PE20141418A1 - Metodo de fabricacion de tubos de acero para varillas de perforacion con propiedades mecanicas mejoradas, y varillas obtenidas a traves de los mismos - Google Patents

Metodo de fabricacion de tubos de acero para varillas de perforacion con propiedades mecanicas mejoradas, y varillas obtenidas a traves de los mismos

Info

Publication number
PE20141418A1
PE20141418A1 PE2013000827A PE2013000827A PE20141418A1 PE 20141418 A1 PE20141418 A1 PE 20141418A1 PE 2013000827 A PE2013000827 A PE 2013000827A PE 2013000827 A PE2013000827 A PE 2013000827A PE 20141418 A1 PE20141418 A1 PE 20141418A1
Authority
PE
Peru
Prior art keywords
tube
weight
rods
steel
mechanical properties
Prior art date
Application number
PE2013000827A
Other languages
English (en)
Inventor
Eduardo Altschuler
Pablo Egger
Original Assignee
Tenaris Connections 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 Tenaris Connections Ltd filed Critical Tenaris Connections Ltd
Publication of PE20141418A1 publication Critical patent/PE20141418A1/es

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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
    • 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
    • C21D8/0236—Cold 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • 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
    • C21D1/30—Stress-relieving
    • 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
    • C21D8/0268—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment between cold rolling steps
    • 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
    • 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
    • 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
    • C22C38/001—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
    • C22C38/008—Ferrous alloys, e.g. steel alloys containing tin
    • 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
    • C22C38/40—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
    • 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
    • C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
    • C22C38/40—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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B23/00—Tube-rolling not restricted to methods provided for in only one of groups B21B17/00, B21B19/00, B21B21/00, e.g. combined processes planetary tube rolling, auxiliary arrangements, e.g. lubricating, special tube blanks, continuous casting combined with tube 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
    • 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
    • C21D2211/008—Martensite

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Child & Adolescent Psychology (AREA)
  • Manufacturing & Machinery (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Articles (AREA)
  • Earth Drilling (AREA)
  • Metal Extraction Processes (AREA)

Abstract

SE REFIERE A UN METODO DE FABRICACION DE UN TUBO DE ACERO QUE COMPRENDE: I) COLOCAR UN ACERO DE CIERTA COMPOSICION EN UNA BARRA O PLANCHA EN EL CUAL DICHA COMPOSICION COMPRENDE ENTRE 0.18 Y 0.32% EN PESO DE C, 0.3 Y 1.6% EN PESO DE Mn, 0.1 Y 0.6% EN PESO DE Si, 0.005 Y 0.08% EN PESO DE Al, 0.2 Y 1.5% EN PESO DE Cr, 0.2 Y 1.0% EN PESO DE Mo; EL RESTO COMPRENDE HIERRO E IMPUREZAS, LA CANTIDAD DE CADA ELEMENTO SE PROVEE EN BASE AL PESO TOTAL DE LA COMPOSICION DEL ACERO; II) MOLDEAR EL TUBO; III) TEMPLAR EL TUBO DESDE UNA TEMPERATURA AUSTENITICA PARA OBTENER UN TUBO FRIO; IV) ESTIRAR EN FRIO EL TUBO PARA OBTENER EL TUBO FINAL Y IV) TEMPLAR EL TUBO FINAL PARA OBTENER EL TUBO DE ACERO. DICHO METODO AJUSTA LAS TOLERANCIAS DIMENSIONALES Y REDUCE LAS TENSIONES RESIDUALES DENTRO DE LOS TUBOS DE ACERO
PE2013000827A 2012-04-10 2013-04-10 Metodo de fabricacion de tubos de acero para varillas de perforacion con propiedades mecanicas mejoradas, y varillas obtenidas a traves de los mismos PE20141418A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13/443,669 US9340847B2 (en) 2012-04-10 2012-04-10 Methods of manufacturing steel tubes for drilling rods with improved mechanical properties, and rods made by the same

Publications (1)

Publication Number Publication Date
PE20141418A1 true PE20141418A1 (es) 2014-11-09

Family

ID=48128107

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PE2013000827A PE20141418A1 (es) 2012-04-10 2013-04-10 Metodo de fabricacion de tubos de acero para varillas de perforacion con propiedades mecanicas mejoradas, y varillas obtenidas a traves de los mismos

