Product Description
In recent years, the production of galvanized sheet in China has increased year by year, while the import volume is also increasing year by year, and the growth rate is even higher than that of production; At the same time, the production of carbon steel plate, carbon steel coil, galvanized coil, color coated coil, carbon steel pipe, galvanized pipe and other products is also increasing year by year, and the steel market can be expected in the future.
Seamless carbon steel pipes are made of steel ingots or solid pipe blanks perforated into capillaries, and then made by hot rolling, cold rolling or cold dialing,Because of its different manufacturing processes, seamless steel pipes are divided into two types: hot-rolled seamless steel pipes and cold-drawn seamless steel pipes. Cold-drawn pipes are divided into two types: round pipes and special-shaped pipes
1. The building category includes: the bottom pipeline transports up…