JPS5758983A - Welding method for stainless steel - Google Patents
Welding method for stainless steelInfo
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/001—Interlayers, transition pieces for metallurgical bonding of workpieces
- B23K35/004—Interlayers, 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.
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)
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 |
-
1980
- 1980-09-29 JP JP13427480A patent/JPS5758983A/en active Pending
Patent Citations (1)
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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