EP1705260B1 - Acier - Google Patents

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Publication number
EP1705260B1
EP1705260B1 EP04775251A EP04775251A EP1705260B1 EP 1705260 B1 EP1705260 B1 EP 1705260B1 EP 04775251 A EP04775251 A EP 04775251A EP 04775251 A EP04775251 A EP 04775251A EP 1705260 B1 EP1705260 B1 EP 1705260B1
Authority
EP
European Patent Office
Prior art keywords
steel
nickel
manganese
molybdenum
phosphorus
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
EP04775251A
Other languages
German (de)
English (en)
Other versions
EP1705260A4 (fr
EP1705260A1 (fr
Inventor
Sergey Vladimirovich Golovin
Sergey Vladimirovich Goshkadera
Alexey Vladimirovich Dub
Vladimir Semenovich Dub
Alexandr Sergeevich Loboda
Sergey Ivanovich Markov
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kilkenny Industries Sa (bvi)
Original Assignee
Kilkenny Industries Sa (bvi)
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 Kilkenny Industries Sa (bvi) filed Critical Kilkenny Industries Sa (bvi)
Publication of EP1705260A1 publication Critical patent/EP1705260A1/fr
Publication of EP1705260A4 publication Critical patent/EP1705260A4/fr
Application granted granted Critical
Publication of EP1705260B1 publication Critical patent/EP1705260B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
    • 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
    • C22C38/18—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

Definitions

  • steel can be used for the production of oil pipelines, natural gas pipelines, product pipelines, offshore platforms, welded structures and containers which can operate under pressure, different equipment and its component parts operating in temperatures from - 100°C to +450°C.
  • This steel has all properties required for the production of oil pipelines, natural gas pipelines, product pipelines and other welded structures which can operate in temperatures from -100°C to +450°C.
  • such steel has strength properties which are insufficient for the manufacture of the above and other products made of steel sheets above 20 mm thick. This drawback can be eliminated by way of increasing hardening characteristics through higher content of alloying agents; nevertheless such steel may demonstrate brittle behavior.
  • This invention is aimed at improvement of steel strength properties.
  • the result of this invention is as follows: sheets and billets up to 50 mm thick with the following properties: yield stress above 550 N/mm 2 , breaking strength above 620 N/mm 2 ; preserving high ductility in temperatures down to -100°C, resistance to brittle behavior during manufacture and operation, good weldability in factory and field environment.
  • the steel containing carbon, manganese, silicium, chrome, nickel, vanadium, niobium, titanium, aluminium, calcium, sulphur, phosphorus, nitrogen, copper, stibium, stannum, arsenic and iron additionally includes molybdenum, with the following component ratio (weight, %): Carbon 0.02-0.11 Manganese 0.10-1.8 Silicium 0.06-0.6 Chrome 0.005-0.30 Nickel 0.005-1.0 Vanadium 0.01-0.12 Niobium 0.02-0.1 Titanium 0.01-0.04 Aluminium 0.01-0.05 Calcium 0.0005-0.008 Sulphur 0.0005-0.008 Phosphorus 0.001-0.012 Nitrogen 0.001-0.012 Copper 0.005-0.25 Stibium 0.0001-0.005 Stannum 0.0001-0.007 Arsenic 0.0001-0.008 Molybdenum 0.0001-0.5 Iron remaining share
  • total content of nickel and manganese is related to molybdenum and phosphorus content (weight. %) according to the following equation: Ni + Mn 1 + Mo ⁇ P ⁇ 0.03
  • the above mentioned nickel, manganese, molybdenum and phosphorus limits in steel supported by the enumerated ration of components provide both improved hardening characteristics for steel sheets up to 50 mm thick, high values of strength and ductility in low temperatures (down to -100°C) and elimination of embrittlement in the process of manufacture and use of products made from these sheets.
  • Table 1 shows the chemical composition of three heats of this steel in comparison with a known composition of steel. Compositions have been selected in such a way so as to estimate molybdenum and nickel contribution to steel sheet strength.
  • Furnace charge consisted of armco iron and, depending on variant of composition, of nickel, ferromolybdenum, copper and other charge materials.
  • charge meltdown was started. After complete meltdown and metal heating up to 1630-1650°C the charge was degasified and the required predetermined amounts of manganese, ferrovanadium and ferroniobium were added to the molten pool; then deoxidizing agents (ferrosilicium, aluminium and ferrotitanium) were added.
  • Table 2 shows the properties of these heats in comparison with heats of a known composition whose C eq is equal to 0.37.
  • the obtained results demonstrate that the new steel of the above composition possesses the required strength properties in 50-mm cross-sections and high ductility in low temperatures.
  • the ratio between the total content of nickel and manganese and the concentration of molybdenum and phosphorus for heats 1, 2 and 3 is 0.01, 0.0057 and 0.0064, respectively, i.e. less than 0.03.
  • Table 1 Chemical composition of three heats of the proposed steel in comparison with a known composition of steel.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Steel (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Lubricants (AREA)
  • Earth Drilling (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Materials For Medical Uses (AREA)

Claims (1)

