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LSAW steel pipe and hot tension reducing pipe
Difference between lsaw steel pipe and hot tension reducing pipe Different processes results in differences in product quality, and hot tension reducing pipe in the high-frequency welding pipe also carried out processes that are not conducted in a longitudinal called online Clear and outside burr...Read more -
How to judge the quality of the pipe insulation
Pipe insulation applications in today’s society is very widespread in many areas have played an important role, in which the steel quality will often produce varying degrees of impact the project will have to select good quality steel will undoubtedly be carried out project to produce good ...Read more -
Hot dip galvanizing pipe
Hot dip galvanizing thickness Length of the hot-dip galvanizing layer anticorrosion coating time is roughly proportional to the thickness. System parts in very severe corrosion conditions of service and (or) require a longer service time, which may be higher than the plated layer thickness requir...Read more -
Galvanized steel pipe
Galvanized steel pipe production line Galvanized steel pipe production line has special requirements, especially in a production environment, this a good environment can help us to better production, improve production efficiency and production quality, especially galvanized steel pipe, this need...Read more -
ERW pipe technical requirements
ERW pipe technical requirements Technical requirements For oil and gas transport For low pressure fluid conveying Material Gr.b Gr.b Pipe body diameter D＜508mm, ±0.75%; D≥508mm, ±0.75% D≤168.3, ±1.0%; 168.3＜D≤508,±0.75%; Wall thickness D＜508mm,+15.0%，－12.5%; D≥508mm, +17.5%，－10% ...Read more -
Difference between saw and hfw pipe
Difference between saw and hfw pipe (1) submerged arc welding Submerged arc welding use a continuous feed wire as electrode and filled metal. Welding, at the upper surface of the weld zone, covered with a layer of granular flux, burning arc in the flux layer of the end portion of the wire and a p...Read more