JPS54117341A - Welding method for very thick alloy steel plate - Google Patents
Welding method for very thick alloy steel plateInfo
- Publication number
- JPS54117341A JPS54117341A JP2469478A JP2469478A JPS54117341A JP S54117341 A JPS54117341 A JP S54117341A JP 2469478 A JP2469478 A JP 2469478A JP 2469478 A JP2469478 A JP 2469478A JP S54117341 A JPS54117341 A JP S54117341A
- Authority
- JP
- Japan
- Prior art keywords
- max
- welding
- steel plate
- alloy steel
- process annealing
- 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
- Arc Welding In General (AREA)
Abstract
PURPOSE: To perform welding without conducting process annealing and without causing transverasl crack, by specifying, in welding very thick Cr-Mo alloy steel plate or high tensile steel plate, the relation between the max. content of diffused hydrogen in, and max. hardness of, welded metal.
CONSTITUTION: Very thick plate of Cr-Mo alloy steel or high tensile steel of tensile strength of not lower than 80 kg/mm2 is welded under the conditions where the max. hardness Hv and the max. content of diffused hydrogen Hc of the weld zone satisfy the following relation: Hv ≤ 363 - 83 log Hc. This method makes possible multi-layer build-up welding without producing transversal crack, in addn., it makes process annealing unnecessary so that welding cost and working term are reduced. This method prevents also deterioration in performance, such as decrease in strength, of weld zone due to process annealing.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2469478A JPS54117341A (en) | 1978-03-04 | 1978-03-04 | Welding method for very thick alloy steel plate |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2469478A JPS54117341A (en) | 1978-03-04 | 1978-03-04 | Welding method for very thick alloy steel plate |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54117341A true JPS54117341A (en) | 1979-09-12 |
Family
ID=12145266
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2469478A Pending JPS54117341A (en) | 1978-03-04 | 1978-03-04 | Welding method for very thick alloy steel plate |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54117341A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018110357A1 (en) * | 2016-12-12 | 2018-06-21 | 日立造船株式会社 | Welding method |
-
1978
- 1978-03-04 JP JP2469478A patent/JPS54117341A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018110357A1 (en) * | 2016-12-12 | 2018-06-21 | 日立造船株式会社 | Welding method |
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