BRPI0615362B8 - tubo de aço sem costura para tubo de linha e processo para sua produção - Google Patents

tubo de aço sem costura para tubo de linha e processo para sua produção

Info

Publication number
BRPI0615362B8
BRPI0615362B8 BRPI0615362A BRPI0615362A BRPI0615362B8 BR PI0615362 B8 BRPI0615362 B8 BR PI0615362B8 BR PI0615362 A BRPI0615362 A BR PI0615362A BR PI0615362 A BRPI0615362 A BR PI0615362A BR PI0615362 B8 BRPI0615362 B8 BR PI0615362B8
Authority
BR
Brazil
Prior art keywords
seamless steel
pipe
steel pipe
production
line pipe
Prior art date
Application number
BRPI0615362A
Other languages
English (en)
Inventor
Kunio Kondo
Nobuyuki Hisamune
Yuji Arai
Original Assignee
Nippon Steel & Sumitomo Metal Corp
Nippon Steel Corp
Sumitomo Metal Ind
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 Nippon Steel & Sumitomo Metal Corp, Nippon Steel Corp, Sumitomo Metal Ind filed Critical Nippon Steel & Sumitomo Metal Corp
Publication of BRPI0615362A2 publication Critical patent/BRPI0615362A2/pt
Publication of BRPI0615362B1 publication Critical patent/BRPI0615362B1/pt
Publication of BRPI0615362B8 publication Critical patent/BRPI0615362B8/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
    • C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
    • 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
    • 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
    • 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
    • C22C38/04—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
    • C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • 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
    • C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S148/00—Metal treatment
    • Y10S148/902—Metal treatment having portions of differing metallurgical properties or characteristics
    • Y10S148/909—Tube

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)
  • Manufacturing & Machinery (AREA)
  • Heat Treatment Of Articles (AREA)
  • Heat Treatment Of Steel (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Conductive Materials (AREA)
  • Reinforcement Elements For Buildings (AREA)

Abstract

tubo de aço sem costura para tubo de linha e processo para sua produção. a presente invenção refere-se a um tubo de aço sem costura para tubo de linha tendo alta resistência e boas dureza e resistência à corro-são embora tendo uma parede grossa tem uma composição química compreendendo, em percentual em massa, c: 0,02-0,08%, si: no máximo 0,5%, mn: 1,5-3,0%, ai: 0,001-0,10%, mo: maior que 0,4% a 1,2%, n: 0,002- 0.015%, ca: 0,0002-0,007%, e o restante sendo fe e impurezas, onde os teores das impurezas são no máximo 0,03% para p, no máximo 0,005% para 5, no máximo 0,005% para o, e menos de 0,0005% para b e onde o valor de pcm calculado pela equação (1) é de pelo menos 0,185 e no máximo 0,250, o tubo tendo uma microestrutura compreendendo principalmente bainita e tendo um comprimento de cementita de no máximo 20 micrômetros: pcm = [cii + [si]130 + ([mn] + [or] + [cu])/20 + [moi/is + [v]/10 + 5[b] ... (1) onde [o], [si], [mn], [or], [cu], [mo], [vi e [b] são números indicando respectivamente os teores em percentual em massa de o, si, mn, or, cu, mo, v e b.
BRPI0615362A 2005-08-22 2006-08-22 tubo de aço sem costura para tubo de linha e processo para sua produção BRPI0615362B8 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2005-240069 2005-08-22
JP2005240069 2005-08-22
PCT/JP2006/316399 WO2007023806A1 (ja) 2005-08-22 2006-08-22 ラインパイプ用継目無鋼管およびその製造方法

Publications (3)

Publication Number Publication Date
BRPI0615362A2 BRPI0615362A2 (pt) 2011-05-17
BRPI0615362B1 BRPI0615362B1 (pt) 2014-04-08
BRPI0615362B8 true BRPI0615362B8 (pt) 2016-05-24

Family

ID=37771549

Family Applications (3)

Application Number Title Priority Date Filing Date
BRPI0615362A BRPI0615362B8 (pt) 2005-08-22 2006-08-22 tubo de aço sem costura para tubo de linha e processo para sua produção
BRPI0615216-3A BRPI0615216B1 (pt) 2005-08-22 2006-08-22 Tubo de aço sem costura tendo uma espessura de parede de pelo menos 30 mm para tubo de transporte e processo para sua produção
BRPI0615215-5B1A BRPI0615215B1 (pt) 2005-08-22 2006-08-22 Tubo de aço sem costura para tubo de linha e processo para sua produção

Family Applications After (2)

Application Number Title Priority Date Filing Date
BRPI0615216-3A BRPI0615216B1 (pt) 2005-08-22 2006-08-22 Tubo de aço sem costura tendo uma espessura de parede de pelo menos 30 mm para tubo de transporte e processo para sua produção
BRPI0615215-5B1A BRPI0615215B1 (pt) 2005-08-22 2006-08-22 Tubo de aço sem costura para tubo de linha e processo para sua produção

Country Status (10)

Country Link
US (3) US7931757B2 (pt)
EP (3) EP1918398B1 (pt)
JP (3) JP4502012B2 (pt)
CN (3) CN101287852A (pt)
AR (2) AR054935A1 (pt)
AU (3) AU2006282410B2 (pt)
BR (3) BRPI0615362B8 (pt)
CA (3) CA2620049C (pt)
NO (3) NO340253B1 (pt)
WO (3) WO2007023804A1 (pt)

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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

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US20080216928A1 (en) 2008-09-11
CN101300369A (zh) 2008-11-05
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CA2620049A1 (en) 2007-03-01
AR059871A1 (es) 2008-05-07
NO20080939L (no) 2008-05-08
EP1918397B1 (en) 2016-07-20
EP1918398B1 (en) 2012-10-31
EP1918397A4 (en) 2009-08-19
US20080219878A1 (en) 2008-09-11
US7896985B2 (en) 2011-03-01
AU2006282411A1 (en) 2007-03-01
CA2620054A1 (en) 2007-03-01
CN101300369B (zh) 2010-11-03
WO2007023805A1 (ja) 2007-03-01
US20090114318A1 (en) 2009-05-07
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AU2006282412B2 (en) 2009-12-03
JPWO2007023804A1 (ja) 2009-02-26
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CN101287853A (zh) 2008-10-15
JP4502010B2 (ja) 2010-07-14
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BRPI0615362A2 (pt) 2011-05-17
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NO340253B1 (no) 2017-03-27
BRPI0615215B1 (pt) 2014-10-07
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EP1918400B1 (en) 2011-07-06
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AU2006282410A1 (en) 2007-03-01
BRPI0615362B1 (pt) 2014-04-08
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