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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...

Thick-walled seamless steel pipe is the most basic transportation pipeline for modern long-distance pipeline transportation industry. It's because thick-walled seamless steel pipe has its thick wall, ...

Identification of Fake and Shoddy Thick-walled Seamless Pipe 1. The shoddy thick-walled seamless steel pipe is prone to folding. Folding is a variety of fold lines formed on the surface of thick-wal...

Mechanism and Control of Rollover of Hot-rolled Coil After the stainless steel hot-rolled coil is pickled, a strip of 8-18 mm wide and long strips is commonly found on both sides of the strip, which...

Wrinkling Phenomenon in Stainless Steel Stamping and Its Countermeasures When the metal is radioactively flowing inward through the stretching ring, the resulting compressive force may cause wr...

Rolling situation of thick-walled seamless steel pipe: 1, The hot-rolled rolling position of thick-walled seamless steel tube is 38, 118m away from the strip head, mainly located in the middle of the...