Externally 3PE - coated spiral submerged - arc welded steel pipes mainly include anticorrosive steel pipes with h...

The requirements for spiral submerged arc welded steel pipes used in directly buried hot water insulated pipes and directly buried steam pipes mainly include the following aspects.

Judging the weld quality of spiral - seam welded steel pipes is a meticulous and crucial process, which involves...

Plastic - coated steel pipes have excellent corrosion - resistant properties and can withstand the erosion of var...

The spiral seam welded steel pipes in the anti - corrosion coated composite steel pipes need to meet a series ...

Steel - plastic composite pipes have a wide range of applications. Their superior properties such as corrosion re...

Coated composite steel pipes used in underground coal mines need to meet the following requirements to ensure the...

Spiral seam welded steel pipe, as a common type of steel pipe, plays an important role in underground pipeline ...