BR0318308A - tubo de aço sem costura de alta resistência mecánica, bom grau de dureza, boa resistência a fraturas no metal, de base e na zona afetada por calor (haz) e boa resistência à corrosão e processo para sua fabricação - Google Patents

tubo de aço sem costura de alta resistência mecánica, bom grau de dureza, boa resistência a fraturas no metal, de base e na zona afetada por calor (haz) e boa resistência à corrosão e processo para sua fabricação

Info

Publication number
BR0318308A
BR0318308A BRPI0318308-4A BR0318308A BR0318308A BR 0318308 A BR0318308 A BR 0318308A BR 0318308 A BR0318308 A BR 0318308A BR 0318308 A BR0318308 A BR 0318308A
Authority
BR
Brazil
Prior art keywords
good
resistance
high mechanical
mechanical strength
haz
Prior art date
Application number
BRPI0318308-4A
Other languages
English (en)
Other versions
BR0318308B1 (pt
Inventor
Marco Mario Tivelli
Alfonso Izquierdo Garcia
Dionino Colleluori
Guiseppe Cumino
Original Assignee
Tubos De Acero De Mexico S A
Dalmine Spa
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 Tubos De Acero De Mexico S A, Dalmine Spa filed Critical Tubos De Acero De Mexico S A
Publication of BR0318308A publication Critical patent/BR0318308A/pt
Publication of BR0318308B1 publication Critical patent/BR0318308B1/pt

Links

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
    • C22C38/40—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
    • 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
    • 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
    • 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
    • C22C38/20—Ferrous alloys, e.g. steel alloys containing chromium 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
    • C22C38/22—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
    • C22C38/40—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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Articles (AREA)
  • Heat Treatment Of Steel (AREA)

Abstract

"TUBO DE AçO SEM COSTURA DE ALTA RESISTêNCIA MECáNICA, BOM GRAU DE DUREZA, BOA RESISTêNCIA A FRATURAS NO METAL DE BASE E NA ZONA AFETADA POR CALOR (HAZ) E BOA RESISTêNCIA à CORROSãO E PROCESSO PARA SUA FABRICAçãO". A presente invenção refere-se a um aço com uma alta resistência mecânica à temperatura ambiente e até 130<198>C, com uma boa dureza e uma boa resistência à corrosão na base de metal bem como uma boa resistência a rachaduras na zona afetada por calor (HAZ) uma vez que a tubulação é soldada juntamente e, mais especificamente, a uma tubulação de aço inconsútil de padrão pesado com uma alta resistência mecânica, uma boa dureza e uma boa resistência a corrosão chamado de conduto catenário. As vantagens da presente invenção no que diz respeito àqueles do estado da técnica reside na proporção de uma composição química para o aço usado na fabricação de tubulações de aço inconsútil de padrão pesado com uma alta resistência mecânica, uma boa dureza, uma boa resistência a fissuras na HAZ e uma boa resistência à corrosão e um processo para a fabricação deste produto. Estas vantagens são obtidas pelo uso de uma composição composta basicamente de Fe e de uma composição química específica.
BRPI0318308-4A 2003-04-25 2003-04-25 tubo de aço sem costura e processo para sua fabricação. BR0318308B1 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/MX2003/000038 WO2004097059A1 (es) 2003-04-25 2003-04-25 Tubo de acero sin costura para ser utilizado como canalizador y proceso de obtencíon del mismo

Publications (2)

Publication Number Publication Date
BR0318308A true BR0318308A (pt) 2006-07-11
BR0318308B1 BR0318308B1 (pt) 2011-12-13

Family

ID=33411812

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0318308-4A BR0318308B1 (pt) 2003-04-25 2003-04-25 tubo de aço sem costura e processo para sua fabricação.

Country Status (9)

Country Link
US (1) US8002910B2 (pt)
EP (1) EP1627931B1 (pt)
CN (1) CN100545291C (pt)
AU (1) AU2003225402B2 (pt)
BR (1) BR0318308B1 (pt)
DK (1) DK1627931T3 (pt)
EA (1) EA008812B1 (pt)
NO (1) NO342666B1 (pt)
WO (1) WO2004097059A1 (pt)

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EP1627931B1 (en) 2017-05-31
BR0318308B1 (pt) 2011-12-13
WO2004097059A1 (es) 2004-11-11
EA200501668A1 (ru) 2006-04-28
NO20055581D0 (no) 2005-11-25
CN1788103A (zh) 2006-06-14
NO20055581L (no) 2006-01-24
NO342666B1 (no) 2018-06-25
EP1627931A1 (en) 2006-02-22
DK1627931T3 (en) 2018-11-05
AU2003225402A8 (en) 2004-11-23
US20070089813A1 (en) 2007-04-26
CN100545291C (zh) 2009-09-30
AU2003225402B2 (en) 2010-02-25
AU2003225402A1 (en) 2004-11-23
US8002910B2 (en) 2011-08-23

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