al, up to 0.15% by weight P, up to 0.02% by weight S.
- the steel sheet up to 1.0 wt% Mo, up to 0.5 wt% Ni, up to 0.5 wt% Cu, to 0.003 wt% Ca, up to 0.003 Wt .-% rare earth metals, up to 0.1 wt .-% Ti or up to 0.1 wt .-% V be present.
- the structure of the known steel sheet based on its overall structure, has a retained austenite content of 5 to 20% and at least 50% bainitic ferrite.
- the proportion of polygonal ferrite in the structure of the known steel sheet should be at most 30%.
- the proportion of polygonal ferrite in the known steel sheet bainite to form the matrix phase and Restautenit shares be present, which contribute to the balance of tensile strength and ductility.
- Bainite conversion expires, and eventually, a hold at this temperature will be required over a sufficiently long time.
- the object of the invention was to provide a multi-phase steel with a further increased strength, at the same time a high
- a multiphase steel according to the invention contains (in% by weight) C: 0.14-0.25%, Mn: 1.7-2.5%, Si: 0.2-0.7%,
- AI 0.5-1.5%
- Cr ⁇ 0.1%
- Mo ⁇ 0.05%
- Nb 0.02-0.06%
- S up to 0.01%, especially up to 0.005%
- P up to 0.02%
- N up to 0.01%
- a steel assembled and obtained according to the invention achieves a tensile strength R m of at least
- At least 0.14% by weight of carbon is therefore present in the steel according to the invention in order to stabilize the austenite to room temperature and to prevent complete conversion of the austenite formed in an annealing treatment into martensite, ferrite or bainite or bainitic ferrite.
- over 0.25 wt .-% lying carbon contents have a negative effect on the weldability.
- Mn contributes to the strength and increase the amount and stability of the retained austenite. Too high
- the Mn content of a steel according to the invention is set at 1.7-2.5% by weight.
- Al are present in amounts of 0.5-1.5% by weight and Si in contents of 0.2-0.7% by weight in order to be carried out in the course of the steel processing according to the invention
- This effect can be ensured particularly reliably by increasing the Si content to 0.6% by weight or the Al content to 0.7-1.4% by weight. -% are limited, with Si contents of more than 0.2 wt. % and less than 0.6 wt. -% are set and the AI content between 0.7 wt. -% and 1.4 wt .-% are. With combined presence of Si and Al, optimum properties of the invention result
- Multiphase steel when the sum of its AI and Si contents 1.2-2.0 wt. -% is.
- the Cr content is on less than 0.1% by weight and the Mo content of one
- a steel according to the invention contains Nb in amounts of 0.02-0.06% by weight and optionally one or more of the elements "Ti, V, B" in order to increase the strength of the steel
- Nb, Ti, V and B form very fine precipitates with the C and N present in the steel according to the invention. These precipitates increase strength and yield strength by particle hardening and grain refining.
- the grain refining is also of great advantage for the forming properties of the steel.
- Steel according to the invention are reduced to a minimum.
- up to 0.1% by weight of Ti and up to 0.15% by weight of V can be added to a steel according to the invention in addition to the ever present Nb.
- Multi-phase steel is designated and this condition is to be observed especially if the Ti content is 0.01-0.03 wt .-%.
- Ti content is at least 0.01 wt .-%.
- the ferrite formation can be delayed upon cooling, so that a larger amount of austenite is present in the bainite. This can reduce the amount and stability of the product
- bainitic ferrite is formed instead of normal ferrite, which contributes to increasing the yield strength.
- Microstructure constituents up to 90% by volume of the microstructure
- bainite can be present in the microstructure of a steel according to the invention.
- the retained austenite of a steel according to the invention is preferably enriched in carbon in such a way that it can be prepared according to the method described in the article by A. Zarei Hanzaki et al. in ISIJ Int. Vol. 35, No 3, 1995, pp. 324-331
- Formula [1] calculated C inRA content is more than 0.6 wt .-%.
- the amount of carbon present in the retained austenite substantially affects the TRIP properties and ductility of a steel according to the invention. Accordingly, it is advantageous if the Ci nRA content is as high as possible.
- Retained austenite (retained austenite grade) of more than 6, in particular more than 8, has.
- GRS. % RA x CinRA with% RA: retained austenite content of the multiphase steel in vol.
- CinRA C content of retained austenite calculated according to
- a cold-rolled flat product of the type according to the invention can be produced according to the invention by the fact that in the first working step an inventive
- Multi-phase steel is melted and poured into a precursor.
