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JPS5469516A - Heat treating method for austenitic stainless steel to prevent stress corrosion cracking - Google Patents

Heat treating method for austenitic stainless steel to prevent stress corrosion cracking

Info

Publication number
JPS5469516A
JPS5469516A JP13570377A JP13570377A JPS5469516A JP S5469516 A JPS5469516 A JP S5469516A JP 13570377 A JP13570377 A JP 13570377A JP 13570377 A JP13570377 A JP 13570377A JP S5469516 A JPS5469516 A JP S5469516A
Authority
JP
Japan
Prior art keywords
carbide
stainless steel
austenitic stainless
stress corrosion
corrosion cracking
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP13570377A
Other languages
Japanese (ja)
Inventor
Sumi Yoshida
Yasuhiko Mori
Shigeo Hattori
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP13570377A priority Critical patent/JPS5469516A/en
Publication of JPS5469516A publication Critical patent/JPS5469516A/en
Pending legal-status Critical Current

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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni

Landscapes

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

Abstract

PURPOSE:To prevent the stress corrosion cracking of a metastable austenitic stainless steel without deteriorating the characteristics of the base metal by heating the sensitized region formed by welding the steel, in a temp. zone in which carbide is precipitated. CONSTITUTION:When a metastable austenitic stainless steel previously stabilized or treated to precipitate carbide is welded, a sensitized region is formed in the vicinity of a deposited metal. The region is soln. heat treated or heat treated in a temp. zone in which carbide is precipitated while controlling the treating time so that a Cr-depression layer is not formed in the periphery of the carbide. Thus, the region is recovered. Since the base metal was already stabilized or treated to precipitate carbide, it is not affected by the local heat treatment and the characteristics do not deteriorate.
JP13570377A 1977-11-14 1977-11-14 Heat treating method for austenitic stainless steel to prevent stress corrosion cracking Pending JPS5469516A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13570377A JPS5469516A (en) 1977-11-14 1977-11-14 Heat treating method for austenitic stainless steel to prevent stress corrosion cracking

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13570377A JPS5469516A (en) 1977-11-14 1977-11-14 Heat treating method for austenitic stainless steel to prevent stress corrosion cracking

Publications (1)

Publication Number Publication Date
JPS5469516A true JPS5469516A (en) 1979-06-04

Family

ID=15157909

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13570377A Pending JPS5469516A (en) 1977-11-14 1977-11-14 Heat treating method for austenitic stainless steel to prevent stress corrosion cracking

Country Status (1)

Country Link
JP (1) JPS5469516A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005068674A1 (en) * 2004-01-13 2005-07-28 Mitsubishi Heavy Industries, Ltd. Austenitic stainless steel, method for producing same and structure using same
EP2100977A1 (en) * 2008-03-13 2009-09-16 General Electric Company Method of increasing resistance to stress corrosion cracking of austenitic stainless steels

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005068674A1 (en) * 2004-01-13 2005-07-28 Mitsubishi Heavy Industries, Ltd. Austenitic stainless steel, method for producing same and structure using same
EP1715071A1 (en) * 2004-01-13 2006-10-25 Mitsubishi Heavy Industries, Ltd. Austenitic stainless steel, method for producing same and structure using same
EP1715071A4 (en) * 2004-01-13 2007-08-29 Mitsubishi Heavy Ind Ltd Austenitic stainless steel, method for producing same and structure using same
US8172959B2 (en) 2004-01-13 2012-05-08 Mitsubishi Heavy Industries, Ltd. Austenitic stainless steel, manufacturing method for the same, and structure using the same
EP2100977A1 (en) * 2008-03-13 2009-09-16 General Electric Company Method of increasing resistance to stress corrosion cracking of austenitic stainless steels

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