[go: up one dir, main page]

WO2009038160A1 - 高圧水素ガス環境用低合金鋼および高圧水素用容器 - Google Patents

高圧水素ガス環境用低合金鋼および高圧水素用容器 Download PDF

Info

Publication number
WO2009038160A1
WO2009038160A1 PCT/JP2008/066957 JP2008066957W WO2009038160A1 WO 2009038160 A1 WO2009038160 A1 WO 2009038160A1 JP 2008066957 W JP2008066957 W JP 2008066957W WO 2009038160 A1 WO2009038160 A1 WO 2009038160A1
Authority
WO
WIPO (PCT)
Prior art keywords
pressure hydrogen
alloy steel
low alloy
less
gas environment
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.)
Ceased
Application number
PCT/JP2008/066957
Other languages
English (en)
French (fr)
Inventor
Tomohiko Omura
Mitsuo Miyahara
Hiroyuki Semba
Masaaki Igarashi
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.)
Nippon Steel Corp
Original Assignee
Sumitomo Metal Industries Ltd
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 Sumitomo Metal Industries Ltd filed Critical Sumitomo Metal Industries Ltd
Priority to EP08832156.7A priority Critical patent/EP2192204B1/en
Priority to KR1020107005316A priority patent/KR101187511B1/ko
Priority to CA2695688A priority patent/CA2695688C/en
Priority to CN2008801078646A priority patent/CN101821417B/zh
Publication of WO2009038160A1 publication Critical patent/WO2009038160A1/ja
Priority to US12/470,888 priority patent/US8663400B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/02Ferrous alloys, e.g. steel alloys containing silicon
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/001Ferrous alloys, e.g. steel alloys containing N
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/002Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/04Ferrous alloys, e.g. steel alloys containing manganese
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/06Ferrous alloys, e.g. steel alloys containing aluminium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/12Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/14Ferrous alloys, e.g. steel alloys containing titanium or zirconium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/32Ferrous alloys, e.g. steel alloys containing chromium with boron
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30Hydrogen technology
    • Y02E60/32Hydrogen storage

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)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Heat Treatment Of Articles (AREA)

Abstract

 質量%で、C:0.15~0.60%、Si:0.05~0.5%、Mn:0.05~3.0%、P:0.025%以下、S:0.010%以下、Al:0.005~0.10%、Mo:0.5~3.0%、V:0.05~0.30%、O(酸素):0.01%以下およびN:0.03%以下を含有し、残部Fe及び不純物であり、かつ引張強さが900MPa以上である高圧水素ガス環境用低合金鋼。この低合金鋼は、0.0003~0.003%のBを含有させることが望ましいが、この場合にはNは0.010%以下に制限する。また、Cr、Nb、Ti、ZrおよびCaのうちの1種以上を含有することが望ましい。MoおよびVの含有量は、下記(1)式を満足することが望ましい。   [Mo(%)]・[V(%)]0.2≧0.32    (1)
PCT/JP2008/066957 2007-09-19 2008-09-19 高圧水素ガス環境用低合金鋼および高圧水素用容器 Ceased WO2009038160A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP08832156.7A EP2192204B1 (en) 2007-09-19 2008-09-19 Container for high-pressure hydrogen and use of a low alloy steel for high-pressure hydrogen gas environment
KR1020107005316A KR101187511B1 (ko) 2007-09-19 2008-09-19 고압 수소 가스 환경용 저합금강 및 고압 수소용 용기
CA2695688A CA2695688C (en) 2007-09-19 2008-09-19 Low alloy steel for high-pressure hydrogen gas environment and container for high-pressure hydrogen
CN2008801078646A CN101821417B (zh) 2007-09-19 2008-09-19 高压氢气环境用低合金钢和高压氢用容器
US12/470,888 US8663400B2 (en) 2007-09-19 2009-06-12 Low alloy steel for high-pressure hydrogen gas environment and container for high-pressure hydrogen

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007242973A JP4251229B1 (ja) 2007-09-19 2007-09-19 高圧水素ガス環境用低合金鋼および高圧水素用容器
JP2007-242973 2007-09-19

