JPS5519444A - Welding method of low temperature steel - Google Patents
Welding method of low temperature steelInfo
- Publication number
- JPS5519444A JPS5519444A JP9187878A JP9187878A JPS5519444A JP S5519444 A JPS5519444 A JP S5519444A JP 9187878 A JP9187878 A JP 9187878A JP 9187878 A JP9187878 A JP 9187878A JP S5519444 A JPS5519444 A JP S5519444A
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- electrodes
- low temperature
- beads
- succeeding
- 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
Abstract
PURPOSE: To suppress the growth of crystal and improve low-temperature toughness, etc. of fusion metal by defining the spacing of the multiple electrodes directed to the inside of square groove and generating arc alternately from the respective electrodes.
CONSTITUTION: Current-supplying chips 2a, 2b kare held inserted into the square groove where low temperature steels 1, 1 are butted. Consumable electrodes 3a, 3b directing both fillet parts are alternately suplied at a short period from the respective chips 2a, 2b. The inter-electrode spacing of the electrodes 3a, 3b is set at 10 to 40 mm. The preceding beads 4a of sufficient penetration are formed to one fillet part of the first layer by the preceding electrode 3a, thence the succeeding beads 4B are formed for the other fillet part by the succeeding electrode 3b; At this time, part of the preceding beads 4a having held preheat are partly melted by the succeeding electrode 3b, whereby the coarsened crystals are fined. In a similar manner, the second and subsequent layers are welded to part the formation directions of the respective crystals, whereby low temperature toughness is provided.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9187878A JPS5519444A (en) | 1978-07-26 | 1978-07-26 | Welding method of low temperature steel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9187878A JPS5519444A (en) | 1978-07-26 | 1978-07-26 | Welding method of low temperature steel |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5519444A true JPS5519444A (en) | 1980-02-12 |
Family
ID=14038808
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9187878A Pending JPS5519444A (en) | 1978-07-26 | 1978-07-26 | Welding method of low temperature steel |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5519444A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008048501A (en) * | 2006-08-11 | 2008-02-28 | Denso Corp | Brushless alternator for vehicle |
-
1978
- 1978-07-26 JP JP9187878A patent/JPS5519444A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008048501A (en) * | 2006-08-11 | 2008-02-28 | Denso Corp | Brushless alternator for vehicle |
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