RU2016106920A - SHEET STEEL FOR A THICK-WALLED HIGH-STRENGTH MAIN PIPE, POSSESSING EXCELLENT RESISTANCE TO ACID ENVIRONMENT, CROSSING RESISTANCE AND LOW-TERM VERY SEVERE TOUCH. - Google Patents

SHEET STEEL FOR A THICK-WALLED HIGH-STRENGTH MAIN PIPE, POSSESSING EXCELLENT RESISTANCE TO ACID ENVIRONMENT, CROSSING RESISTANCE AND LOW-TERM VERY SEVERE TOUCH. Download PDF

Info

Publication number
RU2016106920A
RU2016106920A RU2016106920A RU2016106920A RU2016106920A RU 2016106920 A RU2016106920 A RU 2016106920A RU 2016106920 A RU2016106920 A RU 2016106920A RU 2016106920 A RU2016106920 A RU 2016106920A RU 2016106920 A RU2016106920 A RU 2016106920A
Authority
RU
Russia
Prior art keywords
less
thick
strength
resistance
walled high
Prior art date
Application number
RU2016106920A
Other languages
Russian (ru)
Other versions
RU2637202C2 (en
Inventor
Такуя ХАРА
Таиси ФУДЗИСИРО
Ясухиро СИНОХАРА
Ейдзи ЦУРУ
Original Assignee
Ниппон Стил Энд Сумитомо Метал Корпорейшн
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 Ниппон Стил Энд Сумитомо Метал Корпорейшн filed Critical Ниппон Стил Энд Сумитомо Метал Корпорейшн
Publication of RU2016106920A publication Critical patent/RU2016106920A/en
Application granted granted Critical
Publication of RU2637202C2 publication Critical patent/RU2637202C2/en

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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
    • C21D9/14—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes wear-resistant or pressure-resistant pipes
    • 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
    • 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
    • C21D1/78—Combined heat-treatments not provided for above
    • 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
    • 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
    • C22C38/18—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
    • C21D2211/005—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
    • C21D2221/00—Treating localised areas of an article
    • C21D2221/10—Differential treatment of inner with respect to outer regions, e.g. core and periphery, respectively
    • 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
    • C21D8/10—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies
    • C21D8/105—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies of ferrous alloys

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)
  • Manufacturing & Machinery (AREA)

Claims (44)

