JPS6462280A - Weld zone for metal chromium - Google Patents
Weld zone for metal chromiumInfo
- Publication number
- JPS6462280A JPS6462280A JP21507187A JP21507187A JPS6462280A JP S6462280 A JPS6462280 A JP S6462280A JP 21507187 A JP21507187 A JP 21507187A JP 21507187 A JP21507187 A JP 21507187A JP S6462280 A JPS6462280 A JP S6462280A
- Authority
- JP
- Japan
- Prior art keywords
- weld zone
- metal
- welding
- blowhole
- cross
- 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 obtain a weld zone which can be utilized to obtain metal Cr structural material excellent in the mechanical property by providing the ratio of the area of a blowhole to the cross-sectional area of a weld zone to less thus a prescribed value. CONSTITUTION:The area of the blowhole at the cross section of the weld zone of metal Cr of this invention is <=1.0% with respect to the cross-sectional area of the weld zone. since said blowhole is caused by cohering of hydrogen contained in the metal Cr at the time of welding, it is necessary to perform welding while eliminating said hydrogen. For this purpose, inert gas containing oxygen is used as shielding gas or atmosphere gas for said weld zone and the metal Cr is obtained by performing TIG welding or MIG welding. In this case, it is preferable to provide 0.1-10.0% capacity % oxygen concentration and hydrogen content <=50ppm for the metal Cr to be used for welding. In addition, it is preferable to use He, Ar, etc., which do not give an influence on the weld.one as the inert gas.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21507187A JPS6462280A (en) | 1987-08-31 | 1987-08-31 | Weld zone for metal chromium |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21507187A JPS6462280A (en) | 1987-08-31 | 1987-08-31 | Weld zone for metal chromium |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6462280A true JPS6462280A (en) | 1989-03-08 |
Family
ID=16666275
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP21507187A Pending JPS6462280A (en) | 1987-08-31 | 1987-08-31 | Weld zone for metal chromium |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6462280A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8678141B2 (en) | 2007-03-23 | 2014-03-25 | Otis Elevator Company | Electromagnetic coupling with a slider layer |
-
1987
- 1987-08-31 JP JP21507187A patent/JPS6462280A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8678141B2 (en) | 2007-03-23 | 2014-03-25 | Otis Elevator Company | Electromagnetic coupling with a slider layer |
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