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/470,888 Continuation US8663400B2 (en) 2007-09-19 2009-06-12 Low alloy steel for high-pressure hydrogen gas environment and container for high-pressure hydrogen

Publications (1)

Publication Number Publication Date
WO2009038160A1 true WO2009038160A1 (ja) 2009-03-26

Family

ID=40467969

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/066957 Ceased WO2009038160A1 (ja) 2007-09-19 2008-09-19 高圧水素ガス環境用低合金鋼および高圧水素用容器

Country Status (7)

Country Link
US (1) US8663400B2 (ja)
EP (1) EP2192204B1 (ja)
JP (1) JP4251229B1 (ja)
KR (1) KR101187511B1 (ja)
CN (1) CN101821417B (ja)
CA (1) CA2695688C (ja)
WO (1) WO2009038160A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2439303A4 (en) * 2009-06-05 2015-09-02 Kobe Steel Ltd STEEL FOR THE FORMATION OF MECHANICAL STRUCTURES
JP2019183218A (ja) * 2018-04-06 2019-10-24 日本製鉄株式会社 高圧水素容器、及び、高圧水素用鋼材

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5201625B2 (ja) * 2008-05-13 2013-06-05 株式会社日本製鋼所 耐高圧水素環境脆化特性に優れた高強度低合金鋼およびその製造方法
JP5353501B2 (ja) * 2008-07-09 2013-11-27 新日鐵住金株式会社 耐水素性に優れた常温高圧水素ガス貯蔵鋼製容器およびその製造方法
FR2942808B1 (fr) 2009-03-03 2011-02-18 Vallourec Mannesmann Oil & Gas Acier faiblement allie a limite d'elasticite elevee et haute resistance a la fissuration sous contrainte par les sulfures.
JP4528346B2 (ja) * 2009-04-28 2010-08-18 ファーバー・インダストリー・エッセ・ピ・ア Cr−Mo鋼製ライナーを用いた高圧水素貯蔵用FRP容器
WO2011129567A2 (ko) * 2010-04-15 2011-10-20 Cho Keon-Hwan 기체보관용기, 수소충전방법 및 수소충전장치
CN102094150B (zh) * 2011-03-09 2012-08-22 莱芜钢铁集团有限公司 一种特厚耐高温压力容器钢及其制备方法
WO2013018893A1 (ja) * 2011-08-03 2013-02-07 新日鐵住金株式会社 熱間鍛造用非調質鋼および熱間鍛造非調質品、ならびにその製造方法
EP2865775B1 (en) 2012-06-20 2018-08-08 Nippon Steel & Sumitomo Metal Corporation Steel for oil well pipe, oil well pipe, and method for producing same
EP2915896B1 (en) * 2012-11-05 2018-08-08 Nippon Steel & Sumitomo Metal Corporation Low-alloy steel for oil well pipes which has excellent sulfide stress cracking resistance, and method for manufacturing low-alloy steel for oil well pipes
JP6149435B2 (ja) * 2013-03-12 2017-06-21 新日鐵住金株式会社 高圧水素ガス用低合金鋼および高圧水素用蓄圧器
EP2980246B1 (en) 2013-03-29 2019-01-09 JFE Steel Corporation Steel material and hydrogen container as well as manufacturing methods therefor
CA2907514C (en) 2013-03-29 2017-09-12 Jfe Steel Corporation Steel structure for hydrogen gas, method for producing hydrogen storage tank, and method for producing hydrogen line pipe
EP2990714B1 (en) * 2013-04-26 2018-11-21 JFE Steel Corporation Accumulator
JP6303866B2 (ja) * 2014-06-26 2018-04-04 新日鐵住金株式会社 高強度鋼材およびその製造方法
WO2016147594A1 (ja) 2015-03-16 2016-09-22 Jfeスチール株式会社 複合容器蓄圧器ライナー用鋼材、複合容器蓄圧器ライナー用鋼管、および複合容器蓄圧器ライナー用鋼管の製造方法
JP6554844B2 (ja) * 2015-03-18 2019-08-07 日本製鉄株式会社 高圧水素用容器の製造方法