1. Толстолистовая сталь для толстостенной высокопрочной магистральной трубы, обладающая превосходными сопротивлением воздействию кислой среды, сопротивлением смятию и низкотемпературной вязкостью, представляющая собой:1. Steel plate for thick-walled high-strength trunk pipe, which has excellent resistance to acidic environment, shear resistance and low temperature viscosity, which is: толстолистовую сталь с толщиной от 25 мм до 45 мм, содержащую, мас.%:plate steel with a thickness of 25 mm to 45 mm, containing, wt.%: C: от 0,04 до 0,08;C: 0.04 to 0.08; Mn: от 1,2 до 2,0;Mn: 1.2 to 2.0; Nb: от 0,005 до 0,05;Nb: from 0.005 to 0.05; Ti: от 0,005 до 0,03;Ti: from 0.005 to 0.03; Ca: от 0,0005 до 0,0050, иCa: 0.0005 to 0.0050, and N: от 0,001 до 0,008, с ограничениями:N: from 0.001 to 0.008, with limitations: Si: 0,5 или меньше,Si: 0.5 or less Al: 0,05 или меньше,Al: 0.05 or less P: 0,03 или меньше,P: 0.03 or less S: 0,005 или меньше,S: 0.005 or less O: 0,005 или меньше, иO: 0.005 or less, and имеющую остаток из Fe и неизбежных примесей, при этомhaving a residue of Fe and inevitable impurities, while микроструктура части поверхностного слоя, расположенной от поверхности толстолистовой стали вниз в направлении толщины листа на от 0,9 мм до 1,1 мм, ограничена в процентах площади следующим образом:the microstructure of the part of the surface layer located from the plate steel surface downward in the direction of sheet thickness from 0.9 mm to 1.1 mm is limited in percentage of the area as follows: деформированный феррит: 5% или больше и Sfe1%, определяемый по следующей формуле 1a, или меньше, иdeformed ferrite: 5% or more and S fe1 %, determined by the following formula 1a or less, and смесь мартенсита и аустенита: 8% или меньше, иa mixture of martensite and austenite: 8% or less, and имеет остаток из одного или обоих из многоугольного феррита и бейнита, иhas a residue of one or both of polygonal ferrite and bainite, and микроструктура части, расположенной от центра толщины листа в направлении к передней и к задней сторонам толстолистовой стали в пределах 1 мм, составляющая центральную часть толщины, ограничена в процентах площади следующим образом:the microstructure of the part located from the center of the sheet thickness towards the front and rear sides of the steel plate within 1 mm, constituting the central part of the thickness, is limited in percentage of the area as follows: деформированный феррит: 5% или меньше,deformed ferrite: 5% or less смесь мартенсита и аустенита: 5% или меньше, иa mixture of martensite and austenite: 5% or less, and имеет остаток, состоящий из одного или обоих из игольчатого феррита и бейнита, иhas a residue consisting of one or both of acicular ferrite and bainite, and часть поверхностного слоя и центральная часть толщины имеют среднее значение эффективного размера зерна, измеренное дифракцией обратного рассеяния электронов, равное 20 мкм или меньше,part of the surface layer and the central part of the thickness have an average value of the effective grain size, measured by electron backscattering diffraction, of 20 μm or less, Sfe1=0,6552×TH-4,7826, (формула 1a),S fe1 = 0.6552 × T H -4.7826, (formula 1a), где TH: толщина толстолистовой стали для толстостенной высокопрочной магистральной трубы.where T H : thickness of plate steel for a thick-walled high-strength main pipe. 2. Толстолистовая сталь для толстостенной высокопрочной магистральной трубы, обладающая превосходными сопротивлением воздействию кислой среды, сопротивлением смятию и низкотемпературной вязкостью по п. 1, дополнительно содержащая одно или более из, мас.%:2. Plate steel for thick-walled high-strength trunk pipe, which has excellent resistance to acidic environment, shear resistance and low temperature viscosity according to claim 1, additionally containing one or more of, wt.