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Welded steel pipes are normally formed by crimping a steel plate or a steel strip then welding. According to the form of weld, it is pided into straight seam welded steel pipe and spiral welded steel ...

Galvanized steel pipe, commonly known as "gi" steel pipe, is pided into hot-dip galvanized pipe and cold galvanized pipe Hot dip galvanized pipe The molten metal is reacted with an iron matrix to pro...

Dephosphorization refers to a chemical reaction that reduces the amount of phosphorus in molten steel. Phosphorus is a harmful element in most steel grades and is easily segregated at grain boundaries...

PE pipe fittings have the strongest development momentum in China's plastic pipes, its scope of application is wide for now. The main application markets are water supply pipes and gas pipes. The foll...

Stainless Steel Common Smelting, Forging, Rolling Problems Shrinkage hole: the shrinkage cavity formed when the molten steel shrinks in the steel mold is called shrinkage hole. Transverse crack: ref...

Correct Storage Method for Steel Pipes    1. The site or warehouse where the steel pipe products are kept should be cleaned and drained, away from the factories and mines that generate harmful gases...