CN104988396B (zh) * 2015-07-03 2017-12-12 嵊州北航投星空众创科技有限公司 一种含锆起重机悬臂
CN108026619A (zh) * 2015-09-17 2018-05-11 杰富意钢铁株式会社 高压氢气中的耐氢脆化特性优异的氢用钢结构物及其制造方法
US10272960B2 (en) 2015-11-05 2019-04-30 Caterpillar Inc. Nitrided track pin for track chain assembly of machine
CN107287506B (zh) * 2016-03-31 2019-02-26 鞍钢股份有限公司 一种650MPa级中温中压锅炉钢板及其生产方法
JP6648646B2 (ja) * 2016-07-20 2020-02-14 日本製鉄株式会社 低合金鋼材、低合金鋼管および容器、ならびにその容器の製造方法
JP6648647B2 (ja) * 2016-07-20 2020-02-14 日本製鉄株式会社 低合金鋼材、低合金鋼管および容器、ならびにその容器の製造方法
EP3498875B1 (en) 2016-08-12 2021-04-21 JFE Steel Corporation Composite pressure vessel liner, composite pressure vessel, and method for producing composite pressure vessel liner
US11168375B2 (en) 2016-09-21 2021-11-09 Jfe Steel Corporation Steel pipe or tube for pressure vessels, method of producing steel pipe or tube for pressure vessels, and composite pressure vessel liner
JP6593395B2 (ja) * 2016-09-21 2019-10-23 Jfeスチール株式会社 蓄圧器用ライナー、蓄圧器、複合容器蓄圧器、および蓄圧器用ライナーの製造方法
KR102551610B1 (ko) 2018-12-26 2023-07-04 제이에프이 스틸 가부시키가이샤 고압 수소 가스 환경용 강재 및 고압 수소 가스 환경용 강 구조물 그리고 고압 수소 가스 환경용 강재의 제조 방법
DE102019217369A1 (de) * 2019-11-11 2021-05-12 Robert Bosch Gmbh Umwandlungsträge Stahllegierung, Verfahren zur Herstellung der umwandlungsträgen Stahllegierung und Wasserstoffspeicher mit einer Komponente aus der umwandlungsträgen Stahllegierung
KR20230084555A (ko) * 2020-11-02 2023-06-13 우수이 고쿠사이 산교 가부시키가이샤 고압 수소 배관용 강관 및 그것을 이용한 고압 수소 배관
EP4032999B1 (de) * 2021-01-20 2024-04-24 Poppe & Potthoff GmbH Wasserstoffverteilsystem und bauteile mit niedrigem gewicht
EP4578564A1 (en) 2022-09-29 2025-07-02 JFE Steel Corporation Steel pipe for line pipe having excellent hydrogen embrittlement resistance characteristics, method of manufacturing same, steel material for line pipe, and method of manufacturing same
JPWO2024071356A1 (ja) 2022-09-29 2024-04-04
AU2023352244A1 (en) 2022-09-29 2025-03-13 Jfe Steel Corporation Steel pipe with good fatigue property in hydrogen and method for producing the same, and steel material and method for producing the same
EP4578978A4 (en) 2022-09-29 2025-12-17 Jfe Steel Corp STEEL MATERIAL WITH EXCELLENT HYDROGEN FATIGUE CHARACTERISTICS AND A METHOD FOR MANUFACTURED THEREOF, AND STEEL TUBE AND A METHOD FOR MANUFACTURED THEREOF
JPWO2024071357A1 (ja) 2022-09-29 2024-04-04
KR20240096156A (ko) 2022-12-19 2024-06-26 주식회사 포스코 고압수소 저장용기용 강재 및 그 제조방법
KR102838555B1 (ko) 2022-12-20 2025-07-25 주식회사 포스코 수소가스 압력용기용 강재 및 그 제조방법
AU2024231754A1 (en) 2023-03-07 2025-07-31 Jfe Steel Corporation High-strength seamless steel pipe for high-pressure hydrogen container and method for manufacturing the same
JP7759015B2 (ja) 2023-08-07 2025-10-23 日本製鉄株式会社 鋼材
KR20250031076A (ko) 2023-08-25 2025-03-06 주식회사 포스코 강재 및 그 제조방법

