EP3556892A4 - Low alloy steel sheet having excellent strength and ductility - Google Patents
Low alloy steel sheet having excellent strength and ductility Download PDFInfo
- Publication number
- EP3556892A4 EP3556892A4 EP17881659.1A EP17881659A EP3556892A4 EP 3556892 A4 EP3556892 A4 EP 3556892A4 EP 17881659 A EP17881659 A EP 17881659A EP 3556892 A4 EP3556892 A4 EP 3556892A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- ductility
- steel sheet
- alloy steel
- excellent strength
- low alloy
- 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.)
- Withdrawn
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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/20—Ferrous alloys, e.g. steel alloys containing chromium with copper
-
- 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
- C22C38/008—Ferrous alloys, e.g. steel alloys containing tin
-
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
-
- 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
- C22C38/34—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of 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
- C22C38/18—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
- 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
-
- 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
-
- 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of 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
- C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
-
- 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
- C21D2211/005—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
- C21D8/0221—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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Sheet Steel (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020160169693A KR101903174B1 (en) | 2016-12-13 | 2016-12-13 | Low alloy steel sheet with excellent strength and ductility |
PCT/KR2017/005381 WO2018110779A1 (en) | 2016-12-13 | 2017-05-24 | Low alloy steel sheet having excellent strength and ductility |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3556892A1 EP3556892A1 (en) | 2019-10-23 |
EP3556892A4 true EP3556892A4 (en) | 2019-10-23 |
Family
ID=62559145
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17881659.1A Withdrawn EP3556892A4 (en) | 2016-12-13 | 2017-05-24 | Low alloy steel sheet having excellent strength and ductility |
Country Status (6)
Country | Link |
---|---|
US (1) | US20200080178A1 (en) |
EP (1) | EP3556892A4 (en) |
JP (1) | JP2020509175A (en) |
KR (1) | KR101903174B1 (en) |
CN (1) | CN110062814A (en) |
WO (1) | WO2018110779A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101952818B1 (en) * | 2017-09-25 | 2019-02-28 | 주식회사포스코 | Low alloy steel sheet with high strength and ductility and method of manufacturing same |
CN110396691B (en) * | 2019-08-27 | 2021-08-24 | 贵州大学 | 6061 aluminum alloy surface treatment method |
KR102326684B1 (en) * | 2019-09-17 | 2021-11-17 | 주식회사 포스코 | Chromium steel sheet having excellent creep strength and high temperature ductility and method of manufacturing the same |
KR102272785B1 (en) * | 2019-10-29 | 2021-07-05 | 주식회사 포스코 | Austenitic stainless steel with imporoved yield ratio and method for manufacturing the same |
KR102385472B1 (en) * | 2020-04-22 | 2022-04-13 | 주식회사 포스코 | High-strength, high-formability, low cost austenitic stainless steel and manufacturing method thereof |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH032357A (en) * | 1989-05-31 | 1991-01-08 | Nippon Metal Ind Co Ltd | Nickel-economized type austenitic stainless steel |
JP2009030128A (en) * | 2007-07-30 | 2009-02-12 | Nippon Steel & Sumikin Stainless Steel Corp | Austenitic stainless steel sheet for structural member having excellent impact absorbing property |
JP2011202237A (en) * | 2010-03-26 | 2011-10-13 | Nippon Steel & Sumikin Stainless Steel Corp | High strength and high ductility austenitic stainless steel sheet for structural member, and method for producing the same |
JP2012126992A (en) * | 2010-11-25 | 2012-07-05 | Jfe Steel Corp | Austenite-ferrite duplex stainless steel for fuel tank |
WO2013133259A1 (en) * | 2012-03-09 | 2013-09-12 | 新日鐵住金ステンレス株式会社 | Ferrite-austenite 2-phase stainless steel plate having low in-plane anisotropy and method for producing same |
WO2016027009A1 (en) * | 2014-08-21 | 2016-02-25 | Outokumpu Oyj | High strength austenitic stainless steel and production method thereof |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS505968B1 (en) * | 1970-04-30 | 1975-03-10 | ||
FR2766843B1 (en) * | 1997-07-29 | 1999-09-03 | Usinor | AUSTENITIC STAINLESS STEEL WITH A VERY LOW NICKEL CONTENT |
DE102005024029B3 (en) | 2005-05-23 | 2007-01-04 | Technische Universität Bergakademie Freiberg | Austenitic lightweight steel and its use |