Country Status (9)

Country Link
US (1) US9340847B2 (es)
EP (1) EP2650389B1 (es)
AR (1) AR090645A1 (es)
AU (1) AU2013202710B2 (es)
BR (1) BR102013008724B1 (es)
CA (1) CA2811764C (es)
CL (1) CL2013000954A1 (es)
MX (1) MX353525B (es)
PE (1) PE20141418A1 (es)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010043837A1 (de) * 2010-11-12 2012-05-16 Hilti Aktiengesellschaft Schlagwerkskörper, Schlagwerk und Handwerkzeugmaschine mit einem Schlagwerk
US9163296B2 (en) 2011-01-25 2015-10-20 Tenaris Coiled Tubes, Llc Coiled tube with varying mechanical properties for superior performance and methods to produce the same by a continuous heat treatment
IT1403688B1 (it) 2011-02-07 2013-10-31 Dalmine Spa Tubi in acciaio con pareti spesse con eccellente durezza a bassa temperatura e resistenza alla corrosione sotto tensione da solfuri.
IT1403689B1 (it) 2011-02-07 2013-10-31 Dalmine Spa Tubi in acciaio ad alta resistenza con eccellente durezza a bassa temperatura e resistenza alla corrosione sotto tensioni da solfuri.
US8414715B2 (en) 2011-02-18 2013-04-09 Siderca S.A.I.C. Method of making ultra high strength steel having good toughness
US8636856B2 (en) 2011-02-18 2014-01-28 Siderca S.A.I.C. High strength steel having good toughness
CN102787274A (zh) * 2012-08-21 2012-11-21 宝山钢铁股份有限公司 一种超高韧性高强度钻杆及其制造方法
US9970242B2 (en) 2013-01-11 2018-05-15 Tenaris Connections B.V. Galling resistant drill pipe tool joint and corresponding drill pipe
US9803256B2 (en) 2013-03-14 2017-10-31 Tenaris Coiled Tubes, Llc High performance material for coiled tubing applications and the method of producing the same
GB201304771D0 (en) * 2013-03-15 2013-05-01 Petrowell Ltd Heat treat production fixture
EP2789701A1 (en) 2013-04-08 2014-10-15 DALMINE S.p.A. High strength medium wall quenched and tempered seamless steel pipes and related method for manufacturing said steel pipes
EP2789700A1 (en) 2013-04-08 2014-10-15 DALMINE S.p.A. Heavy wall quenched and tempered seamless steel pipes and related method for manufacturing said steel pipes
JP6144417B2 (ja) 2013-06-25 2017-06-07 テナリス・コネクシヨンズ・ベー・ブイ 高クロム耐熱鋼