%: Cu: 0,50 или меньше,Cu: 0.50 or less Ni: 0,50 или меньше,Ni: 0.50 or less Cr: 0,50 или меньше,Cr: 0.50 or less Mo: 0,50 или меньше,Mo: 0.50 or less W: 0,50 или меньше,W: 0.50 or less V: 0,10 или меньше,V: 0.10 or less Zr: 0,050 или меньше,Zr: 0.050 or less Ta: 0,050 или меньше,Ta: 0.050 or less B: 0,0020 или меньше,B: 0.0020 or less Mg: 0,010 или меньше,Mg: 0.010 or less REM: 0,0050 или меньше,REM: 0.0050 or less Y: 0,0050 или меньше,Y: 0.0050 or less Hf: 0,0050 или меньше, иHf: 0.0050 or less, and Re: 0,0050 или меньше.Re: 0.0050 or less. 3. Толстолистовая сталь для толстостенной высокопрочной магистральной трубы, обладающая превосходными сопротивлением воздействию кислой среды, сопротивлением смятию и низкотемпературной вязкостью по п.1 или 2, в которой содержание алюминия составляет 0,005 мас.% или меньше.3. Steel plate for a thick-walled high-strength main pipe, having excellent resistance to acidic conditions, shear resistance and low temperature viscosity according to claim 1 or 2, in which the aluminum content is 0.005 wt.% Or less. 4. Толстолистовая сталь для толстостенной высокопрочной магистральной трубы, обладающая превосходными сопротивлением воздействию кислой среды, сопротивлением смятию и низкотемпературной вязкостью по любому из пп. 1-3, которая имеет предел прочности от 500 до 700 МПа.4. Steel plate for thick-walled high-strength trunk pipe, which has excellent resistance to acidic environment, shear resistance and low temperature viscosity according to any one of paragraphs. 1-3, which has a tensile strength of 500 to 700 MPa.
5     5. Толстолистовая сталь для толстостенной высокопрочной магистральной трубы, обладающая превосходными сопротивлением воздействию кислой среды, сопротивлением смятию и низкотемпературной вязкостью по любому из пп. 1-3, которая имеет предел текучести после формирования трубы составляет 440 МПа или больше, предел прочности от 500 до 700 МПа, и 0,2% напряжение пластического течения при сжатии в круговом направлении после старения при температуре 200°C 450 МПа или больше.
5 5. Plate steel for a thick-walled high-strength main pipe, which has excellent resistance to acidic environment, shear resistance and low temperature viscosity according to any one of paragraphs. 1-3, which has a yield strength after pipe formation is 440 MPa or more, a tensile strength of 500 to 700 MPa, and 0.2% stress of plastic flow during compression in the circular direction after aging at a temperature of 200 ° C of 450 MPa or more. 6. Толстостенная высокопрочная магистральная труба, изготовленная формованием толстолистовой стали для толстостенной высокопрочной магистральной трубы, обладающей превосходными сопротивлением воздействию кислой среды, сопротивлением смятию и низкотемпературной вязкостью по любому из пп. 1-4, в трубу с последующей дуговой сваркой примыкающих концов, имеющая предел текучести 440 МПа или больше, предел прочности от 500 до 700 МПа и 0,2% напряжение пластического течения при сжатии в круговом направлении после старения при температуре 200°C, равное 450 МПа или больше. 6. Thick-walled high-strength main pipe made by molding of steel plate for a thick-walled high-strength main pipe with excellent acid resistance, crushing resistance and low temperature viscosity according to any one of paragraphs. 1-4, into a pipe followed by arc welding of adjacent ends, having a yield strength of 440 MPa or more, a tensile strength of 500 to 700 MPa and 0.2% stress of plastic flow during compression in a circular direction after aging at a temperature of 200 ° C, equal to 450 MPa or more.
RU2016106920A 2013-08-30 2014-08-29 Sheet steel for a thick-strengthen high-strengthening pipe threading with excellent resistance to acid environment, resistance to smoke and low-temperature viscosity and also a main pipe RU2637202C2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2013180663 2013-08-30
JP2013-180663 2013-08-30
PCT/JP2014/072833 WO2015030210A1 (en) 2013-08-30 2014-08-29 Steel sheet for thick-walled high-strength line pipe having exceptional souring resistance, crush resistance properties, and low-temperature ductility, and line pipe

