ERW carbon steel tube has this processing technology, which has the advantages of post welding heat treatment, eliminating residual stress in weld and...
Date:2018-05-24 Tags:How to ensure the quality of ERW carbon steel pipe
P110 casing plays an important role in oil well operation. They can protect shallow and shallow oil wells, and also support oil and gas transportation...
Date:2018-05-24 Tags:Function and repair of P110 casing
(3) For long oil and casing string, it is recommended to use sliding type elevator. Chuck and slip shall be clean, undamaged, and properly fitted. For...
Date:2018-05-24 Tags:Field requirements for casing operation
Casing process in a factory The alternative quenching method provided by this study can not only reduce the internal stress produced in the quenching...
Date:2018-05-24 Tags:Process of casing pipe in plant
Mg-Al spinel in the liquid steel of casing pipe begins to change into the liquid calcium aluminate; the magnesia-alumina spinel is more easily modifie...
Date:2018-05-24 Tags:Microstructure of magnesium aluminum in casing
he stress and deformation of the ERW pipe will produce stress and deformation on the surface of the ERW pipe as long as it is welded in the production...
Date:2018-05-23 Tags:Stress and deformation of ERW tube
Dimensional tolerance of erw steel pipe...
Date:2018-05-23 Tags:Dimensional tolerance of erw steel pipe
The effect of roller adjustment on the quality of ERW has a process called roller adjustment when producing ERW pipes. During the production process, ...
Date:2018-05-23 Tags:Effect of roller adjustment on the quality of ERW steel pipe
1, choose the right process From the comparison of several large longitudinal welded pipe technology and the development analysis of large longitudin...
Date:2018-05-23 Tags:Problems to be solved in the construction of large diameter longitudinal welded pipe mill in China
he straightening method of DSAW pipe: One, the DSAW tube is bent in the same direction Reason: Welding normalization is insufficient, the pipe has t...
Date:2018-05-23 Tags:The straightening method of DSAW tube
1, choose the right process From the comparison of several large longitudinal welded pipe technology and the development analysis of large longitudin...
Date:2018-05-22 Tags:Problems to be solved in building large straight seam welded pipe units in China
There are many ways to connect carbon steel seamless pipes. Now lists several common methods: A, compression type; B, real-time connection; C, compre...
Date:2018-05-22 Tags:Seamless connection of carbon steel
In the ultrasonic detection of DSAW tube, how to identify and determine echo is a key issue. By analyzing the actual ultrasonic detection characterist...
Date:2018-05-21 Tags:Ultrasonic Testing of DSAW Pipe
There are many ways to connect carbon seamless steel pipe, and now several commonly used methods are listed: a, compression type; b, live connection;...
Date:2018-05-21 Tags:Carbon steel seamless connection
The straightening method of DSAW tube: One, the DSAW tube is bent in the same direction Reason: Welding normalization is insufficient, the pipe has ...
Date:2018-05-21 Tags:Straight seam submerged arc welded pipe straightening method