JP6385195B2 (ja) * 2014-08-19 2018-09-05 新報国製鉄株式会社 シームレスパイプ製造用ピアサープラグ
EP3233319B1 (en) 2014-12-17 2021-09-08 American Axle & Manufacturing, Inc. Method of manufacturing a tube and a machine for use therein
CN105463164A (zh) * 2015-12-10 2016-04-06 湖州中联机械制造有限公司 高强度采煤机摇臂的热处理工艺
BR102016001063B1 (pt) 2016-01-18 2021-06-08 Amsted Maxion Fundição E Equipamentos Ferroviários S/A liga de aço para componentes ferroviários, e processo de obtenção de uma liga de aço para componentes ferroviários
MY191470A (en) * 2016-08-01 2022-06-28 Nippon Steel Corp Seamless steel pipe and method for producing same
US11124852B2 (en) 2016-08-12 2021-09-21 Tenaris Coiled Tubes, Llc Method and system for manufacturing coiled tubing
US10434554B2 (en) 2017-01-17 2019-10-08 Forum Us, Inc. Method of manufacturing a coiled tubing string
CN107096805A (zh) * 2017-07-01 2017-08-29 浙江义腾特种钢管有限公司 一种用于超洁净输送不锈钢管的生产工艺
CN107737890B (zh) * 2017-09-20 2019-04-16 中天合金技术有限公司 一种射频同轴电缆用无氧铜管的制备方法
CN107885903B (zh) * 2017-09-28 2023-12-12 上海思致汽车工程技术有限公司 一种基于仿真模型的冲压制件边界开裂评判方法
WO2019198468A1 (ja) * 2018-04-09 2019-10-17 日本製鉄株式会社 サワー環境での使用に適した鋼材
KR102020429B1 (ko) * 2018-06-26 2019-09-10 주식회사 포스코 권취코일용 파이프 및 그 제조방법
WO2020166638A1 (ja) * 2019-02-13 2020-08-20 日本製鉄株式会社 燃料噴射管用鋼管およびそれを用いた燃料噴射管
WO2020166637A1 (ja) * 2019-02-13 2020-08-20 日本製鉄株式会社 燃料噴射管用鋼管およびそれを用いた燃料噴射管
WO2020196019A1 (ja) * 2019-03-22 2020-10-01 日本製鉄株式会社 サワー環境での使用に適した継目無鋼管
WO2021039431A1 (ja) * 2019-08-27 2021-03-04 日本製鉄株式会社 サワー環境での使用に適した鋼材
CN110743916A (zh) * 2019-10-22 2020-02-04 无锡隆达金属材料有限公司 一种轴承用棒料的斜轧穿孔方法
CN110714166B (zh) * 2019-11-13 2021-11-16 无锡双马钻探工具有限公司 一种合金钢及其制备方法和用途
BR112022022553A2 (pt) * 2020-05-06 2022-12-13 Alleima Rock Drill Steel Ab Um novo aço bainítico
CN111687209B (zh) * 2020-05-13 2022-03-01 中天钢铁集团有限公司 一种中碳高硫合金钢盘条的轧制工艺
WO2021260026A1 (en) 2020-06-23 2021-12-30 Tenaris Connections B.V. Method of manufacturing high strength steel tubing from a steel composition and components thereof
CN112226694A (zh) * 2020-10-12 2021-01-15 江阴雷特斯钻具有限公司 一种非开挖钻杆及其热处理工艺
CN113477744B (zh) * 2021-06-29 2023-02-10 宜兴市鑫煜科技有限公司 一种缝翼滑轨套筒的深拉伸成型生产工艺
CN114921719A (zh) * 2022-04-15 2022-08-19 山东威玛装备科技股份有限公司 含硫油气田使用的高强度钻杆

