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WO2008123397A1 - Tuyau en acier cémenté ayant une excellente aptitude au façonnage et son procédé de fabrication - Google Patents

Tuyau en acier cémenté ayant une excellente aptitude au façonnage et son procédé de fabrication Download PDF

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Publication number
WO2008123397A1
WO2008123397A1 PCT/JP2008/056016 JP2008056016W WO2008123397A1 WO 2008123397 A1 WO2008123397 A1 WO 2008123397A1 JP 2008056016 W JP2008056016 W JP 2008056016W WO 2008123397 A1 WO2008123397 A1 WO 2008123397A1
Authority
WO
WIPO (PCT)
Prior art keywords
steel pipe
case
hardened steel
pipe
workability
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/JP2008/056016
Other languages
English (en)
Japanese (ja)
Inventor
Kenichi Beppu
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 CN2008800105171A priority Critical patent/CN101646788B/zh
Priority to JP2009509185A priority patent/JP5126857B2/ja
Priority to KR1020097019966A priority patent/KR101113575B1/ko
Priority to EP08739140.5A priority patent/EP2135962B1/fr
Priority to MX2009010307A priority patent/MX2009010307A/es
Publication of WO2008123397A1 publication Critical patent/WO2008123397A1/fr
Priority to US12/557,353 priority patent/US20100051143A1/en
Anticipated expiration legal-status Critical
Ceased 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
    • 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
    • C21D1/26—Methods of annealing
    • C21D1/28—Normalising
    • 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
    • C21D1/26—Methods of annealing
    • C21D1/32—Soft annealing, e.g. spheroidising
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/02—Hardening by precipitation
    • 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
    • C21D7/00—Modifying the physical properties of iron or steel by deformation
    • C21D7/02—Modifying the physical properties of iron or steel by deformation by cold working
    • C21D7/04—Modifying the physical properties of iron or steel by deformation by cold working of the surface
    • 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
    • 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
    • C21D9/085—Cooling or quenching
    • 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
    • C22C38/40—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
    • C22C38/48—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
    • C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/02—Pretreatment of the material to be coated
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/40—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using liquids, e.g. salt baths, liquid suspensions
    • C23C8/42—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using liquids, e.g. salt baths, liquid suspensions only one element being applied
    • C23C8/44—Carburising
    • C23C8/46—Carburising of ferrous surfaces
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/80—After-treatment
    • 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

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Heat Treatment Of Articles (AREA)
  • Heat Treatment Of Steel (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)

Abstract

L'invention concerne un tuyau en acier cémenté qui présente une dureté de 72 à 80 HRB et qui peut donner un produit final ayant une couche cémentée présentant une robustesse et une résistance à l'usure élevées et de façon satisfaisante une résistance à la rupture élevée sous une force impulsive par un travail suivi d'une carburation et d'une trempe dans des conditions relativement douces. Le tuyau en acier cémenté peut être produit en fabricant un tuyau à partir d'un acier ayant une composition qui contient en masse C: 0,1 à 0,25 %, Si: 0,2 à 0,4 %, Mn: 0,3 à 0,9 %, P: 0,02 % ou moins, S: 0,001 à 0,15 %, Cr: 0,5 à 0,9 %, Mo: 0,15 à 1 %, Al: 0,01 à 0,1 %, B: 0,0005 à 0,009 % et N: moins de 0,006 %, le reste étant essentiellement constitué de Fe, en normalisant le tuyau par une immersion à une température de 880 à 980 °C, puis en le refroidissant à une vitesse de refroidissement d'au plus 70°C/minute, en soumettant le tuyau en acier normalisé à un façonnage à froid, puis en soumettant le tuyau en acier façonné à froid à un recuit à une température de 700 à 820 °C.
PCT/JP2008/056016 2007-03-29 2008-03-28 Tuyau en acier cémenté ayant une excellente aptitude au façonnage et son procédé de fabrication Ceased WO2008123397A1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CN2008800105171A CN101646788B (zh) 2007-03-29 2008-03-28 加工性优良的渗碳钢管及其制造方法
JP2009509185A JP5126857B2 (ja) 2007-03-29 2008-03-28 加工性に優れた肌焼鋼管の製造方法
KR1020097019966A KR101113575B1 (ko) 2007-03-29 2008-03-28 가공성이 우수한 표면 경화 강관과 그 제조 방법
EP08739140.5A EP2135962B1 (fr) 2007-03-29 2008-03-28 Tuyau en acier cémenté ayant une excellente aptitude au façonnage et son procédé de fabrication
MX2009010307A MX2009010307A (es) 2007-03-29 2008-03-28 Tubo de acero de cimentacion con funcionalidad mejorada y un proceso para su fabricacion.
US12/557,353 US20100051143A1 (en) 2007-03-29 2009-09-10 Case Hardening Steel Tube Having Improved Workability and a Process for its Manufacture

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-088283 2007-03-29
JP2007088283 2007-03-29

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/557,353 Continuation US20100051143A1 (en) 2007-03-29 2009-09-10 Case Hardening Steel Tube Having Improved Workability and a Process for its Manufacture

Publications (1)

Publication Number Publication Date
WO2008123397A1 true WO2008123397A1 (fr) 2008-10-16

Family

ID=39830882

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/056016 Ceased WO2008123397A1 (fr) 2007-03-29 2008-03-28 Tuyau en acier cémenté ayant une excellente aptitude au façonnage et son procédé de fabrication

