EP3730649A4 - Steel material having excellent wear resistance and manufacturing method for same - Google Patents
Steel material having excellent wear resistance and manufacturing method for same Download PDFInfo
- Publication number
- EP3730649A4 EP3730649A4 EP18890993.1A EP18890993A EP3730649A4 EP 3730649 A4 EP3730649 A4 EP 3730649A4 EP 18890993 A EP18890993 A EP 18890993A EP 3730649 A4 EP3730649 A4 EP 3730649A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- manufacturing
- same
- wear resistance
- steel material
- excellent wear
- 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.)
- Pending
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
- 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
- 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
- C21D6/002—Heat treatment of ferrous alloys containing Cr
-
- 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
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/008—Heat treatment of ferrous alloys containing Si
-
- 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
- C21D8/005—Modifying the physical properties by deformation combined with, or followed by, 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
- 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
- C21D8/0221—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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0081—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for slabs; for billets
-
- 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
- C22C38/02—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
- C22C38/20—Ferrous alloys, e.g. steel alloys containing chromium with copper
-
- 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
- C21D2211/004—Dispersions; Precipitations
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 Steel (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020170178865A KR102020381B1 (en) | 2017-12-22 | 2017-12-22 | Steel having excellent wear resistnat properties and method for manufacturing the same |
PCT/KR2018/016384 WO2019125023A1 (en) | 2017-12-22 | 2018-12-20 | Steel material having excellent wear resistance and manufacturing method for same |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3730649A4 true EP3730649A4 (en) | 2020-10-28 |
EP3730649A1 EP3730649A1 (en) | 2020-10-28 |
Family
ID=66994233
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18890993.1A Pending EP3730649A1 (en) | 2017-12-22 | 2018-12-20 | Steel material having excellent wear resistance and manufacturing method for same |
Country Status (5)
Country | Link |
---|---|
US (1) | US20210164068A1 (en) |
EP (1) | EP3730649A1 (en) |
KR (1) | KR102020381B1 (en) |
CN (1) | CN111492082B (en) |
WO (1) | WO2019125023A1 (en) |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120288396A1 (en) * | 2009-12-28 | 2012-11-15 | Posco | Austenite steel material having superior ductility |
US20140261918A1 (en) * | 2013-03-15 | 2014-09-18 | Exxonmobil Research And Engineering Company | Enhanced wear resistant steel and methods of making the same |
EP2799582A1 (en) * | 2011-12-28 | 2014-11-05 | Posco | Wear resistant austenitic steel having superior machinability and ductility method for producing same |
US20140373588A1 (en) * | 2011-12-28 | 2014-12-25 | Posco | Wear resistant austenitic steel having superior machinability and toughness in weld heat affected zones thereof and method for producing same |
KR20160075927A (en) * | 2014-12-19 | 2016-06-30 | 주식회사 포스코 | The steel sheet having excellent strength and toughness at the center of thickness and method for manufacturing the same |
EP3088555A1 (en) * | 2013-12-25 | 2016-11-02 | Posco | Steel for low-temperature service having excellent surface processing quality |
WO2017105134A1 (en) * | 2015-12-18 | 2017-06-22 | 주식회사 포스코 | Wear resistant steel material excellent in toughness and internal quality, and method for manufacturing same |
WO2017111510A1 (en) * | 2015-12-23 | 2017-06-29 | 주식회사 포스코 | Non-magnetic steel material having excellent hot workability and manufacturing method therefor |
US20170349983A1 (en) * | 2016-06-06 | 2017-12-07 | Exxonmobil Research And Engineering Company | High strength cryogenic high manganese steels and methods of making the same |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100320959B1 (en) * | 1996-12-30 | 2002-06-20 | 전선기 | METHOD FOR MANUFACTURING HIGH Mn-STEEL EXCELLENT IN IMPACT TOUGHNESS AT ULTRA LOW TEMPERATURE |