- This precursor may be a slab or thin slab.
- the precursor is then reheated, if necessary, to a temperature of 1100-1300 ° C, from which the precursor is then converted to a
- Hot strip is hot rolled.
- Hot rolling is according to the invention 820-950 ° C.
- the hot strip obtained is at a 400-750 ° C,
- the hot strip after reeling and before cold rolling can be subjected to annealing. This can
- preparatory annealing set annealing temperatures are typically 400 - 700 ° C.
- the hot strip After coiling, the hot strip at Kaltwalzgraden of 30 - 80%, in particular 50 - 70%, to a
- Kaltflach is then subjected to a heat treatment, in which it is first a continuous annealing at 750 - 900 ° C, in particular 800 - 830 ° C,
- Annealing time over which the cold flat product is annealed in the course of continuous annealing at the annealing temperature, is typically 10 - 300 s, while the duration of the over-aging treatment carried out after annealing can be up to 800 s, with the minimum annealing time generally being 10 s ,
- the annealed cold rolled product may be quenched between annealing and overaging to obtain a return to ferrite and to suppress the formation of perlite.
- the set cooling rate can be at least 5 ° C / s.
- the cold flat product is held at the intermediate temperature over a period sufficient for the formation of the desired microstructure, to which the cold flat product is then further cooled.
- the annealing of the cold flat product may occur in the course of a
- Cold strip after the heat treatment by electrolytic coating or another deposition method to be provided with a protective layer Cold strip after the heat treatment by electrolytic coating or another deposition method to be provided with a protective layer.
- the cold strip obtained can also be subjected to a subsequent rolling at degrees of deformation of up to 10% in order to ensure its dimensional accuracy
- the production of cold-rolled products Kl - K41 included the following steps:
- the cold-laid products Kl - K41 which exist as cold strips or sheets, incidentally
- the set parameters, the selected annealing cycle as well as the properties of the obtained cold strips Kl - K41 are listed in Table 3.
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 Sheet Steel (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/877,782 US9970088B2 (en) | 2010-10-05 | 2011-09-22 | Multi-phase steel, cold-rolled flat product produced from such a multi-phase steel and method for producing it |
JP2013532112A JP6001541B2 (ja) | 2010-10-05 | 2011-09-22 | 多相鋼から作られた冷間圧延平鋼製品およびその製造方法 |
CN201180048744.5A CN103210097B (zh) | 2010-10-05 | 2011-09-22 | 多相钢、由这种多相钢制成的冷轧扁钢制品以及这种产品的制造方法 |
KR1020137011457A KR101848876B1 (ko) | 2010-10-05 | 2011-09-22 | 복합조직강, 복합조직강으로 제조된 냉연 평판 제품 및 제조 방법 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10186553.3 | 2010-10-05 | ||
EP10186553.3A EP2439290B1 (de) | 2010-10-05 | 2010-10-05 | Mehrphasenstahl, aus einem solchen Mehrphasenstahl hergestelltes kaltgewalztes Flachprodukt und Verfahren zu dessen Herstellung |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2012045595A1 true WO2012045595A1 (de) | 2012-04-12 |
Family
ID=43602966
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2011/066522 WO2012045595A1 (de) | 2010-10-05 | 2011-09-22 | Mehrphasenstahl, aus einem solchen mehrphasenstahl hergestelltes kaltgewalztes flachprodukt und verfahren zu dessen herstellung |
