JPS5613436A - Groovelike corrosion resistant seam welded steel pipe - Google Patents
Groovelike corrosion resistant seam welded steel pipeInfo
- Publication number
- JPS5613436A JPS5613436A JP8684179A JP8684179A JPS5613436A JP S5613436 A JPS5613436 A JP S5613436A JP 8684179 A JP8684179 A JP 8684179A JP 8684179 A JP8684179 A JP 8684179A JP S5613436 A JPS5613436 A JP S5613436A
- Authority
- JP
- Japan
- Prior art keywords
- groovelike
- steel pipe
- welded steel
- seam welded
- weld zone
- 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
-
- 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
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 groovelike corrosion of weld zone without adding expensive alloy elements, by heat-treating the seam welded steel pipe at a fixed temperature. CONSTITUTION:Seam welded steel pipe is heat-treated at 730-780 deg.C within 30min by the heat treatment furnace or high-frequency induction heating furnace and is air-cooled. Generation of groovelike corrosion by the service water, sea water, industrial water at the weld zone can be prevented by aggregating finely dispersed carbide on the weld zone in a short time by the heat treatment.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8684179A JPS5613436A (en) | 1979-07-11 | 1979-07-11 | Groovelike corrosion resistant seam welded steel pipe |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8684179A JPS5613436A (en) | 1979-07-11 | 1979-07-11 | Groovelike corrosion resistant seam welded steel pipe |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5613436A true JPS5613436A (en) | 1981-02-09 |
Family
ID=13898032
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8684179A Pending JPS5613436A (en) | 1979-07-11 | 1979-07-11 | Groovelike corrosion resistant seam welded steel pipe |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5613436A (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62113187U (en) * | 1985-12-30 | 1987-07-18 | ||
JPS62121283U (en) * | 1986-01-27 | 1987-08-01 | ||
JPS6318484U (en) * | 1986-07-21 | 1988-02-06 | ||
JPS6318488U (en) * | 1986-07-21 | 1988-02-06 | ||
JPS63127995A (en) * | 1986-11-18 | 1988-05-31 | 株式会社 大倉製作所 | Carrying storage device by crane |
JPS63127907A (en) * | 1986-11-18 | 1988-05-31 | Ookura Seisakusho:Kk | Transporting and housing device |
JPS6384028U (en) * | 1986-11-18 | 1988-06-02 | ||
JPS63185795A (en) * | 1987-01-26 | 1988-08-01 | 新日本製鐵株式会社 | Rack conveyor |
CN105925788A (en) * | 2016-06-08 | 2016-09-07 | 中国能源建设集团湖南火电建设有限公司 | Welding heat treatment technology for large-diameter alloy steel tubes |
-
1979
- 1979-07-11 JP JP8684179A patent/JPS5613436A/en active Pending
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62113187U (en) * | 1985-12-30 | 1987-07-18 | ||
JPH0435344Y2 (en) * | 1985-12-30 | 1992-08-21 | ||
JPS62121283U (en) * | 1986-01-27 | 1987-08-01 | ||
JPH0435345Y2 (en) * | 1986-01-27 | 1992-08-21 | ||
JPS6318484U (en) * | 1986-07-21 | 1988-02-06 | ||
JPS6318488U (en) * | 1986-07-21 | 1988-02-06 | ||
JPS63127995A (en) * | 1986-11-18 | 1988-05-31 | 株式会社 大倉製作所 | Carrying storage device by crane |
JPS63127907A (en) * | 1986-11-18 | 1988-05-31 | Ookura Seisakusho:Kk | Transporting and housing device |
JPS6384028U (en) * | 1986-11-18 | 1988-06-02 | ||
JPS63185795A (en) * | 1987-01-26 | 1988-08-01 | 新日本製鐵株式会社 | Rack conveyor |
CN105925788A (en) * | 2016-06-08 | 2016-09-07 | 中国能源建设集团湖南火电建设有限公司 | Welding heat treatment technology for large-diameter alloy steel tubes |
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