JPS5758984A - Welding method - Google Patents
Welding methodInfo
- Publication number
- JPS5758984A JPS5758984A JP13431180A JP13431180A JPS5758984A JP S5758984 A JPS5758984 A JP S5758984A JP 13431180 A JP13431180 A JP 13431180A JP 13431180 A JP13431180 A JP 13431180A JP S5758984 A JPS5758984 A JP S5758984A
- Authority
- JP
- Japan
- Prior art keywords
- melt
- layer
- pipes
- sprayed
- welded
- 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
Abstract
PURPOSE:To prevent stress corrosion cracking by forming a melt sprayed layer of metal of high stress corrosion cracking sensitivity resistance in the part corresponding to the weld heat-affected zone of materials to be welded. CONSTITUTION:A Cr melt-sprayed layer 2 is made by a melt spraying method on the inside surface at the leading end of a pipe base metal 1 in welding austenitic stainless steel pipes to themselves. The layer 2 is not limited to Cr metal and may be a melt-sprayed layer of, for example, Ni, Mo, etc. or a melt-sprayed layer of austenitic stainless steel of less content of carbon. After the layer 2 is applied, the leading ends of the pipes are edge prepared to single Vee groove type. Next, the bevels of the pipes are but welded to themselves. Since the Cr layer is melt-sprayed extremely thinly, residual stress is extremely small as compared to the one with the build-up welded inside surfaces of pipes, and the Cr layer forms an oxidized film during use, which is desirable in preventing stress corrosion cracking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13431180A JPS5758984A (en) | 1980-09-29 | 1980-09-29 | Welding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13431180A JPS5758984A (en) | 1980-09-29 | 1980-09-29 | Welding method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5758984A true JPS5758984A (en) | 1982-04-09 |
Family
ID=15125322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13431180A Pending JPS5758984A (en) | 1980-09-29 | 1980-09-29 | Welding method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5758984A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7735223B2 (en) | 2003-11-27 | 2010-06-15 | Rolls-Royce Plc | Method of fabricating or repairing a blisk |
| CN104822480A (en) * | 2012-11-29 | 2015-08-05 | 杰富意钢铁株式会社 | Circumferential weld joint for line pipe, method for forming circumferential weld joint for line pipe, and line pipe |
-
1980
- 1980-09-29 JP JP13431180A patent/JPS5758984A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7735223B2 (en) | 2003-11-27 | 2010-06-15 | Rolls-Royce Plc | Method of fabricating or repairing a blisk |
| CN104822480A (en) * | 2012-11-29 | 2015-08-05 | 杰富意钢铁株式会社 | Circumferential weld joint for line pipe, method for forming circumferential weld joint for line pipe, and line pipe |
| US9833856B2 (en) | 2012-11-29 | 2017-12-05 | Jfe Steel Corporation | Circumferential welded joint of line pipe, method of forming circumferential welded joint of line pipe, and line pipe |
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