Family Cites Families (144)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3413166A (en) 1965-10-15 1968-11-26 Atomic Energy Commission Usa Fine grained steel and process for preparation thereof
US3655465A (en) 1969-03-10 1972-04-11 Int Nickel Co Heat treatment for alloys particularly steels to be used in sour well service
DE2131318C3 (de) 1971-06-24 1973-12-06 Fried. Krupp Huettenwerke Ag, 4630 Bochum Verfahren zum Herstellen eines Beweh rungs Stabstahles für Spannbeton
US3915697A (en) 1975-01-31 1975-10-28 Centro Speriment Metallurg Bainitic steel resistant to hydrogen embrittlement
GB2023668B (en) 1978-04-28 1982-10-13 Neturen Co Ltd Steel for cold plastic working
US4231555A (en) 1978-06-12 1980-11-04 Horikiri Spring Manufacturing Co., Ltd. Bar-shaped torsion spring
EP0021349B1 (en) 1979-06-29 1985-04-17 Nippon Steel Corporation High tensile steel and process for producing the same
JPS5680367A (en) 1979-12-06 1981-07-01 Nippon Steel Corp Restraining method of cracking in b-containing steel continuous casting ingot
JPS634046Y2 (es) 1980-09-03 1988-02-01
US4376528A (en) 1980-11-14 1983-03-15 Kawasaki Steel Corporation Steel pipe hardening apparatus
JPS634047Y2 (es) 1981-04-21 1988-02-01
US4354882A (en) 1981-05-08 1982-10-19 Lone Star Steel Company High performance tubulars for critical oil country applications and process for their preparation
JPS58188532A (ja) 1982-04-28 1983-11-04 Nhk Spring Co Ltd 中空スタビライザの製造方法
JPS6024353A (ja) 1983-07-20 1985-02-07 Japan Steel Works Ltd:The １２％Ｃｒ系耐熱鋼
JPS6086209U (ja) 1983-11-18 1985-06-13 高圧化工株式会社 コンパクト
JPS60215719A (ja) 1984-04-07 1985-10-29 Nippon Steel Corp 二輪車フロントフオ−ク用電縫鋼管の製造方法
JPS60174822U (ja) 1984-04-28 1985-11-19 株式会社山武 計器類の連結装置
JPS61130462A (ja) 1984-11-28 1986-06-18 Tech Res & Dev Inst Of Japan Def Agency 降伏応力１１０ｋｇｆ／ｍｍ↑２以上の耐応力腐蝕割れ性のすぐれた高靭性超高張力鋼
DE3445371A1 (de) 1984-12-10 1986-06-12 Mannesmann AG, 4000 Düsseldorf Verfahren zum herstellen von rohren fuer die erdoel- und erdgasindustrie und von bohrgestaengeeinheiten
JPS61270355A (ja) 1985-05-24 1986-11-29 Sumitomo Metal Ind Ltd 耐遅れ破壊性の優れた高強度鋼
DE3666461D1 (en) 1985-06-10 1989-11-23 Hoesch Ag Method and use of a steel for manufacturing steel pipes with a high resistance to acid gases
JPH0421718Y2 (es) 1986-09-29 1992-05-18
JPS63230847A (ja) 1987-03-20 1988-09-27 Sumitomo Metal Ind Ltd 耐食性に優れた油井管用低合金鋼
JPS63230851A (ja) 1987-03-20 1988-09-27 Sumitomo Metal Ind Ltd 耐食性に優れた油井管用低合金鋼
JPH0693339B2 (ja) 1987-04-27 1994-11-16 東京電力株式会社 ガス開閉器
US4812182A (en) 1987-07-31 1989-03-14 Hongsheng Fang Air-cooling low-carbon bainitic steel
JPH01259124A (ja) 1988-04-11 1989-10-16 Sumitomo Metal Ind Ltd 耐食性に優れた高強度油井管の製造方法
JPH01259125A (ja) 1988-04-11 1989-10-16 Sumitomo Metal Ind Ltd 耐食性に優れた高強度油井管の製造方法
JPH01283322A (ja) 1988-05-10 1989-11-14 Sumitomo Metal Ind Ltd 耐食性に優れた高強度油井管の製造方法
JPH0741856Y2 (ja) 1989-06-30 1995-09-27 スズキ株式会社 エンジンのｐｃｖバルブ
US5538566A (en) 1990-10-24 1996-07-23 Consolidated Metal Products, Inc. Warm forming high strength steel parts
JP2567150B2 (ja) 1990-12-06 1996-12-25 新日本製鐵株式会社 低温用高強度低降伏比ラインパイプ材の製造法
JPH04231414A (ja) 1990-12-27 1992-08-20 Sumitomo Metal Ind Ltd 高耐食性油井管の製造法
