JPS5758983A - Welding method for stainless steel - Google Patents

Welding method for stainless steel

Info

Publication number
JPS5758983A
JPS5758983A JP13427480A JP13427480A JPS5758983A JP S5758983 A JPS5758983 A JP S5758983A JP 13427480 A JP13427480 A JP 13427480A JP 13427480 A JP13427480 A JP 13427480A JP S5758983 A JPS5758983 A JP S5758983A
Authority
JP
Japan
Prior art keywords
corrosion cracking
residual stress
area
stress corrosion
stress
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
JP13427480A
Other languages
Japanese (ja)
Inventor
Risuke Nayama
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.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries 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 Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP13427480A priority Critical patent/JPS5758983A/en
Publication of JPS5758983A publication Critical patent/JPS5758983A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/001Interlayers, transition pieces for metallurgical bonding of workpieces
    • B23K35/004Interlayers, transition pieces for metallurgical bonding of workpieces at least one of the workpieces being of a metal of the iron group

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Arc Welding In General (AREA)

Abstract

PURPOSE:To put the sensitization area of base metals under residual stress of compression and prevent the occurrence of stress corrosion cracking by laminating weld metal which is difficult to sensitize despite receiving of heat cycles in the groove then executing regular welding. CONSTITUTION:When the 1st layer W1 of weld metal of good stress corrosion cracking resistance performance is laminated in the groove part of base metals M, the base metal heat-affected zone S receiving sensitization heat cycle sensitizes and residual stress is in the state of tension +. However, when the 2nd layer W2 and the 3rd layer W3 are laminated, the residual stress distribution changes in accordance with this, and the area of tensiron + moves towards the central part of the joint. Hence, after the lamination of a number of layers, the residual stress in the sensitized area of the base metals B is compression - and no stress corrosion cracking occurs. On the other hand, in the area where the residual stress at this time is tension +, no stress corrosion cracking occurs either because of the weld metal of good stress corrosion cracking resistance.
JP13427480A 1980-09-29 1980-09-29 Welding method for stainless steel Pending JPS5758983A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13427480A JPS5758983A (en) 1980-09-29 1980-09-29 Welding method for stainless steel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13427480A JPS5758983A (en) 1980-09-29 1980-09-29 Welding method for stainless steel

Publications (1)

Publication Number Publication Date
JPS5758983A true JPS5758983A (en) 1982-04-09

Family

ID=15124444

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13427480A Pending JPS5758983A (en) 1980-09-29 1980-09-29 Welding method for stainless steel

Country Status (1)

Country Link
JP (1) JPS5758983A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5219126A (en) * 1975-08-07 1977-02-14 Ishikawajima Harima Heavy Ind Process for austenite stainless steel welding

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5219126A (en) * 1975-08-07 1977-02-14 Ishikawajima Harima Heavy Ind Process for austenite stainless steel welding

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