Country Status (6)
Country | Link |
---|---|
US (1) | US9970088B2 (de) |
EP (1) | EP2439290B1 (de) |
JP (1) | JP6001541B2 (de) |
KR (1) | KR101848876B1 (de) |
CN (1) | CN103210097B (de) |
WO (1) | WO2012045595A1 (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2952589A1 (en) * | 2014-07-07 | 2016-01-14 | Tata Steel Ijmuiden B.V. | Steel strip having high strength and high formability, the steel strip having a hot dip zinc based coating |
CN104328336B (zh) * | 2014-11-06 | 2016-04-20 | 东北大学 | 一种亚微米奥氏体强韧化的高强韧薄钢板及其制备方法 |
BR112017013229A2 (pt) * | 2015-02-20 | 2018-01-09 | Nippon Steel & Sumitomo Metal Corporation | chapa de aço laminada a quente |
ES2818195T5 (es) | 2015-12-15 | 2023-11-30 | Tata Steel Ijmuiden Bv | Tira de acero galvanizado por inmersión en caliente de alta resistencia |
CN105886908A (zh) * | 2016-07-04 | 2016-08-24 | 湖南华菱湘潭钢铁有限公司 | 一种热轧多相钢板的生产方法 |
CN109563580A (zh) | 2016-08-05 | 2019-04-02 | 新日铁住金株式会社 | 钢板及镀覆钢板 |
CN109790606B (zh) * | 2016-10-19 | 2021-08-06 | 日本制铁株式会社 | 镀覆钢板、热浸镀锌钢板的制造方法及合金化热浸镀锌钢板的制造方法 |
CN108342656A (zh) * | 2018-03-13 | 2018-07-31 | 朱威威 | 一种超高强度汽车结构钢及其生产方法 |
CN110724877B (zh) * | 2019-10-30 | 2021-05-28 | 鞍钢股份有限公司 | 一种汽车用1180MPa级高塑性贝氏体复相钢板及其制备方法 |
CN111733366B (zh) * | 2020-07-08 | 2021-06-22 | 马鞍山钢铁股份有限公司 | 一种含铝冷轧超高强钢及其制备方法、应用 |
SE545209C2 (en) * | 2020-12-23 | 2023-05-23 | Voestalpine Stahl Gmbh | Coiling temperature influenced cold rolled strip or steel |
KR20230004237A (ko) * | 2021-06-29 | 2023-01-06 | 현대제철 주식회사 | 냉연 강판 및 그 제조방법 |
SE545181C2 (en) * | 2021-07-20 | 2023-05-02 | Voestalpine Stahl Gmbh | High strength cold rolled steel strip sheet for automotive use having good withstandability to retained austentite decomposition |
DE102022102418A1 (de) | 2022-02-02 | 2023-08-03 | Salzgitter Flachstahl Gmbh | Hochfestes schmelztauchbeschichtetes Stahlband mit durch Gefügeumwandlung bewirkter Plastizität und Verfahren zu dessen Herstellung |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1367143A1 (de) | 2001-02-27 | 2003-12-03 | Nkk Corporation | Feuerverzinktes stahlblech mit hoher festigkeit und herstellungsverfahren dafür |
EP1431406A1 (de) * | 2002-12-20 | 2004-06-23 | Sidmar N.V. | Stahlzusammensetzung zur Herstellung von mehrphasigen kaltgewalzten Stahlprodukten |
EP1865085A1 (de) * | 2005-03-31 | 2007-12-12 | Kabushiki Kaisha Kobe Seiko Sho | Hochfestes kaltgewalztes stahlblech mit hervorragender beschichtungshaftung, verarbeitbarkeit und wasserstofffversprödungsfestigkeit sowie stahlkomponente für ein fahrzeug |
EP1589126B1 (de) | 2004-04-22 | 2009-03-25 | Kabushiki Kaisha Kobe Seiko Sho | Hochfestes und kaltgewaltzes stahlblech mit hervorragender verformbarkeit und plattiertes stahlblech |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01272720A (ja) | 1988-04-22 | 1989-10-31 | Kobe Steel Ltd | 高延性高強度複合組織鋼板の製造法 |
US6395108B2 (en) * | 1998-07-08 | 2002-05-28 | Recherche Et Developpement Du Groupe Cockerill Sambre | Flat product, such as sheet, made of steel having a high yield strength and exhibiting good ductility and process for manufacturing this product |
JP4414563B2 (ja) | 2000-06-12 | 2010-02-10 | 新日本製鐵株式会社 | 成形性並びに穴拡げ性に優れた高強度鋼板およびその製造方法 |
JP4150277B2 (ja) * | 2003-03-26 | 2008-09-17 | 新日本製鐵株式会社 | プレス成形性に優れた高強度合金化溶融亜鉛めっき鋼板およびその製造方法 |
JP2005325393A (ja) | 2004-05-13 | 2005-11-24 | Jfe Steel Kk | 高強度冷延鋼板およびその製造方法 |
JP4529549B2 (ja) | 2004-06-15 | 2010-08-25 | Jfeスチール株式会社 | 延性と穴広げ加工性に優れた高強度冷延鋼板の製造方法 |