JPH04107214U (ja) 1991-02-28 1992-09-16 京セラ株式会社 画像ヘツド
JP2682332B2 (ja) 1992-04-08 1997-11-26 住友金属工業株式会社 高強度耐食性鋼管の製造方法
IT1263251B (it) 1992-10-27 1996-08-05 Sviluppo Materiali Spa Procedimento per la produzione di manufatti in acciaio inossidabile super-duplex.
JPH06172859A (ja) 1992-12-04 1994-06-21 Nkk Corp 耐硫化物応力腐食割れ性に優れた高強度鋼管の製造法
JPH06220536A (ja) 1993-01-22 1994-08-09 Nkk Corp 耐硫化物応力腐食割れ性に優れた高強度鋼管の製造法
US5454883A (en) 1993-02-02 1995-10-03 Nippon Steel Corporation High toughness low yield ratio, high fatigue strength steel plate and process of producing same
WO1995002074A1 (fr) 1993-07-06 1995-01-19 Nippon Steel Corporation Acier tres resistant a la corrosion et acier tres resistant a la corrosion et tres apte au façonnage
JPH07197125A (ja) 1994-01-10 1995-08-01 Nkk Corp 耐硫化物応力腐食割れ性に優れた高強度鋼管の製造法
JPH07266837A (ja) 1994-03-29 1995-10-17 Horikiri Bane Seisakusho:Kk 中空スタビライザの製造法
IT1267243B1 (it) 1994-05-30 1997-01-28 Danieli Off Mecc Procedimento di colata continua per acciai peritettici
GB2297094B (en) 1995-01-20 1998-09-23 British Steel Plc Improvements in and relating to Carbide-Free Bainitic Steels
WO1996036742A1 (fr) 1995-05-15 1996-11-21 Sumitomo Metal Industries, Ltd. Procede de production de tubes d'acier sans soudure a haute resistance, non susceptibles de fissuration par les composes soufres
JP3755163B2 (ja) 1995-05-15 2006-03-15 住友金属工業株式会社 耐硫化物応力割れ性に優れた高強度継目無鋼管の製造方法
IT1275287B (it) 1995-05-31 1997-08-05 Dalmine Spa Acciaio inossidabile supermartensitico avente elevata resistenza meccanica ed alla corrosione e relativi manufatti
ES2159662T3 (es) 1995-07-06 2001-10-16 Benteler Werke Ag Tubos para la fabricacion de estabilizadores y fabricacion de estabilizadores a partir de dichos tubos.
JPH0967624A (ja) 1995-08-25 1997-03-11 Sumitomo Metal Ind Ltd 耐ｓｓｃｃ性に優れた高強度油井用鋼管の製造方法
JPH09235617A (ja) 1996-02-29 1997-09-09 Sumitomo Metal Ind Ltd 継目無鋼管の製造方法
EP0977199B1 (en) 1996-04-26 2000-11-02 Matsushita Electric Industrial Co., Ltd. Information recording method, information recording apparatus and cartridge unit
JPH10176239A (ja) 1996-10-17 1998-06-30 Kobe Steel Ltd 高強度低降伏比パイプ用熱延鋼板及びその製造方法
JPH10140250A (ja) 1996-11-12 1998-05-26 Sumitomo Metal Ind Ltd 高強度高靭性エアーバッグ用鋼管の製造方法
AU5748298A (en) 1997-01-15 1998-08-07 Mannesmann Aktiengesellschaft Method for making seamless tubing with a stable elastic limit at high application temperatures
CA2231985C (en) 1997-03-26 2004-05-25 Sumitomo Metal Industries, Ltd. Welded high-strength steel structures and methods of manufacturing the same
JPH10280037A (ja) 1997-04-08 1998-10-20 Sumitomo Metal Ind Ltd 高強度高耐食性継目無し鋼管の製造方法
BR9804879A (pt) 1997-04-30 1999-08-24 Kawasaki Steel Co Produto de a-o de alta ductilidade alta resist-ncia e processo para a sua produ-Æo
EP0878334B1 (de) 1997-05-12 2003-09-24 Firma Muhr und Bender Stabilisator
US5993570A (en) 1997-06-20 1999-11-30 American Cast Iron Pipe Company Linepipe and structural steel produced by high speed continuous casting
DE19725434C2 (de) 1997-06-16 1999-08-19 Schloemann Siemag Ag Verfahren zum Walzen von Warmbreitband in einer CSP-Anlage
JPH1150148A (ja) 1997-08-06 1999-02-23 Sumitomo Metal Ind Ltd 高強度高耐食継目無鋼管の製造方法