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6247458A (ja) * 1985-08-26 1987-03-02 Kobe Steel Ltd 高温高圧水素雰囲気下で使用される耐水素アタツク性圧力容器
JPS62243737A (ja) * 1986-04-15 1987-10-24 Kobe Steel Ltd 耐水素誘起割れ性に優れた鋼板
WO2004111291A1 (ja) * 2003-06-10 2004-12-23 Sumitomo Metal Industries, Ltd. 水素ガス環境用鋼材、構造機器部材およびその製造方法
JP2005002386A (ja) * 2003-06-10 2005-01-06 Sumitomo Metal Ind Ltd 高圧水素環境用鋼、鋼管およびその製造方法
JP2005139499A (ja) 2003-11-05 2005-06-02 Sumitomo Metal Ind Ltd ボンベ用鋼材およびそれを用いたボンベ

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58199812A (ja) * 1982-05-18 1983-11-21 Kobe Steel Ltd 耐硫化物応力腐食割れ性の優れた鋼材の製造方法
JPS61223163A (ja) * 1985-03-28 1986-10-03 Kawasaki Steel Corp 優れた耐水素侵食特性と高いクリ−プ破断強度を有する低合金鋼
MXPA04009375A (es) * 2002-03-29 2005-05-17 Sumitomo Metal Ind Acero de baja aleacion y procedimiento para su fabricacion.
JP4140556B2 (ja) * 2004-06-14 2008-08-27 住友金属工業株式会社 耐硫化物応力割れ性に優れた低合金油井管用鋼
JP4241552B2 (ja) * 2004-09-02 2009-03-18 住友金属工業株式会社 水素侵入抑制効果を有する高強度低合金鋼
FR2881144B1 (fr) 2005-01-21 2007-04-06 Usinor Sa Procede de fabrication de toles d'acier austenitique fer-carbone-manganese a haute resistance a la fissuration differee, et toles ainsi produites
JP4725216B2 (ja) * 2005-07-08 2011-07-13 住友金属工業株式会社 耐硫化物応力割れ性に優れた低合金油井管用鋼

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6247458A (ja) * 1985-08-26 1987-03-02 Kobe Steel Ltd 高温高圧水素雰囲気下で使用される耐水素アタツク性圧力容器
JPS62243737A (ja) * 1986-04-15 1987-10-24 Kobe Steel Ltd 耐水素誘起割れ性に優れた鋼板
WO2004111291A1 (ja) * 2003-06-10 2004-12-23 Sumitomo Metal Industries, Ltd. 水素ガス環境用鋼材、構造機器部材およびその製造方法
JP2005002386A (ja) * 2003-06-10 2005-01-06 Sumitomo Metal Ind Ltd 高圧水素環境用鋼、鋼管およびその製造方法
JP2005139499A (ja) 2003-11-05 2005-06-02 Sumitomo Metal Ind Ltd ボンベ用鋼材およびそれを用いたボンベ

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
HINOTANI SHIGEHARU ET AL.: "Hydrogen Brittle Failure of High-Strength Steel by Room-Temperature High-Pressure Hydrogen", TETSU-TO-HAGANE, 1978, pages 899 - 905
See also references of EP2192204A1
TAMURA MOTONORI ET AL.: "Evaluation of Mechanical Properties of Metallic Material under High-Pressure Hydrogen Atmosphere of 45 MPa", J. JAPAN INST. METALS, vol. 69, no. 12, 2005, pages 1039 - 1048

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2439303A4 (en) * 2009-06-05 2015-09-02 Kobe Steel Ltd STEEL FOR THE FORMATION OF MECHANICAL STRUCTURES
JP2019183218A (ja) * 2018-04-06 2019-10-24 日本製鉄株式会社 高圧水素容器、及び、高圧水素用鋼材