Publications (2)

Publication Number Publication Date
RU2016106920A true RU2016106920A (en) 2017-10-05
RU2637202C2 RU2637202C2 (en) 2017-11-30

Family

ID=52586756

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2016106920A RU2637202C2 (en) 2013-08-30 2014-08-29 Sheet steel for a thick-strengthen high-strengthening pipe threading with excellent resistance to acid environment, resistance to smoke and low-temperature viscosity and also a main pipe

Country Status (6)

Country Link
EP (1) EP3042976B1 (en)
JP (1) JP5776860B1 (en)
KR (1) KR101730756B1 (en)
CN (1) CN105143487B (en)
RU (1) RU2637202C2 (en)
WO (1) WO2015030210A1 (en)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101647226B1 (en) * 2014-12-24 2016-08-10 주식회사 포스코 Steel plate having excellent fracture resistance and yield ratio, and method for manufacturing the same
JP6354789B2 (en) * 2015-05-29 2018-07-11 Ｊｆｅスチール株式会社 Manufacturing method of steel plate for high strength and high toughness steel pipe and steel plate for high strength and high toughness steel pipe
CN105441799B (en) * 2015-11-25 2017-05-24 武汉钢铁(集团)公司 High-toughness and low-yield-ratio quenched and tempered steel plate used in low-temperature environment and manufacturing method of high-toughness and low-yield-ratio quenched and tempered steel plate
JP6665515B2 (en) * 2015-12-15 2020-03-13 日本製鉄株式会社 Sour-resistant steel plate
CN105543680B (en) * 2015-12-21 2018-01-05 秦皇岛首秦金属材料有限公司 Micro- boron processing tensile strength 700MPa levels Wide and Thick Slab and manufacture method
CN106086641B (en) * 2016-06-23 2017-08-22 江阴兴澄特种钢铁有限公司 A kind of super-huge petroleum storage tank high-strength steel of hydrogen sulfide corrosion resistant and its manufacture method
JP6610520B2 (en) * 2016-11-30 2019-11-27 Ｊｆｅスチール株式会社 Steel sheet pile and manufacturing method thereof
KR101917455B1 (en) * 2016-12-22 2018-11-09 주식회사 포스코 Extremely thick steel having excellent surface part naval research laboratory-drop weight test property
KR101908819B1 (en) 2016-12-23 2018-10-16 주식회사 포스코 High strength steel having excellent fracture initiation resistance and fracture arrestability in low temperature, and method for manufacturing the same
JP6344538B1 (en) * 2017-09-19 2018-06-20 新日鐵住金株式会社 Steel pipe and steel plate
CN111247263B (en) * 2017-10-26 2021-12-28 日本制铁株式会社 Nickel-containing steel for low temperature use
KR102045641B1 (en) * 2017-12-22 2019-11-15 주식회사 포스코 High strength steel for arctic environment having excellent resistance to fracture in low temperature, and method for manufacturing the same
KR101999015B1 (en) * 2017-12-24 2019-07-10 주식회사 포스코 Steel for structure having superior resistibility of brittle crack arrestability and manufacturing method thereof
KR101999022B1 (en) * 2017-12-26 2019-07-10 주식회사 포스코 High strength steel for structure having excellent fatigue crack arrestability and manufacturing method thereof
KR102045654B1 (en) 2017-12-26 2019-11-15 주식회사 포스코 Cold rolled steel sheet having excellent high temperature mechanical properties as well as room temperature workability and method of manufacturing the same
JP6901417B2 (en) * 2018-02-21 2021-07-14 株式会社神戸製鋼所 High-strength steel sheet and high-strength galvanized steel sheet, and their manufacturing method
CN108396256B (en) * 2018-03-05 2020-04-24 白婷婷 High-strength petroleum pipeline steel and preparation method thereof
US20200354808A1 (en) * 2018-03-22 2020-11-12 Nippon Steel Corporation Abrasion resistant steel and method for producing same
CN108646463B (en) * 2018-03-26 2021-07-09 厦门天马微电子有限公司 Backlight module, method for detecting reworking of backlight module and display device
JP6773154B2 (en) * 2018-03-27 2020-10-21 Ｊｆｅスチール株式会社 Evaluation method of pressure resistance crushing characteristics of steel pipe
JP7155702B2 (en) * 2018-07-19 2022-10-19 日本製鉄株式会社 Thick steel plate for sour linepipe and its manufacturing method
CN108914005B (en) * 2018-08-10 2020-11-10 宝武集团鄂城钢铁有限公司 Super-thick corrosion-resistant steel plate with yield strength larger than 460MPa and excellent low-temperature toughness and production method thereof
KR102164107B1 (en) * 2018-11-30 2020-10-13 주식회사 포스코 High strength steel plate having superior elongation percentage and excellent low-temperature toughness, and manufacturing method for the same
JP7248885B2 (en) * 2019-01-24 2023-03-30 日本製鉄株式会社 Steel plate and steel plate manufacturing method
JP7473770B2 (en) 2019-03-26 2024-04-24 日本製鉄株式会社 High ductility steel plate for steel pipes having excellent toughness in welded heat affected zone and manufacturing method thereof, and structural steel pipes having excellent toughness in welded heat affected zone and manufacturing method thereof
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
CN112575158B (en) * 2019-09-29 2022-07-29 宝山钢铁股份有限公司 High-plasticity thick-specification pipeline steel plate and manufacturing method thereof
KR102326109B1 (en) * 2019-12-16 2021-11-16 주식회사 포스코 Steel sheet having excellent resistance of sulfide stress cracking and method of manufacturing the same
JP7295470B2 (en) * 2020-01-17 2023-06-21 日本製鉄株式会社 steel plate and pipe
BR112022023698A2 (en) * 2020-05-26 2022-12-20 Jfe Steel Corp STEEL PIPE COLLAPSE RESISTANCE PREDICTION MODEL GENERATION METHOD, STEEL PIPE COLLAPSE RESISTANCE PREDICTION METHOD, STEEL PIPE MANUFACTURING CHARACTERISTICS DETERMINATION METHOD AND STEEL PIPE MANUFACTURING METHOD
CN114134432B (en) * 2021-05-06 2022-12-06 江阴兴澄特种钢铁有限公司 High-strength steel plate with high tempering resistance and stability produced by TMCP (thermal mechanical control processing) process and manufacturing method thereof
JP7211566B1 (en) * 2021-05-14 2023-01-24 Ｊｆｅスチール株式会社 High-strength hot-rolled steel sheet and manufacturing method thereof, and high-strength electric resistance welded steel pipe and manufacturing method thereof
CN113564485B (en) * 2021-09-24 2021-12-31 江苏省沙钢钢铁研究院有限公司 Steel plate for wind power and production method thereof
KR20230094375A (en) * 2021-12-21 2023-06-28 주식회사 포스코 Steel plate having high strength and excellent low temperature impact toughness and method for manufacturing the same

