BR112016001817A2 - placa espessa de aço e método para fabricar a mesma - Google Patents

placa espessa de aço e método para fabricar a mesma

Info

Publication number
BR112016001817A2
BR112016001817A2 BR112016001817A BR112016001817A BR112016001817A2 BR 112016001817 A2 BR112016001817 A2 BR 112016001817A2 BR 112016001817 A BR112016001817 A BR 112016001817A BR 112016001817 A BR112016001817 A BR 112016001817A BR 112016001817 A2 BR112016001817 A2 BR 112016001817A2
Authority
BR
Brazil
Prior art keywords
less
steel plate
thick steel
chemical composition
accelerated cooling
Prior art date
Application number
BR112016001817A
Other languages
English (en)
Other versions
BR112016001817B1 (pt
Inventor
Hase Kazukuni
Arao Ryo
Endo Shigeru
Murakami Yoshiaki
Original Assignee
Jfe 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 Jfe Steel Corp filed Critical Jfe Steel Corp
Publication of BR112016001817A2 publication Critical patent/BR112016001817A2/pt
Publication of BR112016001817B1 publication Critical patent/BR112016001817B1/pt

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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
    • C22C38/18—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
    • 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
    • C22C38/002—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
    • C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
    • 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
    • C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
    • 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
    • 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
    • C22C38/26—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
    • 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
    • C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
    • 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
    • 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
    • C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
    • 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

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

placa espessa de aço excelente em soldagem de entrada grande de calor e uniformidade de propriedades de material ao longo da placa de aço e a um método para fabricar a placa de aço. a placa espessa de aço tem uma composição química que contém, em % em massa, de c: 0,030% ou mais e 0,080% ou menos, de si: 0,01% ou mais e 0,10% ou menos, de mn 1,20% ou mais e 2,40% ou menos, de p: 0,008% ou menos, de s: 0,0005% ou mais e 0,0040% ou menos, de al: 0,005% ou mais e 0,080% ou menos, de nb: 0,003% ou mais e 0,040% ou menos, de ti: 0,003% ou mais e 0,040% ou menos, de n: 0,0030% ou mais e 0,0100% ou menos, de b: 0,0003% ou mais e 0,0030% ou menos, e sendo que o saldo é de fe e impurezas inevitáveis e contém adicionalmente, conforme necessário, um, dois ou mais de cu, ni, cr, mo, v, ca, zr, rem, em que uma largura de variação (¿hv) de dureza vickers (hv), em cada uma dentre a direção de espessura e a direção de largura, é 30 ou menos. o método inclui aquecer um material de aço que tem a composição química descrita acima, a uma temperatura de 1.000 °c ou mais alta e 1.300 °c ou mais baixa, laminar a quente o material de aço aquecido, e realizar a desincrustação, usando-se um fluxo a jato com uma pressão de colisão de 1 mpa ou mais na superfície da placa de aço, imediatamente antes de o resfriamento acelerado ser subsequentemente realizado, e, após o mesmo, realizar o resfriamento acelerado.
BR112016001817-6A 2013-08-22 2014-08-04 Placa espessa de aço e método para fabricar a mesma BR112016001817B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2013-171932 2013-08-22
JP2013171932A JP5692305B2 (ja) 2013-08-22 2013-08-22 大入熱溶接特性と材質均質性に優れた厚鋼板およびその製造方法
PCT/JP2014/004055 WO2015025486A1 (ja) 2013-08-22 2014-08-04 厚鋼板およびその製造方法

Publications (2)

Publication Number Publication Date
BR112016001817A2 true BR112016001817A2 (pt) 2017-08-01
BR112016001817B1 BR112016001817B1 (pt) 2021-04-06

Family

ID=52483282

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112016001817-6A BR112016001817B1 (pt) 2013-08-22 2014-08-04 Placa espessa de aço e método para fabricar a mesma

Country Status (6)

Country Link
JP (1) JP5692305B2 (pt)
KR (1) KR101795548B1 (pt)
CN (1) CN105473753B (pt)
BR (1) BR112016001817B1 (pt)
TW (1) TWI525199B (pt)
WO (1) WO2015025486A1 (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105392935B (zh) * 2013-07-25 2017-11-17 东丽株式会社 耐磨耗性多重织物
EP3279352B1 (en) * 2015-03-31 2022-12-07 JFE Steel Corporation Method for producing a high strength/high toughness steel sheet
CN107904504B (zh) * 2017-11-10 2019-05-31 钢铁研究总院 一种正火态交货的可大线能量焊接用eh36特厚板及制备方法
CN109136724B (zh) * 2018-09-14 2021-06-15 东北大学 一种低屈强比q690f工程机械用钢板及其制造方法
WO2020251002A1 (ja) * 2019-06-14 2020-12-17 日鉄ステンレス株式会社 オーステナイト系ステンレス鋼およびその製造方法
CN113458164A (zh) * 2021-06-15 2021-10-01 邯郸钢铁集团有限责任公司 一种小断面含Cr、Ni、Mo合金连铸方坯的除鳞方法

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Publication number Priority date Publication date Assignee Title
JP3507989B2 (ja) 1993-10-28 2004-03-15 日本酸素株式会社 不活性ガス中の酸素濃度調節方法及び装置
JPH0957327A (ja) 1995-08-22 1997-03-04 Sumitomo Metal Ind Ltd 厚鋼板のスケール除去方法
JP3911834B2 (ja) 1998-03-30 2007-05-09 Ｊｆｅスチール株式会社 板厚方向材質差の小さい低降伏比高張力鋼材の製造方法
JP3796133B2 (ja) 2000-04-18 2006-07-12 新日本製鐵株式会社 厚鋼板冷却方法およびその装置
EP1577412B2 (en) * 2002-12-24 2014-11-12 Nippon Steel & Sumitomo Metal Corporation High strength steel sheet exhibiting good burring workability and excellent resistance to softening in heat-affected zone and method for production thereof
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US20110126944A1 (en) * 2008-07-31 2011-06-02 Jfe Steel Corporation Thick-walled high-strength hot rolled steel sheet with excellent low-temperature toughness and method for producing same
JP5195469B2 (ja) * 2009-01-30 2013-05-08 Ｊｆｅスチール株式会社 低温靭性に優れた厚肉高張力熱延鋼板の製造方法
JP5526685B2 (ja) 2009-09-30 2014-06-18 Ｊｆｅスチール株式会社 大入熱溶接用鋼
JP5811591B2 (ja) 2011-05-24 2015-11-11 Ｊｆｅスチール株式会社 耐圧潰性および溶接熱影響部靱性に優れた高強度ラインパイプ及びその製造方法
JP5867381B2 (ja) * 2011-12-22 2016-02-24 Ｊｆｅスチール株式会社 鋼板内の材質均一性に優れた大入熱溶接用高強度鋼板及びその製造方法
JP5742750B2 (ja) * 2012-02-28 2015-07-01 新日鐵住金株式会社 厚鋼板及びその製造方法

Also Published As

Publication number Publication date
JP2015040328A (ja) 2015-03-02
CN105473753B (zh) 2017-09-26
JP5692305B2 (ja) 2015-04-01
KR20160028480A (ko) 2016-03-11
WO2015025486A1 (ja) 2015-02-26
TWI525199B (zh) 2016-03-11
TW201508069A (zh) 2015-03-01
KR101795548B1 (ko) 2017-11-08
BR112016001817B1 (pt) 2021-04-06
CN105473753A (zh) 2016-04-06

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