DE69821486T2 (de) 1997-09-29 2005-01-13 Sumitomo Metal Industries, Ltd. Stahl für ölbohrlochrohre mit hohem korrosionswiderstand gegen feuchtes kohlendioxidgas und mit hohem korrosionswiderstand gegen seewasser, sowie nahtlose ölbohrlochrohre
JP3898814B2 (ja) 1997-11-04 2007-03-28 新日本製鐵株式会社 低温靱性に優れた高強度鋼用の連続鋳造鋳片およびその製造法、および低温靱性に優れた高強度鋼
JP3344308B2 (ja) 1998-02-09 2002-11-11 住友金属工業株式会社 超高強度ラインパイプ用鋼板およびその製造法
JP4203143B2 (ja) 1998-02-13 2008-12-24 新日本製鐵株式会社 耐炭酸ガス腐食性に優れた耐食鋼及び耐食油井管
DE69934083T2 (de) 1998-07-21 2007-06-21 Shinagawa Refractories Co., Ltd. Giesspulver zum stranggiessen von dünnbrammen und stranggiessverfahren
JP2000063940A (ja) 1998-08-12 2000-02-29 Sumitomo Metal Ind Ltd 耐硫化物応力割れ性に優れた高強度鋼の製造方法
JP3562353B2 (ja) 1998-12-09 2004-09-08 住友金属工業株式会社 耐硫化物応力腐食割れ性に優れる油井用鋼およびその製造方法
US6299705B1 (en) 1998-09-25 2001-10-09 Mitsubishi Heavy Industries, Ltd. High-strength heat-resistant steel and process for producing high-strength heat-resistant steel
JP3800836B2 (ja) 1998-12-15 2006-07-26 住友金属工業株式会社 強度と靱性に優れた鋼材の製造方法
JP4331300B2 (ja) 1999-02-15 2009-09-16 日本発條株式会社 中空スタビライザの製造方法
JP2000248337A (ja) 1999-03-02 2000-09-12 Kansai Electric Power Co Inc:The ボイラ用高Ｃｒフェライト系耐熱鋼の耐水蒸気酸化特性改善方法および耐水蒸気酸化特性に優れたボイラ用高Ｃｒフェライト系耐熱鋼
JP3680628B2 (ja) 1999-04-28 2005-08-10 住友金属工業株式会社 耐硫化物割れ性に優れた高強度油井用鋼管の製造方法
CZ293084B6 (cs) 1999-05-17 2004-02-18 Jinpo Plus A. S. Ocele pro žárupevné a vysokopevné tvářené součásti, obzvláště trubky, plechy a výkovky
JP4367588B2 (ja) 1999-10-28 2009-11-18 住友金属工業株式会社 耐硫化物応力割れ性に優れた鋼管
JP3545980B2 (ja) 1999-12-06 2004-07-21 株式会社神戸製鋼所 耐遅れ破壊特性の優れた自動車用超高強度電縫鋼管およびその製造方法
JP3543708B2 (ja) 1999-12-15 2004-07-21 住友金属工業株式会社 耐硫化物応力腐食割れ性に優れた油井用鋼材およびそれを用いた油井用鋼管の製造方法
WO2001062998A1 (fr) 2000-02-28 2001-08-30 Nippon Steel Corporation Tube d'acier facile a former et procede de production de ce dernier
JP4379550B2 (ja) 2000-03-24 2009-12-09 住友金属工業株式会社 耐硫化物応力割れ性と靱性に優れた低合金鋼材
JP3518515B2 (ja) 2000-03-30 2004-04-12 住友金属工業株式会社 低・中Ｃｒ系耐熱鋼
IT1317649B1 (it) 2000-05-19 2003-07-15 Dalmine Spa Acciaio inox martensitico e tubi senza saldatura con esso prodotti
KR100515399B1 (ko) 2000-06-07 2005-09-16 신닛뽄세이테쯔 카부시키카이샤 성형성이 우수한 강관 및 그 제조 방법
JP3959667B2 (ja) 2000-09-20 2007-08-15 エヌケーケーシームレス鋼管株式会社 高強度鋼管の製造方法
US6384388B1 (en) 2000-11-17 2002-05-07 Meritor Suspension Systems Company Method of enhancing the bending process of a stabilizer bar
JP3678147B2 (ja) * 2000-12-27 2005-08-03 住友金属工業株式会社 高強度高靱性エアバッグ用鋼管とその製造方法
WO2002063058A1 (fr) 2001-02-07 2002-08-15 Nkk Corporation Feuille d"acier mince et procede de fabrication de ladite feuille
ES2295312T3 (es) 2001-03-07 2008-04-16 Nippon Steel Corporation Tubo de acero soldado con electricidad para estabilizador hueco.
AR027650A1 (es) 2001-03-13 2003-04-09 Siderca Sa Ind & Com Acero al carbono de baja aleacion para la fabricacion de tuberias para exploracion y produccion de petroleo y/o gas natural, con mejorada resistencia a lacorrosion, procedimiento para fabricar tubos sin costura y tubos sin costura obtenidos
EP1375683B1 (en) 2001-03-29 2012-02-08 Sumitomo Metal Industries, Ltd. High strength steel tube for air bag and method for production thereof
