IN2014DN07404A - - Google Patents
Info
- Publication number
- IN2014DN07404A IN2014DN07404A IN7404DEN2014A IN2014DN07404A IN 2014DN07404 A IN2014DN07404 A IN 2014DN07404A IN 7404DEN2014 A IN7404DEN2014 A IN 7404DEN2014A IN 2014DN07404 A IN2014DN07404 A IN 2014DN07404A
- Authority
- IN
- India
- Prior art keywords
- retained
- area
- phase
- average grain
- grain diameter
- 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
- 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
- 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
- C21D8/0221—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
- 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
- C21D8/0236—Cold 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
- 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
- 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
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
-
- 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
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
-
- 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
- C22C38/04—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
- C22C38/06—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
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
-
- 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
- C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
-
- 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
- C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of 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
- C21D2211/001—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
-
- 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
- C21D8/0278—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips involving a particular surface treatment
- C21D8/0284—Application of a separating or insulating coating
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12771—Transition metal-base component
- Y10T428/12861—Group VIII or IB metal-base component
- Y10T428/12951—Fe-base component
- Y10T428/12972—Containing 0.01-1.7% carbon [i.e., steel]
Abstract
high-strength cold-rolled steel sheet having excellent ductility and stretch flangeability includes: a chemical composition consisting, in mass%, C: 0.06 to 0.3'36, Si: 0.4 to 2.5%, Mn: 0.6 to 3.5%, P: at most 0.1%, S: at most 0.05%, Ti: 0 to 0.08%, Nb: 0 to 0.04%, a total content of Ti and Nb: 0 to 0.10%, sol.Al: 0 to 2.0%, Cr: 0 to l%, Mo: 0 to 0.3%, V: 0 to 0.3%, B: 0 to 0.005%, Ca: 0 to 0.003%, REM: 0 to 0.003% and the remainder of Fe and impurities; a microstructure having a main phase of ferrite which comprising at least 40 area%, and a second phase of a low-temperature transformation phase consisting either or both of martensite and bainite which comprising at least 10 area% in total and retained austenite (y) at least which comprising 3 area%, and an average grain diameter of ferrite having a tilt angle of at least 15° is at most 5.0 µm, an average grain diameter of the low-temperature transformation-produced phase is at most 2.0 µm, an average grain diameter of lump-like retained y having an aspect ratio of less than 5 is at most 1.5 µm, and an area fraction of the lump-like retained y relative to all the retained y is at least 50%.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012036475 | 2012-02-22 | ||
PCT/JP2013/053313 WO2013125400A1 (en) | 2012-02-22 | 2013-02-13 | Cold-rolled steel sheet and manufacturing method for same |
Publications (1)
Publication Number | Publication Date |
---|---|
IN2014DN07404A true IN2014DN07404A (en) | 2015-04-24 |
Family
ID=49005587
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IN7404DEN2014 IN2014DN07404A (en) | 2012-02-22 | 2013-02-13 |
Country Status (12)
Country | Link |
---|---|
US (2) | US9580767B2 (en) |
EP (1) | EP2818569B1 (en) |
JP (1) | JP5590244B2 (en) |
KR (1) | KR101609969B1 (en) |
CN (1) | CN104245988B (en) |
BR (1) | BR112014020567B1 (en) |
ES (1) | ES2673111T3 (en) |
IN (1) | IN2014DN07404A (en) |
MX (1) | MX356409B (en) |
PL (1) | PL2818569T3 (en) |
TW (1) | TWI515305B (en) |
WO (1) | WO2013125400A1 (en) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
MX2016008810A (en) * | 2014-01-06 | 2016-09-08 | Nippon Steel & Sumitomo Metal Corp | Steel material and process for producing same. |
JP6098733B2 (en) | 2014-01-06 | 2017-03-22 | 新日鐵住金株式会社 | Manufacturing method of hot formed member |
JP6256184B2 (en) * | 2014-05-12 | 2018-01-10 | Jfeスチール株式会社 | Manufacturing method of high-strength steel sheet |
JP6379716B2 (en) * | 2014-06-23 | 2018-08-29 | 新日鐵住金株式会社 | Cold-rolled steel sheet and manufacturing method thereof |
KR101988148B1 (en) * | 2015-02-24 | 2019-06-12 | 닛폰세이테츠 가부시키가이샤 | Cold rolled steel sheet and manufacturing method thereof |
KR101993542B1 (en) * | 2015-03-06 | 2019-09-30 | 제이에프이 스틸 가부시키가이샤 | High-strength electric resistance welded steel pipe and method for producing the same |
SE539519C2 (en) | 2015-12-21 | 2017-10-03 | High strength galvannealed steel sheet and method of producing such steel sheet | |
JP7094665B2 (en) * | 2017-06-13 | 2022-07-04 | キヤノン株式会社 | Recording device and recording control method |