DE102005030413C5 (en) | 2005-06-28 | 2009-12-10 | Technische Universität Bergakademie Freiberg | High-strength austenitic-martensitic lightweight steel and its use |
US7682471B2 (en) * | 2006-07-10 | 2010-03-23 | Trw Automotive U.S. Llc | Austenitic iron-based alloy |
JP4976985B2 (en) * | 2007-11-14 | 2012-07-18 | 株式会社神戸製鋼所 | Manufacturing method of wire rod and steel bar with excellent low-temperature torsional characteristics |
JP2011219809A (en) * | 2010-04-08 | 2011-11-04 | Honda Motor Co Ltd | High strength steel sheet |
IT1403129B1 (en) | 2010-12-07 | 2013-10-04 | Ct Sviluppo Materiali Spa | PROCEDURE FOR THE PRODUCTION OF HIGH MANGANESE STEEL WITH MECHANICAL RESISTANCE AND HIGH FORMABILITY, AND STEEL SO OBTAINABLE. |
KR20120063793A (en) * | 2010-12-08 | 2012-06-18 | 주식회사 포스코 | Ferrite stainless-steel with good workability |
JP5440672B2 (en) * | 2011-09-16 | 2014-03-12 | Jfeスチール株式会社 | High-strength steel sheet with excellent workability and method for producing the same |
ES2885758T3 (en) * | 2012-01-20 | 2021-12-15 | Solu Stainless Oy | Procedure for the manufacture of an austenitic stainless steel product |
ITRM20120647A1 (en) * | 2012-12-19 | 2014-06-20 | Ct Sviluppo Materiali Spa | AUSTENITIC STAINLESS STEEL WITH HIGH PLASTICITY INDUCED BY GEMINATION, PROCEDURE FOR ITS PRODUCTION, AND ITS USE IN THE MECHANICAL INDUSTRY. |
CN103205655A (en) * | 2013-03-21 | 2013-07-17 | 宝钢不锈钢有限公司 | Sn-containing austenitic stainless steel and manufacturing method thereof |
CN103966528A (en) * | 2014-04-29 | 2014-08-06 | 宝钢不锈钢有限公司 | Austenitic stainless steel containing Sn and manufacturing method thereof |
KR101668533B1 (en) * | 2014-12-26 | 2016-10-24 | 주식회사 포스코 | Ferritic stainless steel with high surface quality |
-
2016
- 2016-12-13 KR KR1020160169693A patent/KR101903174B1/en active IP Right Grant
-
2017
- 2017-05-24 EP EP17881659.1A patent/EP3556892A4/en not_active Withdrawn
- 2017-05-24 JP JP2019531716A patent/JP2020509175A/en active Pending
- 2017-05-24 US US16/468,875 patent/US20200080178A1/en not_active Abandoned
- 2017-05-24 WO PCT/KR2017/005381 patent/WO2018110779A1/en unknown
- 2017-05-24 CN CN201780076526.XA patent/CN110062814A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH032357A (en) * | 1989-05-31 | 1991-01-08 | Nippon Metal Ind Co Ltd | Nickel-economized type austenitic stainless steel |
JP2009030128A (en) * | 2007-07-30 | 2009-02-12 | Nippon Steel & Sumikin Stainless Steel Corp | Austenitic stainless steel sheet for structural member having excellent impact absorbing property |
JP2011202237A (en) * | 2010-03-26 | 2011-10-13 | Nippon Steel & Sumikin Stainless Steel Corp | High strength and high ductility austenitic stainless steel sheet for structural member, and method for producing the same |
JP2012126992A (en) * | 2010-11-25 | 2012-07-05 | Jfe Steel Corp | Austenite-ferrite duplex stainless steel for fuel tank |
WO2013133259A1 (en) * | 2012-03-09 | 2013-09-12 | 新日鐵住金ステンレス株式会社 | Ferrite-austenite 2-phase stainless steel plate having low in-plane anisotropy and method for producing same |
WO2016027009A1 (en) * | 2014-08-21 | 2016-02-25 | Outokumpu Oyj | High strength austenitic stainless steel and production method thereof |
Non-Patent Citations (1)
Title |
---|
See also references of WO2018110779A1 * |
Also Published As
Publication number | Publication date |
---|---|
JP2020509175A (en) | 2020-03-26 |
KR20180068088A (en) | 2018-06-21 |
KR101903174B1 (en) | 2018-10-01 |
CN110062814A (en) | 2019-07-26 |
EP3556892A1 (en) | 2019-10-23 |
WO2018110779A1 (en) | 2018-06-21 |
US20200080178A1 (en) | 2020-03-12 |
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Legal Events
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STAA | Information on the status of an ep patent application or granted ep patent |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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17P | Request for examination filed |
Effective date: 20190612 |
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A4 | Supplementary search report drawn up and despatched |
Effective date: 20190819 |
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AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
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AX | Request for extension of the european patent |
Extension state: BA ME |
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DAV | Request for validation of the european patent (deleted) | ||
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STAA | Information on the status of an ep patent application or granted ep patent |
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17Q | First examination report despatched |
Effective date: 20220207 |
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18D | Application deemed to be withdrawn |
Effective date: 20220618 |