Also Published As

Publication number Publication date
KR20100046052A (ko) 2010-05-04
CN101821417A (zh) 2010-09-01
US8663400B2 (en) 2014-03-04
JP2009074122A (ja) 2009-04-09
KR101187511B1 (ko) 2012-10-02
CA2695688A1 (en) 2009-03-26
CN101821417B (zh) 2012-11-21
US20090285713A1 (en) 2009-11-19
EP2192204B1 (en) 2017-05-24
JP4251229B1 (ja) 2009-04-08
EP2192204A1 (en) 2010-06-02
EP2192204A4 (en) 2014-12-03
CA2695688C (en) 2012-12-04

Similar Documents

Publication Publication Date Title
WO2009038160A1 (ja) 高圧水素ガス環境用低合金鋼および高圧水素用容器
EP1728877A4 (en) METHOD FOR PRODUCING LOW ALLOY STEEL WITH EXCELLENT CORROSION RESISTANCE
TW200516158A (en) High yield ratio, high strength steel sheet, high yield ratio, high strength hot dip galvanized steel sheet and high yield ratio, high strength alloyed hot dip galvanized steel sheet and process for producing same
CA2603681A1 (en) Austenitic stainless steel
WO2008145871A8 (fr) Procede de fabrication de tôles d'acier laminees a froid et recuites a tres haute resistance, et tôles ainsi produites
EP2101090A3 (en) Piston ring
MX2010010386A (es) Lamina de acero enrollada en caliente que tiene excelentes propiedades de fatiga y capacidad de conformacion mediante las pestañas de estiramiento y procesos para producir lamina de acero enrollada en caliente.
WO2008081118A3 (fr) Procede de traitement thermique de desensibilisation a la fissuration assistee par l'environnement d'un alliage a base nickel, notamment pour assemblage de combustible de reacteur nucleaire et pour reacteur nucleaire, et piece realisee en cet alliage ainsi traite
WO2008029011A3 (fr) Tôle d'acier pour la fabrication de structures allegees et procede de fabrication de cette tôle
IN2012DN01309A (ja)
UA84377C2 (ru) Лист из марганцевой стали аустенитной структуры с высоким сопротивлением замедленному трещинообразованию и способ его изготовления
MX2009001836A (es) Acero inoxidable martensitico.
WO2009090231A8 (de) Bauteile aus höher kohlenstoffhaltigem austenitischem stahlformguss, verfahren zu deren herstellung und deren verwendung
WO2009028671A1 (ja) 高温強度に優れたボイラ用低熱膨張Ni基超耐熱合金及びそれを用いたボイラ部品並びにボイラ部品の製造方法
WO2008136354A1 (ja) 耐粒界腐食性および耐応力腐食割れ性に優れたオーステナイト系ステンレス鋼およびオーステナイト系ステンレス鋼材の製造方法
WO2009048137A1 (ja) 2相ステンレス鋼線材、鋼線およびボルト並びにその製造方法
RU2009119712A (ru) Бета-титановый сплав
CA2791878A1 (en) Martensitic stainless steel with excellent weld characteristics, and martensitic stainless steel material
CA2638289A1 (en) Oil country tubular good for expansion in well and duplex stainless steel used for oil country tubular good for expansion
MX2009002207A (es) Acero inoxidable martensitico para estructuras soldadas.
WO2009008281A1 (ja) 燃料噴射管用鋼管およびその製造方法
TW200734471A (en) Steel for hot tooling, and part produced from this steel, method of manufacture thereof and uses thereof
WO2009044758A1 (ja) 高強度Cr-Ni合金材およびそれを用いた油井用継目無管
AU2006332301B2 (en) Deformable lightweight structural steel
WO2008149703A1 (ja) フェライト系耐熱鋼

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 200880107864.6

Country of ref document: CN

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 08832156

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 2695688

Country of ref document: CA

WWE Wipo information: entry into national phase

Ref document number: 628/KOLNP/2010

Country of ref document: IN

REEP Request for entry into the european phase

Ref document number: 2008832156

Country of ref document: EP

WWE Wipo information: entry into national phase

Ref document number: 2008832156

Country of ref document: EP

ENP Entry into the national phase

Ref document number: 20107005316

Country of ref document: KR

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE