Water Gas Pipeline is Different from Galvanized Steel Pipe
The water gas pipeline is seamed steel pipe and its pressure bearing capacity is low, the galvanized steel pipe is seamless steel pipe and its pressure bearing capacity is high, which is the biggest difference between them.
Galvanized steel pipe is divided into cold galvanized steel pipe and hot galvanized steel pipe. The electroplating of hot galvanized steel pipe is relatively strong, its zinc layer is thick, and there is a blue ring logo on the head of galvanized pipe. Cold galvanized steel pipe is also made by electroplating, but it is made with less technology, and its performance is far worse, no blue logo. Cold galvanized steel pipe has been banned, hot galvanized steel pipe is promoted temporary use by country.Water gas pipes are constituted by welded steel pipes with thick wall, its materials are different from galvanized steel pipes. Water gas pipe is made of low-carbon steel welded pipe. those Galvanized are called galvanized iron tubes. Those non-galvanized are called black pipes.
Now the water gas pipelines used in the project are basically galvanized pipe, instrument air galvanized steel pipe and galvanized steel pipe of cable laying is using hot galvanized galvanized steel pipe to produce, since the hot galvanized pipe is more corrosion-resistant. The electrical piping on the project is thin-walled tube, it can not be under pressure.
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