PH12020550068A1 - High-mn steel and production method therefor - Google Patents
High-mn steel and production method thereforInfo
- Publication number
- PH12020550068A1 PH12020550068A1 PH12020550068A PH12020550068A PH12020550068A1 PH 12020550068 A1 PH12020550068 A1 PH 12020550068A1 PH 12020550068 A PH12020550068 A PH 12020550068A PH 12020550068 A PH12020550068 A PH 12020550068A PH 12020550068 A1 PH12020550068 A1 PH 12020550068A1
- Authority
- PH
- Philippines
- Prior art keywords
- pcnt
- less
- steel
- production method
- method therefor
- 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
- C22C38/02—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
- C22C38/18—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
- 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
- C21D8/0221—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
- C21D8/0247—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
- C22C38/001—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
- C22C38/04—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
- C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium with vanadium
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Heat Treatment Of Steel (AREA)
Abstract
Provided is a high-Mn steel that has superior cryogenic toughness and that allows a reduction in material cost and manufacturing cost. This high-Mn steel has a component composition containing, in mass pcnt , 0.100-0.700 pcnt of C, 0.05-1.00 pcnt of Si, 20.0-35.0 pcnt of Mn, 0.030 pcnt or less of P, 0.0070 pcnt or less of S, 0.01-0.07 pcnt of Al, 0.5-7.0 pcnt of Cr, 0.0050-0.0500 pcnt of N, 0.0050 pcnt or less of O, 0.0050 pcnt or less of Ti, and 0.0050 pcnt or less of Nb, the remaining portion being Fe and incidental impurities, and has a microstructure including austenite as a matric phase, wherein the Mn segregation portion of the microstructure has a Mn concentration of 16-38 pcnt , and the average KAM value is 0.3 or more.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017168857 | 2017-09-01 | ||
PCT/JP2018/032022 WO2019044928A1 (en) | 2017-09-01 | 2018-08-29 | High-mn steel and production method therefor |
Publications (1)
Publication Number | Publication Date |
---|---|
PH12020550068A1 true PH12020550068A1 (en) | 2021-02-08 |
Family
ID=65527524
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PH12020550068A PH12020550068A1 (en) | 2017-09-01 | 2020-02-28 | High-mn steel and production method therefor |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP3677700B1 (en) |
JP (2) | JP6856129B2 (en) |
KR (1) | KR102355570B1 (en) |
CN (1) | CN111051553B (en) |
MY (1) | MY194444A (en) |
PH (1) | PH12020550068A1 (en) |
SG (1) | SG11202001418YA (en) |
WO (1) | WO2019044928A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11959157B2 (en) | 2018-08-03 | 2024-04-16 | Jfe Steel Corporation | High-Mn steel and method of producing same |
JP6947331B2 (en) * | 2019-08-21 | 2021-10-13 | Jfeスチール株式会社 | Steel and its manufacturing method |
CN114302977B (en) * | 2019-08-21 | 2022-12-06 | 杰富意钢铁株式会社 | Steel and method for producing same |
US20240033861A1 (en) * | 2020-12-17 | 2024-02-01 | Jfe Steel Corporation | Submerged arc welding wire and method for producing weld joint using the same |
EP4249621A4 (en) * | 2021-02-08 | 2024-06-05 | Jfe Steel Corp | Steel material and method for producing same, and tank and method for producing same |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56258A (en) * | 1979-06-12 | 1981-01-06 | Sumitomo Metal Ind Ltd | No-nickel high-manganese-content steel for low temperature |
JPS5942068B2 (en) * | 1981-06-01 | 1984-10-12 | 川崎製鉄株式会社 | High manganese non-magnetic steel for cryogenic temperatures |
JPS5867824A (en) * | 1981-10-17 | 1983-04-22 | Kawasaki Steel Corp | Hot processing of high tenacity high manganese non- magnetic steel |
JPS60204864A (en) * | 1984-03-29 | 1985-10-16 | Sanyo Tokushu Seikou Kk | Nonmagnetic high-mn steel having superior toughness at ordinary and low temperatures |
US5833919A (en) * | 1997-01-09 | 1998-11-10 | Korea Advanced Institute Of Science And Technology | Fe-Mn-Cr-Al cryogenix alloy and method of making |
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 |
JP4529872B2 (en) * | 2005-11-04 | 2010-08-25 | 住友金属工業株式会社 | High Mn steel material and manufacturing method thereof |
JP5003785B2 (en) * | 2010-03-30 | 2012-08-15 | Jfeスチール株式会社 | High tensile steel plate with excellent ductility and method for producing the same |
US20160271739A1 (en) * | 2013-12-06 | 2016-09-22 | Posco | High strength welding joint having excellent impact toughness at very low temperature, and flux-cored arc welding wire therefor |
JP6645103B2 (en) * | 2014-10-22 | 2020-02-12 | 日本製鉄株式会社 | High Mn steel material and method for producing the same |
JP6693217B2 (en) * | 2015-04-02 | 2020-05-13 | 日本製鉄株式会社 | High Mn steel for cryogenic temperatures |
JP6589535B2 (en) * | 2015-10-06 | 2019-10-16 | 日本製鉄株式会社 | Low temperature thick steel plate and method for producing the same |
KR101797319B1 (en) * | 2015-12-23 | 2017-11-14 | 주식회사 포스코 | Hot rolled steel sheet having excellent weldability and ductility for pipe and method for manufacturing the same |
-
2018
- 2018-08-29 WO PCT/JP2018/032022 patent/WO2019044928A1/en unknown
- 2018-08-29 MY MYPI2020000867A patent/MY194444A/en unknown
- 2018-08-29 KR KR1020207004808A patent/KR102355570B1/en active IP Right Grant
- 2018-08-29 JP JP2019539597A patent/JP6856129B2/en active Active
- 2018-08-29 EP EP18851150.5A patent/EP3677700B1/en active Active
- 2018-08-29 CN CN201880055742.0A patent/CN111051553B/en active Active
- 2018-08-29 SG SG11202001418YA patent/SG11202001418YA/en unknown
-
2020
- 2020-02-28 PH PH12020550068A patent/PH12020550068A1/en unknown
- 2020-11-04 JP JP2020184625A patent/JP7063364B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
SG11202001418YA (en) | 2020-03-30 |
BR112020003351A2 (en) | 2020-08-18 |
EP3677700A1 (en) | 2020-07-08 |
KR102355570B1 (en) | 2022-01-25 |
JPWO2019044928A1 (en) | 2020-03-26 |
MY194444A (en) | 2022-11-30 |
EP3677700A4 (en) | 2020-07-08 |
JP7063364B2 (en) | 2022-05-09 |
JP2021036077A (en) | 2021-03-04 |
KR20200033901A (en) | 2020-03-30 |
CN111051553B (en) | 2022-04-12 |
CN111051553A (en) | 2020-04-21 |
JP6856129B2 (en) | 2021-04-07 |
WO2019044928A1 (en) | 2019-03-07 |
EP3677700B1 (en) | 2023-05-10 |
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