JPS56160882A - Butt welding for different material joint of piping - Google Patents
Butt welding for different material joint of pipingInfo
- Publication number
- JPS56160882A JPS56160882A JP6284480A JP6284480A JPS56160882A JP S56160882 A JPS56160882 A JP S56160882A JP 6284480 A JP6284480 A JP 6284480A JP 6284480 A JP6284480 A JP 6284480A JP S56160882 A JPS56160882 A JP S56160882A
- Authority
- JP
- Japan
- Prior art keywords
- welding
- butt welding
- joint
- stress
- steel tube
- 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 reduce stress at the time of welding and prevent stress corrosion cracking of a weld zone by making the position of a joint a specified length apart from the part where there is change in rigidity between both prts or the part jointed to other members and performing butt welding using building up at the same time.
CONSTITUTION: In butt welding of a joint of different materials such as a carbon steel tube and a stainless steel tube, the position of the joint is made apart from the part where there is change in rigidity or the part connected to other member by a distance of ≥2.5(R.t)1/2 where R is radius and (t) is the thickness of the tube. Under this condition, butt welding is performed after applying build up welding of inconel etc. to a member, for instance a carbon steel tube. By this method, stress at the time of welding is released and stress corrosion cracking caused by stress level can be prevented. This method can be applied to butt welding of a joint of different materials used in nuclear power plants etc.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6284480A JPS56160882A (en) | 1980-05-14 | 1980-05-14 | Butt welding for different material joint of piping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6284480A JPS56160882A (en) | 1980-05-14 | 1980-05-14 | Butt welding for different material joint of piping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS56160882A true JPS56160882A (en) | 1981-12-10 |
Family
ID=13212012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6284480A Pending JPS56160882A (en) | 1980-05-14 | 1980-05-14 | Butt welding for different material joint of piping |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56160882A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6149788A (en) * | 1984-08-15 | 1986-03-11 | Hitachi Ltd | Steam turbine |
| WO2006115754A3 (en) * | 2005-04-26 | 2007-01-18 | Exxonmobil Upstream Res Co | Apparatus and methods of improving riser weld fatigue |
-
1980
- 1980-05-14 JP JP6284480A patent/JPS56160882A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6149788A (en) * | 1984-08-15 | 1986-03-11 | Hitachi Ltd | Steam turbine |
| JPH0510191B2 (en) * | 1984-08-15 | 1993-02-09 | Hitachi Ltd | |
| WO2006115754A3 (en) * | 2005-04-26 | 2007-01-18 | Exxonmobil Upstream Res Co | Apparatus and methods of improving riser weld fatigue |
| US7897267B2 (en) | 2005-04-26 | 2011-03-01 | Exxonmobil Upstream Research Company | Apparatus and methods of improving riser weld fatigue |
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