RU2011141268A - THICK-STEEL STEEL RESISTANT TO HYDROGEN CRACKING AND THE STEEL PIPE MADE BY UOE TECHNOLOGY - Google Patents

THICK-STEEL STEEL RESISTANT TO HYDROGEN CRACKING AND THE STEEL PIPE MADE BY UOE TECHNOLOGY Download PDF

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Publication number
RU2011141268A
RU2011141268A RU2011141268/02A RU2011141268A RU2011141268A RU 2011141268 A RU2011141268 A RU 2011141268A RU 2011141268/02 A RU2011141268/02 A RU 2011141268/02A RU 2011141268 A RU2011141268 A RU 2011141268A RU 2011141268 A RU2011141268 A RU 2011141268A
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Russia
Prior art keywords
steel
segregation
degree
segregation rate
pipe made
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RU2011141268/02A
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Russian (ru)
Inventor
Нобуаки Такахаси
Акио ЯМАМОТО
Идзуру МИНАТО
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Сумитомо Метал Индастриз, Лтд.
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Publication of RU2011141268A publication Critical patent/RU2011141268A/en

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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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/08—Making tubes with welded or soldered seams
    • 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
    • C21D1/06—Surface hardening
    • 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
    • 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

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  • 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)
  • Rigid Pipes And Flexible Pipes (AREA)

Abstract

1. Толстолистовая сталь, которая обладает повышенной устойчивостью к HIC, отличающаяся тем, что имеет химический состав, состоящий в основном из, мас.%: C: 0,02-0,07, Si: 0,05-0,50, Mn: 1,1-1,6, P: самое большее 0,015, S: самое большее 0,002, Nb: 0,005-0,060, Ti: 0,005-0,030, Al: 0,005-0,06, Ca: 0,0005-0,0060, N: 0,0015-0,007, по меньшей мере одного элемента из Cu, Ni, Cr и Mo в количестве, удовлетворяющем Уравнению (1), V: 0-0,10% и остатка из Fe и примесей, в которой степень сегрегации Nb составляет самое большее 2,0, отношение α степени сегрегации Nb к степени сегрегации Mn (α = степень сегрегации Nb/степень сегрегации Mn) составляет по меньшей мере 1,0 и самое большее 1,5, степень сегрегации Ti составляет самое большее 2,0, и отношение β степени сегрегации Ti к степени сегрегации Mn (β = степень сегрегации Ti/степень сегрегации Mn) составляет по меньшей мере 1,0 и самое большее 1,5:0,1%<(Cu+Ni+Cr+Mo)<1,5% (I),где символы элементов в данном уравнении обозначают содержание (в массовых процентах) каждого элемента.2. Толстолистовая сталь по п.1, в которой химический состав включает 0,01-0,10% V.3. Стальная труба, изготовленная по технологии UOE, отличающаяся тем, что она изготовлена из толстолистовой стали по п.1 или 2.1. Plate steel, which has increased resistance to HIC, characterized in that it has a chemical composition consisting mainly of, wt.%: C: 0.02-0.07, Si: 0.05-0.50, Mn : 1.1-1.6, P: at most 0.015, S: at most 0.002, Nb: 0.005-0.060, Ti: 0.005-0.030, Al: 0.005-0.06, Ca: 0.0005-0.0060 , N: 0.0015-0.007, of at least one element of Cu, Ni, Cr and Mo in an amount satisfying Equation (1), V: 0-0.10%, and a residue of Fe and impurities in which the degree of segregation Nb is at most 2.0, the ratio α of the Nb segregation rate to the Mn segregation rate (α = Nb segregation rate / Mn segregation rate) is at least 1.0 and at most 1.5, the Ti segregation rate is at most 2, 0, and the ratio β of the Ti segregation rate to the Mn segregation rate (β = Ti segregation rate / Mn segregation rate) is at least 1.0 and at most 1.5: 0.1% <(Cu + Ni + Cr + Mo ) <1.5% (I), where the symbols of the elements in this equation denote the content (in mass x percent) of each element. 2. Steel plate according to claim 1, wherein the chemical composition comprises 0.01-0.10% V.3. Steel pipe made using UOE technology, characterized in that it is made from plate steel according to claim 1 or 2.

Claims (3)