  1. Acier contenant du carbone, manganèse, silicium, chrome, nickel, vanadium, niobium, titane, aluminium, soufre, phosphore, azote, cuivre, antimoine, étain, arsenic et fer, sa caractéristique distinctive étant la teneur supplémentaire en molybdène, avec le rapport de composants (% en poids) suivant : Carbone 0,02 - 0,11 Manganèse 0,10 - 1,8 Silicium 0,06 - 0,6 Chrome 0,005 - 0,30 Nickel 0,005 - 1,0 Vanadium 0,01 - 0,12 Niobium 0,02 - 0,1 Titane 0,01 - 0,04 Aluminium 0,01 - 0,05 Calcium 0,0005 - 0,008 Soufre 0,0005 - 0,008 Phosphore 0,001 - 0,012 Azote 0,001 - 0,012 Cuivre 0,005 - 0,25 Antimoine 0,0001 - 0,005 Etain 0,0001 - 0,007 Arsenic 0,0001 - 0,008 Molybdène 0,0001 - 0,5 Fer part résiduelle,
    cela étant, la teneur totale en nickel et en manganèse est liée à la teneur en molybdène et phosphore (% en poids) selon l'équation suivants : Ni + Mn 1 + Mo ⋅ P < 0 , 03
    Figure imgb0006
EP04775251A 2003-12-30 2004-08-06 Acier Expired - Lifetime EP1705260B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
RU2003137757/02A RU2241780C1 (ru) 2003-12-30 2003-12-30 Сталь
PCT/RU2004/000307 WO2005064032A1 (fr) 2003-12-30 2004-08-06 Acier

Publications (3)

Publication Number Publication Date
EP1705260A1 EP1705260A1 (fr) 2006-09-27
EP1705260A4 EP1705260A4 (fr) 2008-08-13
EP1705260B1 true EP1705260B1 (fr) 2010-07-07

Family

ID=34388745

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04775251A Expired - Lifetime EP1705260B1 (fr) 2003-12-30 2004-08-06 Acier

Country Status (9)

Country Link
EP (1) EP1705260B1 (fr)
JP (1) JP2007517139A (fr)
KR (1) KR20070008543A (fr)
CN (1) CN100513622C (fr)
AT (1) ATE473310T1 (fr)
DE (1) DE602004028045D1 (fr)
RU (1) RU2241780C1 (fr)
UA (2) UA78268C2 (fr)
WO (1) WO2005064032A1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2252972C1 (ru) * 2004-06-07 2005-05-27 Закрытое акционерное общество Научно-производственное объединение "ПОЛИМЕТАЛЛ" Труба для нефте-, газо- и продуктопроводов и способ ее производства
CN101538679B (zh) * 2009-04-17 2010-09-29 钢铁研究总院 一种微合金化易焊接增氮钢
CN102206787B (zh) * 2011-04-28 2014-06-11 广东省韶关钢铁集团有限公司 一种单位轧制力低于18kN/mm的低轧制力输气管线钢材及其生产方法
CN102181807B (zh) * 2011-05-09 2012-12-12 武汉钢铁(集团)公司 一种-50℃核电承压设备用钢及生产方法
CN103352179B (zh) * 2013-06-24 2015-12-02 浙江浦宁不锈钢有限公司 一种含碳合金
CN104789885A (zh) * 2015-04-23 2015-07-22 苏州劲元油压机械有限公司 一种耐腐蚀不锈钢输油管及其加工工艺
CN106868422A (zh) * 2015-12-14 2017-06-20 泸州沱江液压件有限公司 一种耐低温耐腐蚀的高强度材料钢
CN107236909B (zh) * 2017-06-16 2019-06-18 武汉钢铁有限公司 可用于-60℃低温环境的高强度、高韧性耐腐蚀钢及其生产方法
CN107626546A (zh) * 2017-09-26 2018-01-26 烟台史密得机电设备制造有限公司 一种静电喷涂淬水冷却装置
CN113817965A (zh) * 2021-09-02 2021-12-21 江苏伟建工具科技有限公司 一种高韧性高速钢及其制备方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5431019A (en) * 1977-08-12 1979-03-07 Kawasaki Steel Co Steel material having good resistance to hydrogenninduceddcracking
JPS589926A (ja) * 1981-07-09 1983-01-20 Kawasaki Steel Corp 低温靭性にすぐれたａｐｉ規格ｘ８０級鋼管の製造方法
US5545269A (en) * 1994-12-06 1996-08-13 Exxon Research And Engineering Company Method for producing ultra high strength, secondary hardening steels with superior toughness and weldability
RU2136776C1 (ru) * 1995-02-03 1999-09-10 Ниппон Стил Корпорейшн Высокопрочная сталь для магистральных трубопроводов, имеющая низкий коэффициент текучести и повышенную низкотемпературную вязкость
RU2210603C2 (ru) * 1997-07-28 2003-08-20 Эксонмобил Апстрим Рисерч Компани Способ получения сверхвысокопрочных свариваемых сталей
RU2141002C1 (ru) * 1999-02-15 1999-11-10 Открытое акционерное общество "Акционерная компания "Транснефть" Сталь
JP2001064749A (ja) * 1999-08-27 2001-03-13 Kawasaki Steel Corp 溶接ｈａｚ部の靱性に優れた耐ｈｉｃ非調質高張力鋼材
JP4071906B2 (ja) * 1999-11-24 2008-04-02 新日本製鐵株式会社 低温靱性の優れた高張力ラインパイプ用鋼管の製造方法
RU2180691C1 (ru) * 2000-09-04 2002-03-20 Акционерное общество закрытого типа Научно-производственное объединение "Полиметалл" Труба для нефтегазопродуктопроводов и способ ее производства

Also Published As

Publication number Publication date
DE602004028045D1 (de) 2010-08-19
CN1926257A (zh) 2007-03-07
UA78268C2 (uk) 2007-03-15
CN100513622C (zh) 2009-07-15
KR20070008543A (ko) 2007-01-17
WO2005064032A1 (fr) 2005-07-14
WO2005064032A8 (fr) 2006-11-02
UA8385U (en) 2005-08-15
RU2241780C1 (ru) 2004-12-10
JP2007517139A (ja) 2007-06-28
EP1705260A4 (fr) 2008-08-13
EP1705260A1 (fr) 2006-09-27
ATE473310T1 (de) 2010-07-15

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