JPS55158825A - Manufacture of thin diameter electric welded steel pipe - Google Patents
Manufacture of thin diameter electric welded steel pipeInfo
- Publication number
- JPS55158825A JPS55158825A JP6636879A JP6636879A JPS55158825A JP S55158825 A JPS55158825 A JP S55158825A JP 6636879 A JP6636879 A JP 6636879A JP 6636879 A JP6636879 A JP 6636879A JP S55158825 A JPS55158825 A JP S55158825A
- Authority
- JP
- Japan
- Prior art keywords
- tin
- pipe
- plated
- steel strip
- electric 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
Landscapes
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
Abstract
PURPOSE: To prevent generation of accidents due to the vibration, etc., by heating the electric welded steel pipe consisting of thin steel strip putting inside the tin- plated face to specified temperatures.
CONSTITUTION: The pretreatment like as the degreasing, the derusting, etc., is applied to the thin steel strip. One side of this steel strip is tin-plated to prepare the material to be formed into the pipe. The lateral both edges of this material are heated and are pressure welded by the electrode roll, putting inside the tin-plated face; hereby, the thin diameter electric welded steep pipe is prepared. Next, this pipe is heated to 720W1,050°C in the atmosphere controlled furnace; hereby, the film of plated tin as the simple substance disappears from the entire inner surface, and the intermetallic compound like as FeSn, FeSn2, or their composite substance, is formed. As a result, the accidents due to the vibration, like as cracking, breaking, etc., are prevented, besides, the temporary rust preventive effect at neighborhood of the inner beads can be obtained.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6636879A JPS55158825A (en) | 1979-05-29 | 1979-05-29 | Manufacture of thin diameter electric welded steel pipe |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6636879A JPS55158825A (en) | 1979-05-29 | 1979-05-29 | Manufacture of thin diameter electric welded steel pipe |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS55158825A true JPS55158825A (en) | 1980-12-10 |
Family
ID=13313823
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6636879A Pending JPS55158825A (en) | 1979-05-29 | 1979-05-29 | Manufacture of thin diameter electric welded steel pipe |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55158825A (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4045596A (en) * | 1975-06-12 | 1977-08-30 | Agence Nationale De Valorisation De La Recherche (Anvar) | Superficial treatment of steel |
-
1979
- 1979-05-29 JP JP6636879A patent/JPS55158825A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4045596A (en) * | 1975-06-12 | 1977-08-30 | Agence Nationale De Valorisation De La Recherche (Anvar) | Superficial treatment of steel |
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