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05195057A (en) * 1991-07-31 1993-08-03 Kawasaki Steel Corp Production of high cr steel type uoe steel sheet and high cr type atmosphere corrosion resisting steel sheet both excellent in ys characteristic in l direction
JPH05148544A (en) * 1991-11-25 1993-06-15 Nippon Steel Corp Production of high-strength high-toughness steel plate having uniform hardness distribution in thickness direction
JP3116156B2 (en) * 1994-06-16 2000-12-11 新日本製鐵株式会社 Method for producing steel pipe with excellent corrosion resistance and weldability
JPH0841536A (en) 1994-07-29 1996-02-13 Kawasaki Steel Corp Production of high tensile strength steel plate small in nonuniformity of hardness in plate thickness direction and excellent in dwtt property
RU2136776C1 (en) * 1995-02-03 1999-09-10 Ниппон Стил Корпорейшн High-strength steel for main pipelines with low yield factor and high low-temperature ductility
CN1148416A (en) * 1995-02-03 1997-04-23 新日本制铁株式会社 High strength line-pipe steel having low-yield ratio and excullent low-temp toughness
JPH10147845A (en) * 1996-11-19 1998-06-02 Nippon Steel Corp Steel plate with high fatigue strength, and its production
WO2006106591A1 (en) * 2005-04-04 2006-10-12 Nippon Steel Corporation High-strength steel sheet and high-strength welded steel pipe excelling in ductile fracture performance and process for producing them
BRPI0718935B1 (en) * 2006-11-30 2016-08-23 Nippon Steel & Sumitomo Metal Corp Welded pipes for superior high strength pipe at low temperature toughness and production method thereof.
JP5251089B2 (en) * 2006-12-04 2013-07-31 新日鐵住金株式会社 Welded steel pipe for high-strength thick-walled line pipe excellent in low-temperature toughness and manufacturing method
JP5217385B2 (en) * 2007-11-21 2013-06-19 Ｊｆｅスチール株式会社 Steel sheet for high toughness line pipe and method for producing the same
EP2240618B1 (en) * 2007-12-04 2013-01-23 Posco High-strength steel sheet with excellent low temperature toughness and manufacturing method thereof
JP5348383B2 (en) 2008-09-30 2013-11-20 Ｊｆｅスチール株式会社 High toughness welded steel pipe with excellent crushing strength and manufacturing method thereof
JP5348382B2 (en) 2008-09-30 2013-11-20 Ｊｆｅスチール株式会社 A steel plate for high toughness linepipe with a low yield stress reduction due to the Bauschinger effect and a method for producing the same.
BRPI0921647B1 (en) * 2008-11-06 2018-01-09 Nippon Steel & Sumitomo Metal Corporation Method for producing steel sheet and pipeline steel pipe
JP4853575B2 (en) * 2009-02-06 2012-01-11 Ｊｆｅスチール株式会社 High strength steel pipe for low temperature excellent in buckling resistance and weld heat affected zone toughness and method for producing the same
JP5439889B2 (en) * 2009-03-25 2014-03-12 Ｊｆｅスチール株式会社 Thick steel plate for thick and high toughness steel pipe material and method for producing the same
JP5381234B2 (en) * 2009-03-31 2014-01-08 Ｊｆｅスチール株式会社 Manufacturing method of line pipe with high compressive strength
CN102666898A (en) 2009-11-25 2012-09-12 杰富意钢铁株式会社 Welded steel pipe for linepipe with superior compressive strength, and process for producing same
JP5509897B2 (en) 2010-02-10 2014-06-04 セイコーエプソン株式会社 Manufacturing method of conveyance roller