KR20000041265A (en) * | 1998-12-22 | 2000-07-15 | 이구택 | Method for producing high manganese hot rolled metal strip by mini mill process and for preventing surface scab defect and crack defect |
FR2857980B1 (en) * | 2003-07-22 | 2006-01-13 | Usinor | PROCESS FOR MANUFACTURING HIGH-STRENGTH FERRO-CARBON-MANGANESE AUSTENITIC STEEL SHEET, EXCELLENT TENACITY AND COLD SHAPINGABILITY, AND SHEETS THUS PRODUCED |
FR2878257B1 (en) * | 2004-11-24 | 2007-01-12 | Usinor Sa | PROCESS FOR MANUFACTURING AUSTENITIC STEEL SHEET, FER-CARBON-MANGANIZED WITH VERY HIGH RESISTANCE AND ELONGATION CHARACTERISTICS, AND EXCELLENT HOMOGENEITY |
JP5360086B2 (en) * | 2011-02-08 | 2013-12-04 | 新日鐵住金株式会社 | Manufacturing method using continuous casting of nonmagnetic steel |
JP2013249500A (en) * | 2012-05-31 | 2013-12-12 | Nsk Ltd | Rolling bearing |
CN104704136B (en) * | 2012-09-27 | 2016-08-24 | 新日铁住金株式会社 | Hot rolled steel plate and manufacture method thereof |
KR101665801B1 (en) | 2014-12-23 | 2016-10-13 | 주식회사 포스코 | High manganese steel sheet having excellent hot dip aluminium coatability, and method for manufacturing the same |
JP6390573B2 (en) * | 2015-09-29 | 2018-09-19 | Jfeスチール株式会社 | Cold rolled steel sheet and method for producing the same |
KR101917473B1 (en) * | 2016-12-23 | 2018-11-09 | 주식회사 포스코 | Austenitic steel having excellent wear resistance and toughness and method for manufacturing thereof |
-
2017
- 2017-12-22 KR KR1020170178865A patent/KR102020381B1/en active IP Right Grant
-
2018
- 2018-12-20 EP EP18890993.1A patent/EP3730649A1/en active Pending
- 2018-12-20 WO PCT/KR2018/016384 patent/WO2019125023A1/en unknown
- 2018-12-20 CN CN201880083118.1A patent/CN111492082B/en active Active
- 2018-12-20 US US16/954,672 patent/US20210164068A1/en active Pending
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120288396A1 (en) * | 2009-12-28 | 2012-11-15 | Posco | Austenite steel material having superior ductility |
EP2799582A1 (en) * | 2011-12-28 | 2014-11-05 | Posco | Wear resistant austenitic steel having superior machinability and ductility method for producing same |
US20140373588A1 (en) * | 2011-12-28 | 2014-12-25 | Posco | Wear resistant austenitic steel having superior machinability and toughness in weld heat affected zones thereof and method for producing same |
US20140261918A1 (en) * | 2013-03-15 | 2014-09-18 | Exxonmobil Research And Engineering Company | Enhanced wear resistant steel and methods of making the same |
EP3088555A1 (en) * | 2013-12-25 | 2016-11-02 | Posco | Steel for low-temperature service having excellent surface processing quality |
KR20160075927A (en) * | 2014-12-19 | 2016-06-30 | 주식회사 포스코 | The steel sheet having excellent strength and toughness at the center of thickness and method for manufacturing the same |
WO2017105134A1 (en) * | 2015-12-18 | 2017-06-22 | 주식회사 포스코 | Wear resistant steel material excellent in toughness and internal quality, and method for manufacturing same |
WO2017111510A1 (en) * | 2015-12-23 | 2017-06-29 | 주식회사 포스코 | Non-magnetic steel material having excellent hot workability and manufacturing method therefor |
US20170349983A1 (en) * | 2016-06-06 | 2017-12-07 | Exxonmobil Research And Engineering Company | High strength cryogenic high manganese steels and methods of making the same |
Non-Patent Citations (1)
Title |
---|
See also references of WO2019125023A1 * |
Also Published As
Publication number | Publication date |
---|---|
KR20190076795A (en) | 2019-07-02 |
CN111492082A (en) | 2020-08-04 |
WO2019125023A1 (en) | 2019-06-27 |
KR102020381B1 (en) | 2019-09-10 |
EP3730649A1 (en) | 2020-10-28 |
CN111492082B (en) | 2021-10-26 |
US20210164068A1 (en) | 2021-06-03 |
WO2019125023A8 (en) | 2020-02-27 |
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Legal Events
Date | Code | Title | Description |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
17P | Request for examination filed |
Effective date: 20200623 |
|
A4 | Supplementary search report drawn up and despatched |
Effective date: 20200818 |
|
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 |
|
AX | Request for extension of the european patent |
Extension state: BA ME |
|
DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) | ||
RAP3 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: POSCO HOLDINGS INC. |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: POSCO CO., LTD |