Product News
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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 -
Cold drawn seamless tube
Cold drawn seamless tube defects during process Cold drawn seamless tube must be certain defects and quality issues in production process,which need for strict attention.it exists steel fibrous tissue as well as dislocations, vacancies and other crystal defects, generally taken to the annealing o...Read more -
Carbon steel pipe fittings
Pipe Fittings plays a role in the connection, control, change of direction, streaming components collectively sealed and supporting. Carbon steel pipe fittings is currently the most widely used one pipe products. The main material q235, 20 #, 35 #, 45 #, 16mn main. The main products include carbo...Read more