JP5213307B2 (ja) * | 2005-03-31 | 2013-06-19 | Jfeスチール株式会社 | 表面性状に優れる高延性高強度合金化溶融亜鉛めっき鋼板の製造方法 |
JP5250939B2 (ja) * | 2005-03-31 | 2013-07-31 | Jfeスチール株式会社 | 合金化溶融亜鉛めっき鋼板の製造方法 |
KR100711475B1 (ko) * | 2005-12-26 | 2007-04-24 | 주식회사 포스코 | 용융아연도금특성이 우수한 고 가공성 고강도 강판의제조방법 |
DE502006003833D1 (de) * | 2006-10-30 | 2009-07-09 | Thyssenkrupp Steel Ag | Verfahren zum Herstellen von Stahl-Flachprodukten aus einem mit Silizium legierten Mehrphasenstahl |
JP5352963B2 (ja) * | 2007-03-28 | 2013-11-27 | Jfeスチール株式会社 | 形状凍結性に優れた高張力鋼板およびその製造方法 |
CN101613827A (zh) * | 2008-06-27 | 2009-12-30 | 鞍钢股份有限公司 | 一种高性能冷轧相变塑性钢及其制备方法 |
KR101024800B1 (ko) * | 2008-08-28 | 2011-03-24 | 현대제철 주식회사 | 도금성과 가공성이 우수한 초고강도 용융아연도금강판 및 그 제조방법 |
CN101805871B (zh) | 2010-04-09 | 2012-02-29 | 中国石油天然气集团公司 | 一种油气井实体可膨胀套管的制造方法 |
-
2010
- 2010-10-05 EP EP10186553.3A patent/EP2439290B1/de active Active
-
2011
- 2011-09-22 KR KR1020137011457A patent/KR101848876B1/ko active IP Right Grant
- 2011-09-22 US US13/877,782 patent/US9970088B2/en active Active
- 2011-09-22 WO PCT/EP2011/066522 patent/WO2012045595A1/de active Application Filing
- 2011-09-22 CN CN201180048744.5A patent/CN103210097B/zh active Active
- 2011-09-22 JP JP2013532112A patent/JP6001541B2/ja not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1367143A1 (de) | 2001-02-27 | 2003-12-03 | Nkk Corporation | Feuerverzinktes stahlblech mit hoher festigkeit und herstellungsverfahren dafür |
EP1431406A1 (de) * | 2002-12-20 | 2004-06-23 | Sidmar N.V. | Stahlzusammensetzung zur Herstellung von mehrphasigen kaltgewalzten Stahlprodukten |
EP1589126B1 (de) | 2004-04-22 | 2009-03-25 | Kabushiki Kaisha Kobe Seiko Sho | Hochfestes und kaltgewaltzes stahlblech mit hervorragender verformbarkeit und plattiertes stahlblech |
EP1865085A1 (de) * | 2005-03-31 | 2007-12-12 | Kabushiki Kaisha Kobe Seiko Sho | Hochfestes kaltgewalztes stahlblech mit hervorragender beschichtungshaftung, verarbeitbarkeit und wasserstofffversprödungsfestigkeit sowie stahlkomponente für ein fahrzeug |
Non-Patent Citations (5)
Title |
---|
A. ZAREI HANZAKI ET AL., ISIJ INT., vol. 35, no. 3, 1995, pages 324 - 331 |
BLECK W ET AL: "Control of microstructure in TRIP steels by niobium", MATERIALS SCIENCE FORUM, AEDERMANNSFDORF, CH, vol. 426-432, no. 1, 1 January 2003 (2003-01-01), pages 43 - 48, XP009145551, ISSN: 0255-5476 * |
BLECK W ET AL: "Niobium in dual phase and TRIP steels", NIOBIUM SCIENCE & TECHNOLOGY, PROCEEDINGS OF THE INTERNATIONAL SYMPOSIUM NIOBIUM 2001,, 1 January 2001 (2001-01-01), pages 727 - 752, XP009119372 * |
TANG Z Y ET AL: "Effect of Baking Process on Microstructures and Mechanical Properties of Low Silicon TRIP Steel Sheet With Niobium", JOURNAL OF IRON AND STEEL RESEARCH INTERNATIONAL, GANGTIE YANJIU XUEBAO, CN, vol. 17, no. 7, 1 July 2010 (2010-07-01), pages 68 - 74, XP027444731, ISSN: 1006-706X, [retrieved on 20100701] * |
ZHANG M ET AL: "Continuous cooling transformation diagrams and properties of micro-alloyed TRIP steels", MATERIALS SCIENCE AND ENGINEERING A: STRUCTURAL MATERIALS:PROPERTIES, MICROSTRUCTURE & PROCESSING, LAUSANNE, CH, vol. 438-440, 25 November 2006 (2006-11-25), pages 296 - 299, XP025099386, ISSN: 0921-5093, [retrieved on 20061125], DOI: DOI:10.1016/J.MSEA.2006.01.128 * |
Also Published As
Publication number | Publication date |
---|---|
US9970088B2 (en) | 2018-05-15 |
EP2439290B1 (de) | 2013-11-27 |
