NO20051913D0 - Process for obtaining increased fatigue strength in welded metal joints and hammer head for use in cold working - Google Patents

Process for obtaining increased fatigue strength in welded metal joints and hammer head for use in cold working

Info

Publication number
NO20051913D0
NO20051913D0 NO20051913A NO20051913A NO20051913D0 NO 20051913 D0 NO20051913 D0 NO 20051913D0 NO 20051913 A NO20051913 A NO 20051913A NO 20051913 A NO20051913 A NO 20051913A NO 20051913 D0 NO20051913 D0 NO 20051913D0
Authority
NO
Norway
Prior art keywords
fatigue strength
cold working
hammer head
welded metal
metal joints
Prior art date
Application number
NO20051913A
Other languages
Norwegian (no)
Other versions
NO20051913L (en
NO324010B1 (en
Inventor
Andreas Fredborg
Original Assignee
Vetco Aibel As
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 Vetco Aibel As filed Critical Vetco Aibel As
Priority to NO20051913A priority Critical patent/NO324010B1/en
Publication of NO20051913D0 publication Critical patent/NO20051913D0/en
Priority to CNA2006800121620A priority patent/CN101218358A/en
Priority to EP06744520A priority patent/EP1937852A1/en
Priority to PCT/IB2006/000928 priority patent/WO2006111829A1/en
Priority to AU2006238580A priority patent/AU2006238580A1/en
Publication of NO20051913L publication Critical patent/NO20051913L/en
Publication of NO324010B1 publication Critical patent/NO324010B1/en

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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Forging (AREA)
  • Heat Treatment Of Articles (AREA)
NO20051913A 2005-04-19 2005-04-19 Method for achieving increased fatigue strength in welded metal joints and hammer heads for use in cold working NO324010B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
NO20051913A NO324010B1 (en) 2005-04-19 2005-04-19 Method for achieving increased fatigue strength in welded metal joints and hammer heads for use in cold working
CNA2006800121620A CN101218358A (en) 2005-04-19 2006-04-19 Method for obtaining enhanced fatigue strength in welded metal joints and hammer head for use at cold working
EP06744520A EP1937852A1 (en) 2005-04-19 2006-04-19 Method for obtaining enhanced fatigue strength in welded metal joints and hammer head for use at cold working
PCT/IB2006/000928 WO2006111829A1 (en) 2005-04-19 2006-04-19 Method for obtaining enhanced fatigue strength in welded metal joints and hammer head for use at cold working
AU2006238580A AU2006238580A1 (en) 2005-04-19 2006-04-19 Method for obtaining enhanced fatigue strength in welded metal joints and hammer head for use at cold working

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO20051913A NO324010B1 (en) 2005-04-19 2005-04-19 Method for achieving increased fatigue strength in welded metal joints and hammer heads for use in cold working

Publications (3)

Publication Number Publication Date
NO20051913D0 true NO20051913D0 (en) 2005-04-19
NO20051913L NO20051913L (en) 2006-10-20
NO324010B1 NO324010B1 (en) 2007-07-30

Family

ID=35267070

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20051913A NO324010B1 (en) 2005-04-19 2005-04-19 Method for achieving increased fatigue strength in welded metal joints and hammer heads for use in cold working

Country Status (5)

Country Link
EP (1) EP1937852A1 (en)
CN (1) CN101218358A (en)
AU (1) AU2006238580A1 (en)
NO (1) NO324010B1 (en)
WO (1) WO2006111829A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101799376B1 (en) * 2011-04-14 2017-11-20 제이에프이 스틸 가부시키가이샤 Impact tip, method for hammer peening, and method for manufacturing weld joint using the same

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53123346A (en) * 1977-04-04 1978-10-27 Mitsubishi Heavy Ind Ltd Treating method for toe of weld
JPS58107292A (en) * 1981-12-21 1983-06-25 Kawasaki Heavy Ind Ltd Method and device for treating welded joint part of pipe
JP3002229B2 (en) * 1990-05-14 2000-01-24 川崎製鉄株式会社 Method for improving the fatigue strength of welded joints
JP3160514B2 (en) * 1995-11-27 2001-04-25 三菱重工業株式会社 Method for improving ultrasonic flaw detection of weld metal
IT239729Y1 (en) * 1996-04-26 2001-03-13 Giovanni Battista Andrina TOOLS FOR DEMOLITION HAMMERS WITH SPECIAL PROFILE.
GB2313801B (en) * 1996-06-05 2000-01-26 Standall Tools Ltd A tool
JP4189201B2 (en) * 2002-10-30 2008-12-03 新日本製鐵株式会社 Method for improving toughness of heat-affected zone in steel welded joints
EP1561827A1 (en) * 2004-02-06 2005-08-10 Alstom Technology Ltd Method of welding a ferritic steel comprising a post weld heat treatment and cold working on the weld

Also Published As

Publication number Publication date
CN101218358A (en) 2008-07-09
NO20051913L (en) 2006-10-20
AU2006238580A1 (en) 2006-10-26
WO2006111829A1 (en) 2006-10-26
NO324010B1 (en) 2007-07-30
EP1937852A1 (en) 2008-07-02

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Legal Events

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Representative=s name: BRYN AARFLOT AS, POSTBOKS 449 SENTRUM, 0104 OSLO,

MM1K Lapsed by not paying the annual fees
RE Reestablishment of rights (par. 72 patents act)