MX2021012787A - Lamina de acero de alta resistencia. - Google Patents
Lamina de acero de alta resistencia.Info
- Publication number
- MX2021012787A MX2021012787A MX2021012787A MX2021012787A MX2021012787A MX 2021012787 A MX2021012787 A MX 2021012787A MX 2021012787 A MX2021012787 A MX 2021012787A MX 2021012787 A MX2021012787 A MX 2021012787A MX 2021012787 A MX2021012787 A MX 2021012787A
- Authority
- MX
- Mexico
- Prior art keywords
- steel sheet
- residual austenite
- total
- strength steel
- ratio
- Prior art date
Links
- 229910000831 Steel Inorganic materials 0.000 title abstract 3
- 239000010959 steel Substances 0.000 title abstract 3
- 229910001566 austenite Inorganic materials 0.000 abstract 3
- 229910000734 martensite Inorganic materials 0.000 abstract 2
- 229910000859 α-Fe Inorganic materials 0.000 abstract 2
- 229910001563 bainite Inorganic materials 0.000 abstract 1
- 229910001567 cementite Inorganic materials 0.000 abstract 1
- KSOKAHYVTMZFBJ-UHFFFAOYSA-N iron;methane Chemical compound C.[Fe].[Fe].[Fe] KSOKAHYVTMZFBJ-UHFFFAOYSA-N 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 229910001562 pearlite Inorganic materials 0.000 abstract 1
- 238000005096 rolling process Methods 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
Classifications
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- 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
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- 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
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- 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
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- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
- C21D1/19—Hardening; Quenching with or without subsequent tempering by interrupted quenching
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- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
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- C21D6/00—Heat treatment of ferrous alloys
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- C21D6/007—Heat treatment of ferrous alloys containing Co
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- 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
- C21D8/0242—Flattening; Dressing; Flexing
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- 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 Sheet Steel (AREA)
Abstract
Una lámina de acero de alta resistencia de conformidad con la presente invención contiene una composición química predeterminada, una estructura metalográfica incluye, por una relación de área, ferrita: 20% a 70%, austenita residual: 5% a 40%, martensita fresca: 0% a 30%, martensita templada y bainita: 20% a 75% en total, y perlita y cementita: 0% a 10% en total, en un intervalo de un espesor de 1/8 a un espesor de 3/8 desde una superficie, una proporción numérica de austenita residual que tiene una relación de aspecto de 2.0 o más con respecto al número de toda la austenita residual es 50% o más, en una posición de 1/4 del espesor de lámina de una sección transversal paralela a una dirección de laminado y perpendicular a la superficie, una desviación estándar de las relaciones de área de ferrita medida en 10 puntos cada 50 mm a lo largo de la dirección de la anchura es inferior a 10% y la resistencia a la tracción es de 780 MPa o más.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019128612 | 2019-07-10 | ||
PCT/JP2020/026704 WO2021006296A1 (ja) | 2019-07-10 | 2020-07-08 | 高強度鋼板 |
Publications (1)
Publication Number | Publication Date |
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MX2021012787A true MX2021012787A (es) | 2021-12-10 |
Family
ID=74114845
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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MX2021012787A MX2021012787A (es) | 2019-07-10 | 2020-07-08 | Lamina de acero de alta resistencia. |
Country Status (7)
Country | Link |
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US (1) | US20220177995A1 (es) |
EP (1) | EP3998366A4 (es) |
JP (1) | JP7168087B2 (es) |
KR (1) | KR102649505B1 (es) |
CN (1) | CN113748223B (es) |
MX (1) | MX2021012787A (es) |
WO (1) | WO2021006296A1 (es) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
MX2022010480A (es) * | 2020-02-28 | 2022-09-19 | Jfe Steel Corp | Chapa de acero, miembro y metodos para fabricar la misma. |
CN113933136B (zh) * | 2021-10-15 | 2023-06-23 | 华北理工大学 | 一种无Al医用锌基合金的枝晶腐蚀试剂、制备和使用方法 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS59219473A (ja) | 1983-05-26 | 1984-12-10 | Nippon Steel Corp | カラ−エツチング液及びエツチング方法 |
JPS6149007A (ja) * | 1984-08-17 | 1986-03-10 | Nishida Tekko Kk | 地下ダム用制水弁装置 |
JP3806173B2 (ja) * | 1996-03-12 | 2006-08-09 | 新日本製鐵株式会社 | 熱延連続化プロセスによる材質バラツキの小さい熱延鋼板の製造方法 |
JP4716359B2 (ja) | 2005-03-30 | 2011-07-06 | 株式会社神戸製鋼所 | 均一伸びに優れた高強度冷延鋼板およびその製造方法 |
JP5167865B2 (ja) * | 2008-02-29 | 2013-03-21 | Jfeスチール株式会社 | 加工性および溶接性に優れる高強度溶融亜鉛めっき鋼板およびその製造方法 |
JP5482205B2 (ja) | 2010-01-05 | 2014-05-07 | Jfeスチール株式会社 | 高強度熱延鋼板およびその製造方法 |
JP5652110B2 (ja) * | 2010-10-18 | 2015-01-14 | Jfeスチール株式会社 | レーザー切断性に優れた鋼板およびその製造方法 |
JP5321672B2 (ja) | 2011-11-08 | 2013-10-23 | Jfeスチール株式会社 | 材質均一性に優れた高張力熱延鋼板およびその製造方法 |
US10202667B2 (en) | 2013-06-27 | 2019-02-12 | Jfe Steel Corporation | High strength hot rolled steel sheet and method for manufacturing the same |
EP3434801B1 (en) * | 2016-03-25 | 2021-09-08 | Nippon Steel Corporation | High strength steel sheet and high strength galvanized steel sheet |
KR20190135505A (ko) | 2017-03-31 | 2019-12-06 | 닛폰세이테츠 가부시키가이샤 | 열간 압연 강판 |
KR101998952B1 (ko) * | 2017-07-06 | 2019-07-11 | 주식회사 포스코 | 재질편차가 적고 표면품질이 우수한 초고강도 열연강판 및 그 제조방법 |
JP6710710B2 (ja) | 2018-01-19 | 2020-06-17 | 本田技研工業株式会社 | 車両制御装置、車両制御方法、およびプログラム |
JP6414371B1 (ja) | 2018-03-30 | 2018-10-31 | 新日鐵住金株式会社 | 鋼板およびその製造方法 |
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2020
- 2020-07-08 WO PCT/JP2020/026704 patent/WO2021006296A1/ja unknown
- 2020-07-08 EP EP20836399.4A patent/EP3998366A4/en active Pending
- 2020-07-08 US US17/601,799 patent/US20220177995A1/en active Pending
- 2020-07-08 CN CN202080028251.4A patent/CN113748223B/zh active Active
- 2020-07-08 MX MX2021012787A patent/MX2021012787A/es unknown
- 2020-07-08 JP JP2021530716A patent/JP7168087B2/ja active Active
- 2020-07-08 KR KR1020217032057A patent/KR102649505B1/ko active IP Right Grant
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KR20210134967A (ko) | 2021-11-11 |
JPWO2021006296A1 (ja) | 2021-12-16 |
US20220177995A1 (en) | 2022-06-09 |
CN113748223A (zh) | 2021-12-03 |
EP3998366A4 (en) | 2023-06-07 |
JP7168087B2 (ja) | 2022-11-09 |
CN113748223B (zh) | 2022-12-16 |
KR102649505B1 (ko) | 2024-03-21 |
EP3998366A1 (en) | 2022-05-18 |
WO2021006296A1 (ja) | 2021-01-14 |
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