Country Status (7)

Country Link
US (1) US20100051143A1 (fr)
EP (1) EP2135962B1 (fr)
JP (1) JP5126857B2 (fr)
KR (1) KR101113575B1 (fr)
CN (1) CN101646788B (fr)
MX (1) MX2009010307A (fr)
WO (1) WO2008123397A1 (fr)

Cited By (5)

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CN105525205A (zh) * 2015-12-25 2016-04-27 钢铁研究总院 一种390MPa级正火型微合金化钢板
JP2016141821A (ja) * 2015-01-30 2016-08-08 大同特殊鋼株式会社 冷間鍛造性及び耐結晶粒粗大化特性に優れた鋼材の軟化熱処理方法
CN110923420A (zh) * 2019-12-17 2020-03-27 常熟市恒丰机械制造有限公司 一种导纱器的生产工艺
CN115491480A (zh) * 2022-09-15 2022-12-20 浙江蓝能燃气设备有限公司 一种储氢瓶式容器热处理系统
JP2024502743A (ja) * 2021-01-28 2024-01-23 江陰興澄特種鋼鉄有限公司 ゼッパ型ユニバーサルジョイントリテーナ用鋼及びその製造方法

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CN102206792B (zh) * 2011-05-04 2013-08-07 江苏标新久保田工业有限公司 一种低合金材料沉没辊
CN103031495B (zh) * 2011-10-08 2014-08-27 山西太钢不锈钢股份有限公司 一种高速铁路客车空心车轴用钢的模铸方法
CN102373398A (zh) * 2011-10-30 2012-03-14 山西太钢不锈钢股份有限公司 一种硼钢渗碳前的预先热处理方法
US9340847B2 (en) * 2012-04-10 2016-05-17 Tenaris Connections Limited Methods of manufacturing steel tubes for drilling rods with improved mechanical properties, and rods made by the same
KR101467047B1 (ko) * 2012-10-31 2014-12-01 현대제철 주식회사 내열강 제조 방법
CN103320597B (zh) * 2013-06-14 2014-11-26 攀钢集团成都钢钒有限公司 一种细化10Cr9Mo1VNbN钢管及锻件粗晶的方法
EP3085800B1 (fr) * 2013-12-20 2019-02-06 Nippon Steel & Sumitomo Metal Corporation Tuyau en acier soudé à résistance électrique
CN105041658B (zh) * 2015-08-11 2018-06-12 宁波甬微集团有限公司 一种制冷压缩机用滚动活塞及其制造方法
CN105385817A (zh) * 2015-11-12 2016-03-09 芜湖天金机械有限公司 提高切削性能的万向节球壳正火工艺
CN105714194B (zh) * 2016-02-29 2017-06-20 宝鸡石油机械有限责任公司 ZG20CrNiMnMo铸钢及其铸钢件制备方法
US20180030562A1 (en) * 2016-07-28 2018-02-01 The Gleason Works Heat treatment of steel parts, particularly friction-welded steel parts
CN106222518A (zh) * 2016-08-15 2016-12-14 合肥万向钱潮汽车零部件有限公司 一种汽车传动轴的万向节凸缘叉的材料配方
CN108893650A (zh) * 2018-06-01 2018-11-27 张家港保税区恒隆钢管有限公司 一种汽车前防撞梁用无缝钢管及其制备方法
CN110172638B (zh) * 2019-05-10 2021-06-15 武汉钢铁有限公司 一种高温渗碳齿轮钢及生产方法
CN113106334A (zh) * 2021-03-11 2021-07-13 石家庄钢铁有限责任公司 一种rv减速器摆线轮用钢及其制备方法
EP4324941A1 (fr) * 2022-08-19 2024-02-21 Benteler Steel/Tube GmbH Procédé de fabrication d'un produit semi-fini tubulaire
CN116590613B (zh) * 2023-04-26 2025-09-19 马鞍山钢铁股份有限公司 一种耐低温渗碳冷精锻齿轮钢及其周期球化退火方法和生产方法
CN121046741A (zh) * 2024-05-30 2025-12-02 宝山钢铁股份有限公司 一种带钢、精冲钢材及其制造方法

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CN110923420A (zh) * 2019-12-17 2020-03-27 常熟市恒丰机械制造有限公司 一种导纱器的生产工艺
JP2024502743A (ja) * 2021-01-28 2024-01-23 江陰興澄特種鋼鉄有限公司 ゼッパ型ユニバーサルジョイントリテーナ用鋼及びその製造方法
JP7766692B2 (ja) 2021-01-28 2025-11-10 江陰興澄特種鋼鉄有限公司 ゼッパ型ユニバーサルジョイントリテーナ用鋼及びその製造方法
CN115491480A (zh) * 2022-09-15 2022-12-20 浙江蓝能燃气设备有限公司 一种储氢瓶式容器热处理系统
CN115491480B (zh) * 2022-09-15 2024-01-26 浙江蓝能氢能科技股份有限公司 一种储氢瓶式容器热处理系统

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CN101646788B (zh) 2011-04-13
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KR101113575B1 (ko) 2012-03-13
CN101646788A (zh) 2010-02-10
US20100051143A1 (en) 2010-03-04
EP2135962A4 (fr) 2015-03-04
EP2135962A1 (fr) 2009-12-23
MX2009010307A (es) 2009-10-16
EP2135962B1 (fr) 2016-07-13

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