JPS55112195A - Welding method of stainless steel - Google Patents

Welding method of stainless steel

Info

Publication number
JPS55112195A
JPS55112195A JP1829279A JP1829279A JPS55112195A JP S55112195 A JPS55112195 A JP S55112195A JP 1829279 A JP1829279 A JP 1829279A JP 1829279 A JP1829279 A JP 1829279A JP S55112195 A JPS55112195 A JP S55112195A
Authority
JP
Japan
Prior art keywords
stainless steel
decarburized
layer part
welding
weld
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
JP1829279A
Other languages
Japanese (ja)
Inventor
Juji Asakura
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 JP1829279A priority Critical patent/JPS55112195A/en
Publication of JPS55112195A publication Critical patent/JPS55112195A/en
Pending legal-status Critical Current

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  • Arc Welding In General (AREA)

Abstract

PURPOSE: To obviate the deposition of chrome carbides on the front layer part of the welding heat affected zone by decarburizing stainless steel to turn the surface layer part near the weld zone to a decarburized layer then performing welding at the time of welding stainless steel to itself.
CONSTITUTION: C amount above the solubility limit (0.03% or more) of austenite stainless steel 1 such as SUS304 is decarburized so that at the surface layer part near the weld zone it becomes below the solubility limit. Next, the portions between the weld zones composed of the decarburized layers 5 formed are welded by using weld metal 2. According to this method, the deposition of chrome carbides on the surface layer part of the welding heat affected zone 3 forming the decarburized layer 5 does not occur even if it is heated to a carbide deposition temperature range by welding heat cycle, thus the occurrence of stress corrosion cracking may be prevented.
COPYRIGHT: (C)1980,JPO&Japio
JP1829279A 1979-02-21 1979-02-21 Welding method of stainless steel Pending JPS55112195A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1829279A JPS55112195A (en) 1979-02-21 1979-02-21 Welding method of stainless steel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1829279A JPS55112195A (en) 1979-02-21 1979-02-21 Welding method of stainless steel

Publications (1)

Publication Number Publication Date
JPS55112195A true JPS55112195A (en) 1980-08-29

Family

ID=11967531

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1829279A Pending JPS55112195A (en) 1979-02-21 1979-02-21 Welding method of stainless steel

Country Status (1)

Country Link
JP (1) JPS55112195A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009039734A (en) * 2007-08-07 2009-02-26 Hitachi-Ge Nuclear Energy Ltd Build-up welding method of piping

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009039734A (en) * 2007-08-07 2009-02-26 Hitachi-Ge Nuclear Energy Ltd Build-up welding method of piping

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