1. Толстолистовая сталь, которая обладает повышенной устойчивостью к HIC, отличающаяся тем, что имеет химический состав, состоящий в основном из, мас.%: C: 0,02-0,07, Si: 0,05-0,50, Mn: 1,1-1,6, P: самое большее 0,015, S: самое большее 0,002, Nb: 0,005-0,060, Ti: 0,005-0,030, Al: 0,005-0,06, Ca: 0,0005-0,0060, N: 0,0015-0,007, по меньшей мере одного элемента из Cu, Ni, Cr и Mo в количестве, удовлетворяющем Уравнению (1), V: 0-0,10% и остатка из Fe и примесей, в которой степень сегрегации Nb составляет самое большее 2,0, отношение α степени сегрегации Nb к степени сегрегации Mn (α = степень сегрегации Nb/степень сегрегации Mn) составляет по меньшей мере 1,0 и самое большее 1,5, степень сегрегации Ti составляет самое большее 2,0, и отношение β степени сегрегации Ti к степени сегрегации Mn (β = степень сегрегации Ti/степень сегрегации Mn) составляет по меньшей мере 1,0 и самое большее 1,5:1. Steel plate, which has a high resistance to HIC, characterized in that it has a chemical composition consisting mainly of, wt.%: C: 0.02-0.07, Si: 0.05-0.50, Mn : 1.1-1.6, P: at most 0.015, S: at most 0.002, Nb: 0.005-0.060, Ti: 0.005-0.030, Al: 0.005-0.06, Ca: 0.0005-0.0060 , N: 0.0015-0.007, of at least one element of Cu, Ni, Cr and Mo in an amount satisfying Equation (1), V: 0-0.10% and a residue of Fe and impurities in which the degree of segregation Nb is at most 2.0, the ratio of α degree of segregation of Nb to degree of segregation of Mn (α = degree of segregation of Nb / degree of segregation of Mn) is is at least 1.0 and at most 1.5, the degree of Ti segregation is at most 2.0, and the ratio of β degree of Ti segregation to degree of segregation Mn (β = degree of segregation of Ti / degree of segregation of Mn) is at least 1 0 and at most 1.5: 0,1%<(Cu+Ni+Cr+Mo)<1,5% (I),0.1% <(Cu + Ni + Cr + Mo) <1.5% (I), где символы элементов в данном уравнении обозначают содержание (в массовых процентах) каждого элемента.where the symbols of the elements in this equation denote the content (in mass percent) of each element. 2. Толстолистовая сталь по п.1, в которой химический состав включает 0,01-0,10% V.2. Plate steel according to claim 1, in which the chemical composition comprises 0.01-0.10% V. 3. Стальная труба, изготовленная по технологии UOE, отличающаяся тем, что она изготовлена из толстолистовой стали по п.1 или 2. 3. Steel pipe manufactured by UOE technology, characterized in that it is made of plate steel according to claim 1 or 2.
RU2011141268/02A 2009-03-12 2010-03-12 THICK-STEEL STEEL RESISTANT TO HYDROGEN CRACKING AND THE STEEL PIPE MADE BY UOE TECHNOLOGY RU2011141268A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2009-059639 2009-03-12
JP2009059639 2009-03-12
PCT/JP2010/054173 WO2010104165A1 (en) 2009-03-12 2010-03-12 Hic-resistant thick steel sheet and uoe steel pipe

Publications (1)

Publication Number Publication Date
RU2011141268A true RU2011141268A (en) 2013-04-20

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Country Link
US (1) US20120121453A1 (en)
EP (1) EP2407570A4 (en)
JP (1) JPWO2010104165A1 (en)
KR (1) KR20110123807A (en)
CN (1) CN102421926A (en)
CA (1) CA2755271A1 (en)
RU (1) RU2011141268A (en)
WO (1) WO2010104165A1 (en)

Families Citing this family (9)

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JP5177310B2 (en) 2011-02-15 2013-04-03 Ｊｆｅスチール株式会社 High tensile strength steel sheet with excellent low temperature toughness of weld heat affected zone and method for producing the same
JP6044247B2 (en) * 2011-12-13 2016-12-14 Ｊｆｅスチール株式会社 Method for evaluating the resistance to hydrogen cracking of steel materials and steel sheets for high strength sour line pipes with good resistance to hydrogen cracking
JP5565420B2 (en) * 2012-02-02 2014-08-06 新日鐵住金株式会社 UOE steel pipe for line pipe
KR101982014B1 (en) * 2012-06-18 2019-05-24 제이에프이 스틸 가부시키가이샤 Thick, high-strength, sour-resistant line pipe, method for producing same and method for judging resistance to hic of the same
IN2014KN02973A (en) * 2012-07-09 2015-05-08 Jfe Steel Corp
WO2014024234A1 (en) * 2012-08-10 2014-02-13 Nippon Steel & Sumitomo Metal Corporation Steel plate for high strength steel pipe and high strength steel pipe
CN112760464A (en) * 2019-10-21 2021-05-07 宝山钢铁股份有限公司 Normalizing type low-yield-ratio UOE welded pipe and manufacturing method thereof
CN113462885A (en) * 2021-06-07 2021-10-01 山西太钢不锈钢股份有限公司 Dynamic positioning method applied to narrow space of heating furnace
CN117358778B (en) * 2023-12-08 2024-03-08 成都先进金属材料产业技术研究院股份有限公司 Titanium alloy seamless tube and preparation method thereof

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JPH07173536A (en) * 1993-12-16 1995-07-11 Nippon Steel Corp Production of steel sheet for high strength line pipe excellent in sour resistance
JPH09209037A (en) * 1996-01-31 1997-08-12 Nkk Corp Production of high strength steel plate for line pipe excellent in hic resistance
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Publication number Publication date
JPWO2010104165A1 (en) 2012-09-13
US20120121453A1 (en) 2012-05-17
CN102421926A (en) 2012-04-18
KR20110123807A (en) 2011-11-15
WO2010104165A1 (en) 2010-09-16
CA2755271A1 (en) 2010-09-16
EP2407570A4 (en) 2016-06-22
EP2407570A1 (en) 2012-01-18

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