US20130284321A1 (en) | 2013-10-31 |
KR20130099138A (ko) | 2013-09-05 |
EP2439290A1 (de) | 2012-04-11 |
CN103210097B (zh) | 2015-09-16 |
JP6001541B2 (ja) | 2016-10-05 |
KR101848876B1 (ko) | 2018-04-13 |
JP2013540901A (ja) | 2013-11-07 |
CN103210097A (zh) | 2013-07-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2012045595A1 (de) | Mehrphasenstahl, aus einem solchen mehrphasenstahl hergestelltes kaltgewalztes flachprodukt und verfahren zu dessen herstellung | |
EP2439291B1 (de) | Mehrphasenstahl, aus einem solchen Mehrphasenstahl hergestelltes kaltgewalztes Flachprodukt und Verfahren zu dessen Herstellung | |
EP2383353B1 (de) | Höherfester, Mn-haltiger Stahl, Stahlflachprodukt aus einem solchen Stahl und Verfahren zu dessen Herstellung | |
EP2855717B1 (de) | Stahlflachprodukt und verfahren zur herstellung eines stahlflachprodukts | |
EP2690183B1 (de) | Warmgewalztes Stahlflachprodukt und Verfahren zu seiner Herstellung | |
EP3555337A1 (de) | Warmgewalztes stahlflachprodukt und verfahren zu seiner herstellung | |
DE19936151A1 (de) | Höherfestes Stahlband oder -blech und Verfahren zu seiner Herstellung | |
DE19610675C1 (de) | Mehrphasenstahl und Verfahren zu seiner Herstellung | |
EP2840159B1 (de) | Verfahren zum Herstellen eines Stahlbauteils | |
EP3332046B1 (de) | Hochfester aluminiumhaltiger manganstahl, ein verfahren zur herstellung eines stahlflachprodukts aus diesem stahl und hiernach hergestelltes stahlflachprodukt | |
EP2690184B1 (de) | Kaltgewalztes Stahlflachprodukt und Verfahren zu seiner Herstellung | |
WO2012110165A1 (de) | Aus einem komplexphasenstahl hergestelltes warmgewalztes stahlflachprodukt und verfahren zu dessen herstellung | |
WO2016078643A9 (de) | Hochfester lufthärtender mehrphasenstahl mit hervorragenden verarbeitungseigenschaften und verfahren zur herstellung eines bandes aus diesem stahl | |
WO2014125016A1 (de) | Kaltgewalztes stahlflachprodukt für tiefziehanwendungen und verfahren zu seiner herstellung | |
DE3142782A1 (de) | Verfahren zum herstellen von stahl mit hoher festigkeit und hoher zaehigkeit | |
WO2019121793A1 (de) | Kaltgewalztes stahlflachprodukt mit metallischer korrosionsschutzschicht und verfahren zur herstellung eines solchen | |
EP3512968B1 (de) | Verfahren zur herstellung eines stahlflachprodukts aus einem manganhaltigen stahl und ein derartiges stahlflachprodukt | |
EP3658307B9 (de) | Blechbauteil, hergestellt durch warmumformen eines stahlflachprodukts und verfahren zu dessen herstellung | |
WO2017211952A1 (de) | Verfahren zur herstellung eines kaltgewalzten stahlbandes mit trip-eigenschften aus einem hochfesten, manganhaltigen stahl | |
WO2021213647A1 (de) | Warmgewalztes stahlflachprodukt und verfahren zu seiner herstellung | |
DE102021128327A1 (de) | Kaltgewalztes stahlflachprodukt mit metallischer korrosionsschutzschicht und verfahren zur herstellung eines solchen |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 11761343 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2013532112 Country of ref document: JP Kind code of ref document: A |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
ENP | Entry into the national phase |
Ref document number: 20137011457 Country of ref document: KR Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 13877782 Country of ref document: US |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 11761343 Country of ref document: EP Kind code of ref document: A1 |