SU372403A1 - LIBRARY - Google Patents
LIBRARYInfo
- Publication number
- SU372403A1 SU372403A1 SU1307401A SU1307401A SU372403A1 SU 372403 A1 SU372403 A1 SU 372403A1 SU 1307401 A SU1307401 A SU 1307401A SU 1307401 A SU1307401 A SU 1307401A SU 372403 A1 SU372403 A1 SU 372403A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- layer
- pipe
- corrosion
- library
- resistant steel
- Prior art date
Links
Landscapes
- Arc Welding In General (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Description
1one
Изобретение относитс к Способу соединени эмалированных труб лутем сварки их концевых участков.This invention relates to a process for joining enamelled pipes by welding them at their end portions.
Цель изобретени - исключение отслаивани эмали.The purpose of the invention is the elimination of enamel flaking.
Достигаетс это тем, что на коицевые участки впутрен ей поверхности трубы нанос т слой коррозиопностойкой стали леременного сечени с уклоном к концу трубы и с наследующим эмалированием остальной трубы. Уклон сло коррозионностойкой стали составл ет 1 :20-1 :50.This is achieved by applying a layer of corrosion-resistant steel of section with a slope to the end of the pipe and with subsequent enameling of the rest of the pipe. The slope of the corrosion resistant steel layer is 1: 20-1: 50.
Сущность способа по сн етс че1ртежом.The essence of the method is illustrated by flipchart.
На концевые участки трубы 1 со стороны поверхности, подлежащей эмалированию, методом наплавки нанос т слой 2 коррозионностойкой стали. Затем производ т механическую обработку наллавленнаго сло 2 таким образом, что его тол|Щина увеличиваетс от О до 2 мм в направлении к торцу трубы. Одновременно производ т разделку кромок -поц сварку.A layer 2 of corrosion-resistant steel is deposited on the end portions of pipe 1 from the side of the surface to be enameled by surfacing. Then the machined layer 2 is machined in such a way that its thickness increases from 0 to 2 mm toward the pipe end. At the same time, edge cutting is performed - welding is performed.
После подготовки поверхности нанос т слой 3 эмали на поверхность трубы 1, при этом эмалируют и .слой коррозионностойкой стали 2 за исключением зюны шириной около 20 мм, приле-гающей к торцу трубы. После лроверки сплошнасти эмалевого покрыти трубы стыкуют путем наложени шва 4.After surface preparation, a layer of 3 enamel is applied to the surface of pipe 1, while enameling is also made of a layer of corrosion-resistant steel 2, with the exception of a sjune about 20 mm wide, adjacent to the pipe end. After leveling the enamel coating, the pipes are joined by stitching 4.
Пред мет изобретен и Prev invented and
1. Способ соединени эмалированных труб путем сварки их концевых участков, отличающийс тем, что, с .целью исключени отсланвани эмали на концевые участки внутренней поверхности труб, нанос т слой коррозионностойкой стали Переменного сечени с уклоном к торцу трубы с последующим эмалированием остальной трубы.1. A method of joining enamelled pipes by welding their end sections, characterized in that, in order to prevent enamel from being expelled onto the end sections of the inner surface of pipes, a layer of corrosion-resistant Variable Section steel with a slope to the end of the pipe is applied with subsequent enameling of the rest of the pipe.
2. Способ по П. 1, отличающийс тем, что уклон сло коррозионностойкой стали составл ет 1 : 20-1 : 50.2. The method according to claim 1, characterized in that the slope of the layer of corrosion-resistant steel is 1: 20-1: 50.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1307401A SU372403A1 (en) | 1969-03-03 | 1969-03-03 | LIBRARY |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1307401A SU372403A1 (en) | 1969-03-03 | 1969-03-03 | LIBRARY |
Publications (1)
Publication Number | Publication Date |
---|---|
SU372403A1 true SU372403A1 (en) | 1973-03-01 |
Family
ID=20444736
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU1307401A SU372403A1 (en) | 1969-03-03 | 1969-03-03 | LIBRARY |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU372403A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4611833A (en) * | 1984-05-24 | 1986-09-16 | Atochem | Pipe joints and process for their production |
WO2020221819A1 (en) * | 2019-04-29 | 2020-11-05 | Sms Group Gmbh | Metal pipe, in particular pipe for conveying oil and gas, comprising a metal coating in a transition region |
RU2807225C2 (en) * | 2019-04-29 | 2023-11-13 | Смс Груп Гмбх | Metal pipe, system of at least two mentioned metal pipes and methods for their production |
-
1969
- 1969-03-03 SU SU1307401A patent/SU372403A1/en active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4611833A (en) * | 1984-05-24 | 1986-09-16 | Atochem | Pipe joints and process for their production |
WO2020221819A1 (en) * | 2019-04-29 | 2020-11-05 | Sms Group Gmbh | Metal pipe, in particular pipe for conveying oil and gas, comprising a metal coating in a transition region |
CN113785151A (en) * | 2019-04-29 | 2021-12-10 | Sms集团有限公司 | Metal pipe, in particular a pipe for transporting oil and gas, having a metal coating in the transition region |
RU2807225C2 (en) * | 2019-04-29 | 2023-11-13 | Смс Груп Гмбх | Metal pipe, system of at least two mentioned metal pipes and methods for their production |
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