Also Published As

Publication number Publication date
CN105143487A (en) 2015-12-09
RU2637202C2 (en) 2017-11-30
EP3042976A4 (en) 2017-05-10
KR101730756B1 (en) 2017-04-26
EP3042976B1 (en) 2020-05-13
WO2015030210A1 (en) 2015-03-05
JP5776860B1 (en) 2015-09-09
EP3042976A1 (en) 2016-07-13
CN105143487B (en) 2017-03-08
KR20150139950A (en) 2015-12-14
JPWO2015030210A1 (en) 2017-03-02

Similar Documents

Publication Publication Date Title
RU2016106920A (en) SHEET STEEL FOR A THICK-WALLED HIGH-STRENGTH MAIN PIPE, POSSESSING EXCELLENT RESISTANCE TO ACID ENVIRONMENT, CROSSING RESISTANCE AND LOW-TERM VERY SEVERE TOUCH.
RU2013155176A (en) ELEMENT ABSORBING ENERGY IN THE COLLISION OF VEHICLES WITH EXCELLENT ENERGY-ABSORBING CHARACTERISTICS, AND ALSO WAY OF ITS MANUFACTURE
ES2749234T3 (en) Austenitic stainless steel with high manganese content
MX350016B (en) Steel sheet with high mechanical strength, ductility and formability properties, production method and use of such sheets.
MX2016001013A (en) Steel sheet having very high mechanical properties of strength and ductility, manufacturing method and use of such sheets.
MX2014000919A (en) High-strength steel sheet having superior impact resistance, method for producing same, high-strength galvanized steel sheet, and method for producing same.
UA116699C2 (en) Martensitic steel with delayed fracture resistance and manufacturing method
MX367060B (en) Cold-rolled steel sheet and manufacturing method for same.
BR112013031500B8 (en) cold-rolled coated steel sheet manufacturing process a cold-rolled coated steel sheet manufacturing process of one-piece fabrication by welding at least one cold-rolled coated steel sheet and use of a cold-rolled coated steel sheet
MX2013011154A (en) Abrasion-resistant steel sheet exhibiting excellent resistance to stress corrosion cracking, and method for producing same.
MX2013013145A (en) Steel for automotive suspension spring component, automotive suspension spring component, and manufacturing method for same.
WO2017082687A8 (en) Non-quenched and tempered wire rod having excellent cold workability and manufacturing method therefor
RU2015101733A (en) SEAMLESS PIPE FROM HIGH-STRENGTH STAINLESS STEEL WITH HIGH CORROSION RESISTANCE FOR OIL WELL AND METHOD FOR PRODUCING IT
WO2015088040A8 (en) Steel plate and method for manufacturing same
MY176531A (en) Austenitic stainless clad steel plate and method for producing thereof
WO2016105064A8 (en) High-strength steel having superior brittle crack arrestability, and production method therefor
RU2014126350A (en) MARTENSITY STEELS WITH STRENGTH AT TENSION 1700 - 2200 MPa
PH12017500557A1 (en) Steel sheet for cans and method for manufacturing steel sheet for cans
RU2015150123A (en) THERMALLY PROCESSED STEEL MATERIAL AND METHOD FOR ITS MANUFACTURE
IN2014KN01170A (en)
RU2012117531A (en) HIGH-STRENGTH STEEL SHEET OBTAINED BY THE HOT ROLLING METHOD, HAVING GOOD FORMABILITY, AND METHOD FOR PRODUCING IT
WO2016047023A8 (en) Steel strip for electric-resistance-welded steel pipe or tube, electric-resistance-welded steel pipe or tube, and process for producing steel strip for electric-resistance-welded steel pipe or tube
WO2017111443A8 (en) High-strength structural steel sheet having excellent heat treatment resistance and manufacturing method thereof
MX2017012242A (en) Parts with a bainitic structure having high strength properties and manufacturing process.
BR112017005537A2 (en) steel material and expandable oil tubular products

Legal Events

Date Code Title Description
PD4A Correction of name of patent owner