BR112012020133A2 - chapa de aço de alta resistência e método para sua produção - Google Patents

chapa de aço de alta resistência e método para sua produção

Info

Publication number
BR112012020133A2
BR112012020133A2 BR112012020133A BR112012020133A BR112012020133A2 BR 112012020133 A2 BR112012020133 A2 BR 112012020133A2 BR 112012020133 A BR112012020133 A BR 112012020133A BR 112012020133 A BR112012020133 A BR 112012020133A BR 112012020133 A2 BR112012020133 A2 BR 112012020133A2
Authority
BR
Brazil
Prior art keywords
high strength
strength steel
less
steel sheet
production
Prior art date
Application number
BR112012020133A
Other languages
English (en)
Other versions
BR112012020133B1 (pt
Inventor
Gotoh Michinori
Kumagai Tatsuya
Original Assignee
Nippon Steel Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Publication of BR112012020133A2 publication Critical patent/BR112012020133A2/pt
Publication of BR112012020133B1 publication Critical patent/BR112012020133B1/pt

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
    • C21D3/00—Diffusion processes for extraction of non-metals; Furnaces therefor
    • C21D3/02—Extraction of non-metals
    • C21D3/04—Decarburising
    • 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
    • C21D1/62—Quenching devices
    • C21D1/667—Quenching devices for spray quenching
    • 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
    • C21D9/46—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
    • C22C38/001—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
    • C22C38/002—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
    • C22C38/12—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
    • C22C38/18—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
    • C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/38—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling sheets of limited length, e.g. folded sheets, superimposed sheets, pack rolling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
    • 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
    • C21D2211/008—Martensite

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)
  • Heat Treatment Of Sheet Steel (AREA)

Abstract

chapa de aço de alta resistência e método para sua produção. a presente invenção refere-se a uma chapa de aço de alta resistência que é superior em capacidade de dobramento, capacidade de soldagem, e tenacidade e tem um limite de elasticidade de 885 mpa ou mais e um valor médio de energia absorvida dos testes de impacto a-40<198> de 33 j/cm^ 2^ ou mais, a chapa de aço de alta a resistência incluindo como composição química, em % em massa, c : 0,10% a 0,18%, si : 0,20% a 0,80%, mn : 0,20% a 1,60%, mo : 0,10% a 0,60%, nb : 0,010% a 0,050%, ti: 0,005% a 0,030%, al : 0,01% a 0,10%, b: 0,0003%, p: 0,012% ou menos, s: 0,005% ou menos, n: 0,0060% ou menos, e pcm : 0,29% ou menos, onde a chapa de aço de alta resistência tem uma camada amaciada com hv de 250 ou menos e com uma espessura de 50 <109>m ou mais e não maior que 3% da espessura da chapa em uma superfície da chapa de aço, e a razão média de aspecto dos grãos da austenita anterior é 1,6 ou mais respectivamente em uma seção l e em uma seção t em uma posição com uma profundidade de 1/4 da espessura da chapa a partir da superfície.
BR112012020133A 2010-05-14 2011-04-22 chapa de aço e método pa ra sua produção BR112012020133B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010111603 2010-05-14
PCT/JP2011/060495 WO2011142285A1 (ja) 2010-05-14 2011-04-22 高強度鋼板とその製造方法

Publications (2)

Publication Number Publication Date
BR112012020133A2 true BR112012020133A2 (pt) 2017-07-11
BR112012020133B1 BR112012020133B1 (pt) 2018-07-17

Family

ID=44914341

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112012020133A BR112012020133B1 (pt) 2010-05-14 2011-04-22 chapa de aço e método pa ra sua produção

Country Status (4)

