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1. Construction preparation before use of LSAW steel pipe Pipe trenches must be dug, pipe wells must be built, all kinds of straight seam steel pipes must be in place, and all kinds of tools needed...

Steel pipe piles are commonly used components in the construction of bridge pile foundations. It has the advantages of high bearing capacity, flexible piling and fast construction speed. For complex t...

The straight seam high frequency welded (HFW) pipe has the characteristics of simple production process and fast continuous production. It has a wide range of uses in civil construction, petrochemical...

According to the purpose and the pipe material, the commonly used connection methods of the construction pipeline are: threaded connection, flange connection, welding, groove connection (clamp connect...

There are many ways to inspect the quality of LSAW steel pipes, among which physical methods are also the most commonly used inspection methods. Physical inspection is a method of measuring or inspect...

ERW Casing-Casing made of electric welded pipe as raw material ERW (Electric Resistant Weld) steel pipe refers to a straight seam welded pipe manufactured through a high-frequency resistance weldin...