AR061657A1 - Proceso para la fabricacion de tubos de acero de precision sin costura para cilindros hidraulicos, tubo de acero y cilindro hidraulico obtenido - Google Patents

Proceso para la fabricacion de tubos de acero de precision sin costura para cilindros hidraulicos, tubo de acero y cilindro hidraulico obtenido

Info

Publication number
AR061657A1
AR061657A1 ARP070102836A ARP070102836A AR061657A1 AR 061657 A1 AR061657 A1 AR 061657A1 AR P070102836 A ARP070102836 A AR P070102836A AR P070102836 A ARP070102836 A AR P070102836A AR 061657 A1 AR061657 A1 AR 061657A1
Authority
AR
Argentina
Prior art keywords
seamless
steel tube
steel
precision
tube
Prior art date
Application number
ARP070102836A
Other languages
English (en)
Original Assignee
Tenaris Connections A G
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 A G filed Critical Tenaris Connections A G
Publication of AR061657A1 publication Critical patent/AR061657A1/es

Links

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
    • 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
    • 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
    • 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
    • C21D1/185—Hardening; Quenching with or without subsequent tempering from an intercritical temperature
    • 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
    • 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
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12292—Workpiece with longitudinal passageway or stopweld material [e.g., for tubular stock, etc.]

Landscapes

  • 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)
  • Manufacturing & Machinery (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Articles (AREA)

Abstract

Proceso para la fabricacion tubos de acero de precision sin costura para usar en cilindros hidráulicos, que tienen una mayor tenacidad isotropica a bajas temperaturas, que comprende los siguientes pasos: (i) proporcionar un acero con una composicion que comprende 0,06-0,15% en peso de carbono, 0,30-2,5% en peso de Mn, y 0,10-0,60%, en pesa de Si, (ii) laminar en caliente dicho acero a una temperatura mayor que Ac3 de manera tal de obtener un tubo de acero sin costura, (iii) calentar dicho tubo de acero sin costura hasta una temperatura dentro del rango entre Ac1 y Ac3, (iv) enfriar dicho tubo de acero sin costura calentado, de manera de establecer una microestructura de fase dual (o multi-fase) en el acero que se emplea, compuesta de ferrita y martensita y opcionalmente bainita y/o austenita retenida, (v) estirar en frío el tubo de acero sin costura enfriado, de manera tal de proporcionar un tubo de acero de precision sin costura de las dimensiones deseadas, (vi) someter al tubo de acero de precision sin costura que se obtiene de esa manera, a un tratamiento de eliminacion de tensiones internas para mejorar su tenacidad isotropica, y opcionalmente, (vii) rectificar el tubo de acero de precision sin costura con tenacidad mejorada que se obtiene de esa manera.
ARP070102836A 2006-06-29 2007-06-26 Proceso para la fabricacion de tubos de acero de precision sin costura para cilindros hidraulicos, tubo de acero y cilindro hidraulico obtenido AR061657A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2006/063701 WO2008000300A1 (en) 2006-06-29 2006-06-29 Seamless precision steel tubes with improved isotropic toughness at low temperature for hydraulic cylinders and process for obtaining the same

Publications (1)

Publication Number Publication Date
AR061657A1 true AR061657A1 (es) 2008-09-10

Family

ID=37833537

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP070102836A AR061657A1 (es) 2006-06-29 2007-06-26 Proceso para la fabricacion de tubos de acero de precision sin costura para cilindros hidraulicos, tubo de acero y cilindro hidraulico obtenido

Country Status (12)

Country Link
US (1) US8926771B2 (es)
EP (1) EP2044228B1 (es)
JP (1) JP2009541589A (es)
KR (1) KR101340165B1 (es)
CN (1) CN101506392B (es)
AR (1) AR061657A1 (es)
AT (1) ATE468412T1 (es)
BR (1) BRPI0621843B1 (es)
CL (1) CL2007001903A1 (es)
DE (1) DE602006014451D1 (es)
MX (1) MX2009000219A (es)
WO (1) WO2008000300A1 (es)

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MXPA05008339A (es) * 2005-08-04 2007-02-05 Tenaris Connections Ag Acero de alta resistencia para tubos de acero soldables y sin costura.
US7744708B2 (en) * 2006-03-14 2010-06-29 Tenaris Connections Limited Methods of producing high-strength metal tubular bars possessing improved cold formability
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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.
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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.
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CN113278890A (zh) 2013-06-25 2021-08-20 特纳瑞斯连接有限公司 高铬耐热钢
CN104046924B (zh) 2014-06-25 2017-01-04 宝山钢铁股份有限公司 一种汽车安全气囊用高强韧无缝钢管及其制造方法
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CN114289998A (zh) * 2021-12-17 2022-04-08 绍兴力欣液压件有限公司 一种高强度油缸的制备工艺
CN114619004B (zh) * 2022-02-28 2024-06-11 包头钢铁（集团）有限责任公司 一种稀土微合金化冷拔高强液压缸筒用无缝钢管及其制备方法
CN114934163B (zh) * 2022-04-02 2023-09-29 常州市联谊特种不锈钢管有限公司 适合制造卡套的超低碳奥氏体不锈钢薄壁无缝管制造方法
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