JP2003096534A (ja) 2001-07-19 2003-04-03 Mitsubishi Heavy Ind Ltd 高強度耐熱鋼、高強度耐熱鋼の製造方法、及び高強度耐熱管部材の製造方法
JP2003041341A (ja) 2001-08-02 2003-02-13 Sumitomo Metal Ind Ltd 高靱性を有する鋼材およびそれを用いた鋼管の製造方法
CN1151305C (zh) 2001-08-28 2004-05-26 宝山钢铁股份有限公司 抗二氧化碳腐蚀的低合金钢及油套管
DE60231279D1 (de) 2001-08-29 2009-04-09 Jfe Steel Corp Verfahren zum Herstellen von nahtlosen Rohren aus hochfester, hochzäher, martensitischer Rostfreistahl
US6669789B1 (en) 2001-08-31 2003-12-30 Nucor Corporation Method for producing titanium-bearing microalloyed high-strength low-alloy steel
NO315284B1 (no) 2001-10-19 2003-08-11 Inocean As Stigerör for forbindelse mellom et fartöy og et punkt på havbunnen
US6709534B2 (en) 2001-12-14 2004-03-23 Mmfx Technologies Corporation Nano-composite martensitic steels
AU2003227225B2 (en) 2002-03-29 2006-04-27 Nippon Steel Corporation Low alloy steel
JP2004011009A (ja) 2002-06-11 2004-01-15 Nippon Steel Corp 中空スタビライザー用電縫溶接鋼管
US6669285B1 (en) 2002-07-02 2003-12-30 Eric Park Headrest mounted video display
CN1229511C (zh) 2002-09-30 2005-11-30 宝山钢铁股份有限公司 抗二氧化碳和硫化氢腐蚀用低合金钢
JP2004176172A (ja) 2002-10-01 2004-06-24 Sumitomo Metal Ind Ltd 耐水素誘起割れ性に優れた高強度継目無鋼管およびその製造方法
US7074286B2 (en) 2002-12-18 2006-07-11 Ut-Battelle, Llc Wrought Cr—W—V bainitic/ferritic steel compositions
US7010950B2 (en) 2003-01-17 2006-03-14 Visteon Global Technologies, Inc. Suspension component having localized material strengthening
EP1627931B1 (en) 2003-04-25 2017-05-31 Tubos De Acero De Mexico, S.A. Seamless steel tube which is intended to be used as a guide pipe and production method thereof
US20050076975A1 (en) 2003-10-10 2005-04-14 Tenaris Connections A.G. Low carbon alloy steel tube having ultra high strength and excellent toughness at low temperature and method of manufacturing the same
US20050087269A1 (en) 2003-10-22 2005-04-28 Merwin Matthew J. Method for producing line pipe
EP1728877B9 (en) 2004-03-24 2012-02-01 Sumitomo Metal Industries, Ltd. Process for producing low-alloy steel excelling in corrosion resistance
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
JP4135691B2 (ja) 2004-07-20 2008-08-20 住友金属工業株式会社 窒化物系介在物形態制御鋼
JP2006037147A (ja) 2004-07-26 2006-02-09 Sumitomo Metal Ind Ltd 油井管用鋼材
US20060169368A1 (en) 2004-10-05 2006-08-03 Tenaris Conncections A.G. (A Liechtenstein Corporation) Low carbon alloy steel tube having ultra high strength and excellent toughness at low temperature and method of manufacturing the same
US7566416B2 (en) 2004-10-29 2009-07-28 Sumitomo Metal Industries, Ltd. Steel pipe for an airbag inflator and a process for its manufacture
WO2006046503A1 (ja) * 2004-10-29 2006-05-04 Sumitomo Metal Industries, Ltd. エアバッグインフレータ用鋼管とその製造方法
US7214278B2 (en) 2004-12-29 2007-05-08 Mmfx Technologies Corporation High-strength four-phase steel alloys
JP2006265668A (ja) * 2005-03-25 2006-10-05 Sumitomo Metal Ind Ltd 油井用継目無鋼管
JP4792778B2 (ja) 2005-03-29 2011-10-12 住友金属工業株式会社 ラインパイプ用厚肉継目無鋼管の製造方法
US20060243355A1 (en) 2005-04-29 2006-11-02 Meritor Suspension System Company, U.S. Stabilizer bar
JP4635764B2 (ja) 2005-07-25 2011-02-23 住友金属工業株式会社 継目無鋼管の製造方法
MXPA05008339A (es) 2005-08-04 2007-02-05 Tenaris Connections Ag Acero de alta resistencia para tubos de acero soldables y sin costura.
CN101300369B (zh) 2005-08-22 2010-11-03 住友金属工业株式会社 管线用无缝钢管及其制造方法
JP4997753B2 (ja) 2005-12-16 2012-08-08 タカタ株式会社 乗員拘束装置
US7744708B2 (en) 2006-03-14 2010-06-29 Tenaris Connections Limited Methods of producing high-strength metal tubular bars possessing improved cold formability
JP4751224B2 (ja) 2006-03-28 2011-08-17 新日本製鐵株式会社 靭性と溶接性に優れた機械構造用高強度シームレス鋼管およびその製造方法
WO2008000300A1 (en) 2006-06-29 2008-01-03 Tenaris Connections Ag Seamless precision steel tubes with improved isotropic toughness at low temperature for hydraulic cylinders and process for obtaining the same
US8027667B2 (en) 2006-06-29 2011-09-27 Mobilesphere Holdings LLC System and method for wireless coupon transactions
US8322754B2 (en) 2006-12-01 2012-12-04 Tenaris Connections Limited Nanocomposite coatings for threaded connections
US20080226396A1 (en) 2007-03-15 2008-09-18 Tubos De Acero De Mexico S.A. Seamless steel tube for use as a steel catenary riser in the touch down zone
CN101646788B (zh) * 2007-03-29 2011-04-13 住友金属工业株式会社 加工性优良的渗碳钢管及其制造方法
ATE543922T1 (de) 2007-03-30 2012-02-15 Sumitomo Metal Ind Stahl mit geringem legierungsanteil, nahtloses stahlrohr für ein ölbohrloch und verfahren zur herstellung des nahtlosen stahlrohrs
MX2007004600A (es) 2007-04-17 2008-12-01 Tubos De Acero De Mexico S A Un tubo sin costura para la aplicación como secciones verticales de work-over.
US7862667B2 (en) 2007-07-06 2011-01-04 Tenaris Connections Limited Steels for sour service environments
MX2010005532A (es) 2007-11-19 2011-02-23 Tenaris Connections Ltd Acero bainítico de alta resistencia para aplicaciones octg.
MX2009012811A (es) 2008-11-25 2010-05-26 Maverick Tube Llc Procesamiento de desbastes delgados o flejes compactos de aceros al boro/titanio.
EP2371982B1 (en) 2008-11-26 2018-10-31 Nippon Steel & Sumitomo Metal Corporation Seamless steel pipe and method for manufacturing same
CN101413089B (zh) 2008-12-04 2010-11-03 天津钢管集团股份有限公司 低co2环境用高强度低铬抗腐蚀石油专用管
CN101440428B (zh) * 2008-12-19 2010-06-16 常州市新亚不锈钢管有限公司 高压锅炉用无缝不锈钢管的生产方法
US20100319814A1 (en) 2009-06-17 2010-12-23 Teresa Estela Perez Bainitic steels with boron
CN101613829B (zh) 2009-07-17 2011-09-28 天津钢管集团股份有限公司 150ksi钢级高强韧油气井井下作业用钢管及其生产方法
US9163296B2 (en) 2011-01-25 2015-10-20 Tenaris Coiled Tubes, Llc Coiled tube with varying mechanical properties for superior performance and methods to produce the same by a continuous heat treatment
IT1403688B1 (it) 2011-02-07 2013-10-31 Dalmine Spa Tubi in acciaio con pareti spesse con eccellente durezza a bassa temperatura e resistenza alla corrosione sotto tensione da solfuri.
US8636856B2 (en) 2011-02-18 2014-01-28 Siderca S.A.I.C. High strength steel having good toughness
US8414715B2 (en) 2011-02-18 2013-04-09 Siderca S.A.I.C. Method of making ultra high strength steel having good toughness
CN102305026B (zh) * 2011-05-30 2013-07-03 常熟市异型钢管有限公司 地质勘探用的异型钻杆及其加工方法
US9803256B2 (en) 2013-03-14 2017-10-31 Tenaris Coiled Tubes, Llc High performance material for coiled tubing applications and the method of producing the same

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