IN2014KN01252A - - Google Patents

Info

Publication number
IN2014KN01252A
IN2014KN01252A IN1252KON2014A IN2014KN01252A IN 2014KN01252 A IN2014KN01252 A IN 2014KN01252A IN 1252KON2014 A IN1252KON2014 A IN 1252KON2014A IN 2014KN01252 A IN2014KN01252 A IN 2014KN01252A
Authority
IN
India
Prior art keywords
phase
tube
volume
present
pipe
Prior art date
Application number
Inventor
Hiroshi Nakata
Tomoaki Shibata
Chikara Kami
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 IN2014KN01252A publication Critical patent/IN2014KN01252A/en

Links

Classifications

    • 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
    • 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties of ferrous metals or ferrous alloys 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/10—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies
    • 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
    • C22C38/18—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
    • 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
    • C22C38/44—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
    • C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
    • 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
    • C22C38/58—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
    • 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
    • C21D2211/005—Ferrite
    • 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
    • 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
    • C21D2211/009—Pearlite

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)
  • Manufacturing & Machinery (AREA)
  • Heat Treatment Of Steel (AREA)

Abstract

The purpose of the present invention is to provide a hot rolled high tensile strength steel sheet which does not undergo local buckling when formed into a steel pipe or tube and deformed by bending shows excellent deformation characteristics after being formed into a pipe or tube and is appropriately usable as line pipes and oil well pipes or tubes. The constitution of the present invention is a composition comprising in mass% 0.04 0.08% of C not more than 0.50% of Si 0.8 2.2% of Mn not more than 0.02% of P not more than 0.006% of S not more than 0.1% of Al not more than 0.008% of N 0.05 0.8% of Cr 0.01 0.08% of Nb 0.001 0.12% of V and 0.005 0.04% of Ti wherein the contents of Nb V and Ti are controlled so as to satisfy a definite requirement with the balance made up of Fe and incidental impurities characterized in that a surface layer has a structure comprising bainite as a primary phase 0.5 4% by volume of martensite as a secondary phase and not more than 10% by volume in total of one or more members selected from among a ferrite phase pearlite and cementite as a tertiary phase.
IN1252KON2014 2011-12-27 2012-12-21 IN2014KN01252A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011285906 2011-12-27
PCT/JP2012/008211 WO2013099192A1 (en) 2011-12-27 2012-12-21 High-tension hot rolled steel sheet and method for manufacturing same

Publications (1)

Publication Number Publication Date
IN2014KN01252A true IN2014KN01252A (en) 2015-10-16

Family

ID=48696734

Family Applications (1)

Application Number Title Priority Date Filing Date
IN1252KON2014 IN2014KN01252A (en) 2011-12-27 2012-12-21

Country Status (7)

Country Link
US (1) US20140352852A1 (en)
EP (1) EP2799575B1 (en)
JP (1) JP5812115B2 (en)
KR (1) KR101664635B1 (en)
CN (1) CN104011245B (en)
IN (1) IN2014KN01252A (en)
WO (1) WO2013099192A1 (en)

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US10196702B2 (en) 2013-12-25 2019-02-05 Nippon Steel & Sumitomo Metal Corporation Electric resistance welded steel pipe for oil well
WO2015151469A1 (en) * 2014-03-31 2015-10-08 Ｊｆｅスチール株式会社 Steel material for highly-deformable line pipes having superior strain aging characteristics and anti-hic characteristics, method for manufacturing same, and welded steel pipe
JP6369347B2 (en) * 2015-02-13 2018-08-08 Ｊｆｅスチール株式会社 High-strength thick-walled spiral steel pipe for conductor casing for deep well and manufacturing method thereof
WO2016157856A1 (en) 2015-03-27 2016-10-06 Ｊｆｅスチール株式会社 High-strength steel, production method therefor, steel pipe, and production method therefor
JP6241570B2 (en) * 2015-03-27 2017-12-06 Ｊｆｅスチール株式会社 High strength steel and method for manufacturing the same, steel pipe and method for manufacturing the steel pipe
MX2019008649A (en) * 2017-01-20 2019-12-16 Thyssenkrupp Steel Europe Ag Hot-rolled flat steel product consisting of a complex-phase steel having a predominantly bainitic microstructure and method for producing such a flat steel product.
CN109722611B (en) * 2017-10-27 2020-08-25 宝山钢铁股份有限公司 A kind of steel for ultra-high strength coiled tubing with low yield ratio and manufacturing method thereof
WO2019088104A1 (en) * 2017-10-30 2019-05-09 新日鐵住金株式会社 Hot-rolled steel sheet and manufacturing method therefor
JP6773021B2 (en) * 2017-12-27 2020-10-21 Ｊｆｅスチール株式会社 Thick-walled large-diameter electric resistance pipe with excellent fatigue strength and its manufacturing method
HUE052103T2 (en) * 2018-01-23 2021-04-28 Ssab Technology Ab Hot rolled steel and process for the production of hot rolled steel
EP3816311B1 (en) * 2018-06-29 2023-04-26 Nippon Steel Corporation Steel pipe and steel sheet
RU2696920C1 (en) * 2018-07-30 2019-08-07 Акционерное общество "Выксунский металлургический завод" Method of production of rolled stock for pipes of main pipelines with simultaneous provision of uniform elongation and cold resistance
WO2020039979A1 (en) * 2018-08-23 2020-02-27 Ｊｆｅスチール株式会社 Hot rolled steel plate and manufacturing method thereof
JP7284380B2 (en) * 2019-02-08 2023-05-31 日本製鉄株式会社 Electric resistance welded steel pipes for line pipes
KR102255818B1 (en) * 2019-06-24 2021-05-25 주식회사 포스코 High strength steel for a structure having excellent corrosion resistance and manufacturing method for the same
CA3152893C (en) * 2019-11-20 2024-11-05 Jfe Steel Corporation Hot-rolled steel sheet for electric resistance welded steel pipe and method for manufacturing the same, electric resistance welded steel pipe and method for manufacturing the same, line pipe, and building structure
KR102840416B1 (en) * 2020-04-02 2025-07-30 제이에프이 스틸 가부시키가이샤 Steel pipe and its manufacturing method
KR102493978B1 (en) * 2020-12-17 2023-01-31 주식회사 포스코 Thin, high strength steel material for api having resistance to deformation and method of manufacturing the same
CN113215492B (en) * 2021-05-12 2022-04-08 大冶特殊钢有限公司 Rolling method of high-toughness low-alloy high-strength steel
CN116145022B (en) * 2021-11-19 2024-03-08 宝山钢铁股份有限公司 Low yield ratio steel plate with yield strength not lower than 900MPa and manufacturing method thereof
KR20240011284A (en) * 2022-07-18 2024-01-26 주식회사 포스코 Hot rolled high strength steel sheet having excellent shearing quality and stretch-flangeabilty, and method for the same
KR20250092797A (en) * 2023-12-15 2025-06-24 주식회사 포스코 Hot rolled steel stheet, and mehtod for the same

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Also Published As

Publication number Publication date
CN104011245A (en) 2014-08-27
JPWO2013099192A1 (en) 2015-04-30
EP2799575B1 (en) 2016-12-21
CN104011245B (en) 2017-03-01
WO2013099192A8 (en) 2014-06-26
US20140352852A1 (en) 2014-12-04
WO2013099192A1 (en) 2013-07-04
KR101664635B1 (en) 2016-10-10
EP2799575A4 (en) 2015-10-28
JP5812115B2 (en) 2015-11-11
EP2799575A1 (en) 2014-11-05
KR20140099321A (en) 2014-08-11

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