JPS5457438A - One side welding method with backing strip - Google Patents
One side welding method with backing stripInfo
- Publication number
- JPS5457438A JPS5457438A JP12494677A JP12494677A JPS5457438A JP S5457438 A JPS5457438 A JP S5457438A JP 12494677 A JP12494677 A JP 12494677A JP 12494677 A JP12494677 A JP 12494677A JP S5457438 A JPS5457438 A JP S5457438A
- Authority
- JP
- Japan
- Prior art keywords
- backing
- parent metal
- grained
- metal
- flux
- 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.)
- Granted
Links
Abstract
PURPOSE: To stably form the sound, beautiful sealing bead, by forming grained refractory flux layer and the grained backing flux layer on the backing metal strip, and by pressing these backing materials against the back face of the welded parent metal, and then, by carrying out the welding from upside of the parent metal.
CONSTITUTION: On the backing metal strip 2, the grained refractory flux 3, containing 80% by weight or more rough grain larger than 74μ and 30% or more rough grain larger than 149μ, is spread 2W10mm thick, and on this layer, the grained backing flux 4, containing 50% or more grain smaller than 840μ, 40% or more grain larger than 74μ, and the thermosetting binder, is spread 2W6mm thick. These fluxes and backing strip 2 are pressed against the back face of the welded parent metal 1 using the press tube 6, and then, the welding is carried out from upside of the parent metal 1. According to this method, the tightness of the backing materials against the parent metal 1 is increased, and besides, the tip of the sealing bead does not contact with the backing metal, so that uniform and beautiful sealing bead is stably obtained
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12494677A JPS5944958B2 (en) | 1977-10-17 | 1977-10-17 | Single-sided back welding method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12494677A JPS5944958B2 (en) | 1977-10-17 | 1977-10-17 | Single-sided back welding method |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5457438A true JPS5457438A (en) | 1979-05-09 |
JPS5944958B2 JPS5944958B2 (en) | 1984-11-02 |
Family
ID=14898102
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12494677A Expired JPS5944958B2 (en) | 1977-10-17 | 1977-10-17 | Single-sided back welding method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5944958B2 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5884675A (en) * | 1981-11-13 | 1983-05-20 | Nippon Steel Corp | Backing method for one side submerged arc welding |
JPS6015091A (en) * | 1983-07-08 | 1985-01-25 | Nippon Steel Corp | One-side arc welding method |
JPS6076277A (en) * | 1983-10-03 | 1985-04-30 | Ishikawajima Harima Heavy Ind Co Ltd | One side arc welding method of welded joint |
-
1977
- 1977-10-17 JP JP12494677A patent/JPS5944958B2/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5884675A (en) * | 1981-11-13 | 1983-05-20 | Nippon Steel Corp | Backing method for one side submerged arc welding |
JPS6015091A (en) * | 1983-07-08 | 1985-01-25 | Nippon Steel Corp | One-side arc welding method |
JPS6076277A (en) * | 1983-10-03 | 1985-04-30 | Ishikawajima Harima Heavy Ind Co Ltd | One side arc welding method of welded joint |
Also Published As
Publication number | Publication date |
---|---|
JPS5944958B2 (en) | 1984-11-02 |
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