KR20200123473A (en) * | 2018-03-30 | 2020-10-29 | 제이에프이 스틸 가부시키가이샤 | High-strength steel sheet and its manufacturing method |
EP3778975A4 (en) * | 2018-03-30 | 2021-02-17 | JFE Steel Corporation | High-strength steel sheet and production method thereof |
WO2019188642A1 (en) * | 2018-03-30 | 2019-10-03 | Jfeスチール株式会社 | High-strength steel sheet and method for manufacturing same |
CN108588565B (en) * | 2018-06-14 | 2021-01-05 | 北京工业大学 | Aluminum-containing high-boron high-speed steel roller material and manufacturing method thereof |
US20220145415A1 (en) * | 2019-04-08 | 2022-05-12 | Nippon Steel Corporation | Cold rolled steel sheet and method for producing same |
JP7425359B2 (en) * | 2020-04-07 | 2024-01-31 | 日本製鉄株式会社 | steel plate |
MX2022016037A (en) * | 2020-07-20 | 2023-02-02 | Nippon Steel Corp | Steel sheet and method for producing same. |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3749615B2 (en) * | 1998-03-31 | 2006-03-01 | 新日本製鐵株式会社 | High-strength cold-rolled steel sheet for work with excellent fatigue characteristics and method for producing the same |
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 |
JP4062118B2 (en) * | 2002-03-22 | 2008-03-19 | Jfeスチール株式会社 | High-tensile hot-rolled steel sheet with excellent stretch characteristics and stretch flange characteristics and manufacturing method thereof |
CN100434557C (en) * | 2004-02-10 | 2008-11-19 | 鞍山钢铁集团公司 | Low-carbon high-strength hot rolling wire with compound reinforced ultrafine grains and its production process |
JP2005325393A (en) | 2004-05-13 | 2005-11-24 | Jfe Steel Kk | High strength cold rolled steel sheet and its manufacturing method |
CN101238233B (en) | 2005-08-03 | 2012-11-28 | 住友金属工业株式会社 | Hot-rolled steel sheet and cold-rolled steel sheet and manufacturing method thereof |
JP5095958B2 (en) * | 2006-06-01 | 2012-12-12 | 本田技研工業株式会社 | High strength steel plate and manufacturing method thereof |
JP5320681B2 (en) | 2007-03-19 | 2013-10-23 | Jfeスチール株式会社 | High strength cold rolled steel sheet and method for producing high strength cold rolled steel sheet |
JP5151246B2 (en) * | 2007-05-24 | 2013-02-27 | Jfeスチール株式会社 | High-strength cold-rolled steel sheet and high-strength hot-dip galvanized steel sheet excellent in deep drawability and strength-ductility balance and manufacturing method thereof |
JP4894863B2 (en) * | 2008-02-08 | 2012-03-14 | Jfeスチール株式会社 | High-strength hot-dip galvanized steel sheet excellent in workability and manufacturing method thereof |
JP5463685B2 (en) * | 2009-02-25 | 2014-04-09 | Jfeスチール株式会社 | High-strength cold-rolled steel sheet excellent in workability and impact resistance and method for producing the same |
JP4737319B2 (en) * | 2009-06-17 | 2011-07-27 | Jfeスチール株式会社 | High-strength galvannealed steel sheet with excellent workability and fatigue resistance and method for producing the same |
PL2524972T3 (en) * | 2010-01-13 | 2017-06-30 | Nippon Steel & Sumitomo Metal Corporation | Method for manufacturing high strength steel plate having excellent formability |
JP5549238B2 (en) | 2010-01-22 | 2014-07-16 | 新日鐵住金株式会社 | Cold rolled steel sheet and method for producing the same |
JP5488129B2 (en) * | 2010-03-31 | 2014-05-14 | 新日鐵住金株式会社 | Cold rolled steel sheet and method for producing the same |
MX2013001456A (en) | 2010-08-12 | 2013-04-29 | Jfe Steel Corp | High-strength cold-rolled steel sheet having excellent workability and impact resistance, and method for manufacturing same. |
-
2013
- 2013-02-13 CN CN201380021320.9A patent/CN104245988B/en not_active Expired - Fee Related
- 2013-02-13 EP EP13752393.2A patent/EP2818569B1/en not_active Not-in-force
- 2013-02-13 WO PCT/JP2013/053313 patent/WO2013125400A1/en active Application Filing
- 2013-02-13 PL PL13752393T patent/PL2818569T3/en unknown
- 2013-02-13 IN IN7404DEN2014 patent/IN2014DN07404A/en unknown
- 2013-02-13 BR BR112014020567-1A patent/BR112014020567B1/en not_active IP Right Cessation
- 2013-02-13 MX MX2014009994A patent/MX356409B/en active IP Right Grant
- 2013-02-13 JP JP2013528456A patent/JP5590244B2/en active Active
- 2013-02-13 KR KR1020147026111A patent/KR101609969B1/en active IP Right Grant
- 2013-02-13 ES ES13752393.2T patent/ES2673111T3/en active Active
- 2013-02-13 US US14/379,829 patent/US9580767B2/en active Active
- 2013-02-21 TW TW102106032A patent/TWI515305B/en not_active IP Right Cessation
-
2017
- 2017-01-17 US US15/407,347 patent/US10407749B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPWO2013125400A1 (en) | 2015-07-30 |
MX356409B (en) | 2018-05-24 |
WO2013125400A1 (en) | 2013-08-29 |
JP5590244B2 (en) | 2014-09-17 |
TW201400626A (en) | 2014-01-01 |
KR20140129209A (en) | 2014-11-06 |
ES2673111T3 (en) | 2018-06-19 |
KR101609969B1 (en) | 2016-04-06 |
EP2818569A1 (en) | 2014-12-31 |
EP2818569A4 (en) | 2015-12-30 |
US10407749B2 (en) | 2019-09-10 |
PL2818569T3 (en) | 2018-09-28 |
TWI515305B (en) | 2016-01-01 |
CN104245988A (en) | 2014-12-24 |
MX2014009994A (en) | 2015-02-20 |
BR112014020567B1 (en) | 2019-03-26 |
EP2818569B1 (en) | 2018-05-02 |
US20170121788A1 (en) | 2017-05-04 |
CN104245988B (en) | 2016-07-06 |
US20150037610A1 (en) | 2015-02-05 |
US9580767B2 (en) | 2017-02-28 |
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