Country Link
JP (1) JP4897125B2 (pt)
CN (1) CN102712972B (pt)
BR (1) BR112012020133B1 (pt)
WO (1) WO2011142285A1 (pt)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102605253B (zh) * 2012-04-18 2013-12-25 江苏省沙钢钢铁研究院有限公司 低成本高强度高韧性钢板及其生产工艺
CN103725985A (zh) * 2013-12-28 2014-04-16 首钢总公司 一种超高强度钢板及其生产方法
KR101838424B1 (ko) * 2014-03-20 2018-03-13 제이에프이 스틸 가부시키가이샤 후육 고인성 고장력 강판 및 그 제조 방법
CN103898406B (zh) * 2014-03-25 2016-08-24 宝山钢铁股份有限公司 一种屈服强度890MPa级低焊接裂纹敏感性钢板及其制造方法
JP5871109B1 (ja) 2014-04-24 2016-03-01 Ｊｆｅスチール株式会社 厚鋼板及びその製造方法
CN104073719A (zh) * 2014-06-25 2014-10-01 宝山钢铁股份有限公司 一种高强度焊接钢管及其制造方法
JP6398575B2 (ja) * 2014-10-10 2018-10-03 新日鐵住金株式会社 靭性に優れた鋼板およびその製造方法
CN104532157A (zh) * 2014-12-19 2015-04-22 宝山钢铁股份有限公司 一种屈服强度900~1000MPa级调质高强钢及其生产方法
JP6578728B2 (ja) * 2015-04-28 2019-09-25 日本製鉄株式会社 高強度熱延鋼板及びその製造方法
CN105369155B (zh) * 2015-11-17 2017-05-10 国家电网公司 一种特高压输电电塔用高强钢
CN109154041B (zh) * 2016-07-29 2020-07-31 日本制铁株式会社 高强度钢板
CN110177894B (zh) * 2017-02-20 2021-11-19 日本制铁株式会社 高强度钢板
US11655519B2 (en) * 2017-02-27 2023-05-23 Nucor Corporation Thermal cycling for austenite grain refinement
KR102020435B1 (ko) * 2017-12-22 2019-09-10 주식회사 포스코 굽힘성 및 저온인성이 우수한 고강도 열연강판 및 이의 제조방법
KR102115277B1 (ko) * 2018-08-20 2020-05-26 닛폰세이테츠 가부시키가이샤 강판 및 그 제조 방법
CN110468327A (zh) * 2019-08-01 2019-11-19 石家庄钢铁有限责任公司 一种空心活塞杆用钢及其生产方法
CN111088456A (zh) * 2019-11-04 2020-05-01 江阴兴澄特种钢铁有限公司 一种as/nzs 3678-350l15z35结构用钢板及其制造方法
CN113061815B (zh) * 2021-03-24 2022-04-26 宝武集团鄂城钢铁有限公司 一种800MPa级全截面冲击性能稳定的调质态高强钢及其生产方法
CN113604736B (zh) * 2021-07-26 2022-10-04 莱芜钢铁集团银山型钢有限公司 一种屈服强度800MPa级高强度中厚板及其制备方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0477049A (ja) * 1990-07-16 1992-03-11 Ricoh Co Ltd 書き込み制御装置
JP4077049B2 (ja) * 1995-07-28 2008-04-16 株式会社日立ハイテクインスツルメンツ 電子部品供給装置
JP5181775B2 (ja) * 2008-03-31 2013-04-10 Ｊｆｅスチール株式会社 曲げ加工性および低温靭性に優れる高張力鋼材ならびにその製造方法
JP5131844B2 (ja) * 2008-08-12 2013-01-30 新日鐵住金株式会社 熱間プレス用熱延鋼板およびその製造方法ならびに熱間プレス鋼板部材の製造方法

Also Published As

Publication number Publication date
JPWO2011142285A1 (ja) 2013-07-22
CN102712972A (zh) 2012-10-03
BR112012020133B1 (pt) 2018-07-17
CN102712972B (zh) 2013-08-07
JP4897125B2 (ja) 2012-03-14
WO2011142285A1 (ja) 2011-11-17

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Legal Events

Date Code Title Description
B25D Requested change of name of applicant approved

Owner name: NIPPON STEEL AND SUMITOMO METAL CORPORATION (JP)

B06A Notification to applicant to reply to the report for non-patentability or inadequacy of the application according art. 36 industrial patent law
B09A Decision: intention to grant
B16A Patent or certificate of addition of invention granted
B25D Requested change of name of applicant approved