BR112018071948A2 - placa de aço de alta resistência - Google Patents
placa de aço de alta resistênciaInfo
- Publication number
- BR112018071948A2 BR112018071948A2 BR112018071948A BR112018071948A BR112018071948A2 BR 112018071948 A2 BR112018071948 A2 BR 112018071948A2 BR 112018071948 A BR112018071948 A BR 112018071948A BR 112018071948 A BR112018071948 A BR 112018071948A BR 112018071948 A2 BR112018071948 A2 BR 112018071948A2
- Authority
- BR
- Brazil
- Prior art keywords
- steel plate
- high strength
- strength steel
- cementite
- mpa
- Prior art date
Links
Classifications
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- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/02—Hardening articles or materials formed by forging or rolling, with no further heating beyond that required for the formation
-
- 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
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- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
- C21D1/60—Aqueous agents
-
- 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
- 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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- 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
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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
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
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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
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
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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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- 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
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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
- C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
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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
- C22C38/12—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
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
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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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/20—Ferrous alloys, e.g. steel alloys containing chromium with copper
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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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
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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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium with vanadium
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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
- C22C38/18—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
- C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with 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
- C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
-
- 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
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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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
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- 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
- C21D2211/003—Cementite
-
- 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
Abstract
a presente invenção refere-se a uma placa de aço de alta resistência que tem uma composição química predeterminada e compreende um ou mais tipos de martensita e bainita nos quais di é de 2,0 a 7,8, o pcm é 0,189% ou maior, e a estrutura metálica é 99% ou mais em razão de área total. a razão de aspecto de grãos de austenita anteriores é 2,0 ou maior, a fração numérica de cementita na qual o comprimento na direção de eixo geométrico longo é de 1,0 µm ou maior em relação à cementita, na qual o comprimento na direção de eixo geométrico longo é de 0,1 µm ou maior é 5% ou menos, sendo que a espessura de placa é 4,5 mm a 20 mm, o limite de elasticidade é 885 mpa ou maior, a resistência à tração é 950 mpa ou maior, o alongamento em ruptura é 12% ou maior e a energia absorvida de charpy em - 20°c é 59 j/cm2 ou maior.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2016/072316 WO2018020660A1 (ja) | 2016-07-29 | 2016-07-29 | 高強度鋼板 |
Publications (2)
Publication Number | Publication Date |
---|---|
BR112018071948A2 true BR112018071948A2 (pt) | 2019-02-05 |
BR112018071948B1 BR112018071948B1 (pt) | 2022-03-03 |
Family
ID=61016765
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112018071948-0A BR112018071948B1 (pt) | 2016-07-29 | 2016-07-29 | Chapa de aço de alta resistência |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP3492610B1 (pt) |
JP (1) | JP6501042B2 (pt) |
KR (1) | KR102142472B1 (pt) |
CN (1) | CN109154041B (pt) |
BR (1) | BR112018071948B1 (pt) |
WO (1) | WO2018020660A1 (pt) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7048379B2 (ja) * | 2018-03-27 | 2022-04-05 | 株式会社神戸製鋼所 | 高強度高延性鋼板 |
JP7048378B2 (ja) * | 2018-03-27 | 2022-04-05 | 株式会社神戸製鋼所 | 高強度高延性鋼板 |
CN110846564A (zh) * | 2019-09-30 | 2020-02-28 | 邯郸钢铁集团有限责任公司 | 低成本高强大梁钢750l及其生产方法 |
WO2021125283A1 (ja) | 2019-12-19 | 2021-06-24 | 日本製鉄株式会社 | 鋼板及びその製造方法 |
KR20220147130A (ko) * | 2020-08-31 | 2022-11-02 | 닛폰세이테츠 가부시키가이샤 | 강판 및 그 제조 방법 |
CN115074634B (zh) * | 2022-07-08 | 2023-01-06 | 北京高创智信冶金科技有限公司 | 重型汽车用高强度非调质钢前轴及其生产工艺 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4848966B2 (ja) * | 2007-01-29 | 2011-12-28 | 住友金属工業株式会社 | 厚肉高張力鋼板およびその製造方法 |
JP5151693B2 (ja) | 2008-05-29 | 2013-02-27 | 新日鐵住金株式会社 | 高張力鋼の製造方法 |
KR101094310B1 (ko) * | 2008-09-18 | 2011-12-19 | 한국기계연구원 | 저온인성이 우수한 용접성 초고강도강 및 그 제조방법 |
JP5609383B2 (ja) * | 2009-08-06 | 2014-10-22 | Jfeスチール株式会社 | 低温靭性に優れた高強度熱延鋼板およびその製造方法 |
JP5630125B2 (ja) | 2009-08-06 | 2014-11-26 | Jfeスチール株式会社 | 低温靭性に優れた高強度熱延鋼板およびその製造方法 |
BR112012020133B1 (pt) * | 2010-05-14 | 2018-07-17 | Nippon Steel & Sumitomo Metal Corp | chapa de aço e método pa ra sua produção |
JP5598225B2 (ja) | 2010-09-30 | 2014-10-01 | Jfeスチール株式会社 | 曲げ特性と低温靭性に優れた高強度熱延鋼板およびその製造方法 |
EP2612945B1 (en) * | 2010-11-05 | 2014-04-16 | Nippon Steel & Sumitomo Metal Corporation | High-strength steel plate and method for producing same |
CN102747280B (zh) * | 2012-07-31 | 2014-10-01 | 宝山钢铁股份有限公司 | 一种高强度高韧性耐磨钢板及其制造方法 |
JP5895772B2 (ja) * | 2012-09-03 | 2016-03-30 | 新日鐵住金株式会社 | 外観に優れ、靭性と降伏強度の等方性に優れた高強度熱延鋼板及びその製造方法 |
CN103146997B (zh) * | 2013-03-28 | 2015-08-26 | 宝山钢铁股份有限公司 | 一种低合金高韧性耐磨钢板及其制造方法 |
-
2016
- 2016-07-29 WO PCT/JP2016/072316 patent/WO2018020660A1/ja unknown
- 2016-07-29 BR BR112018071948-0A patent/BR112018071948B1/pt active IP Right Grant
- 2016-07-29 KR KR1020187032277A patent/KR102142472B1/ko active IP Right Grant
- 2016-07-29 EP EP16910563.2A patent/EP3492610B1/en active Active
- 2016-07-29 JP JP2018530300A patent/JP6501042B2/ja active Active
- 2016-07-29 CN CN201680085629.8A patent/CN109154041B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
WO2018020660A1 (ja) | 2018-02-01 |
CN109154041A (zh) | 2019-01-04 |
JP6501042B2 (ja) | 2019-04-17 |
CN109154041B (zh) | 2020-07-31 |
EP3492610A1 (en) | 2019-06-05 |
KR20180126591A (ko) | 2018-11-27 |
JPWO2018020660A1 (ja) | 2019-02-28 |
BR112018071948B1 (pt) | 2022-03-03 |
EP3492610B1 (en) | 2021-03-24 |
KR102142472B1 (ko) | 2020-08-07 |
EP3492610A4 (en) | 2020-03-11 |
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Legal Events
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B25D | Requested change of name of applicant approved |
Owner name: NIPPON STEEL CORPORATION (JP) |
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B06U | Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette] | ||
B07A | Application suspended after technical examination (opinion) [chapter 7.1 patent gazette] | ||
B350 | Update of information on the portal [chapter 15.35 patent gazette] | ||
B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] |
Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 29/07/2016, OBSERVADAS AS CONDICOES LEGAIS. |