A hot strip, hot rolled strip profile rolled strip, English name Hot-rolled strip, also known as hot-rolled steel, commonly known as a hot plate. Hot strip width is less than or equal to 600mm, the thickness of the 1.2-25mm strip. Hot-rolled steel hot strip product attributes into structural steel, mild steel, welded steel bottles, then search according to a variety of steel you need steel, special steel, and then check the density and composition. Hot-rolled steel hardness is low, easy processing, good ductility. Relatively low intensity of hot-rolled steel sheet, the surface quality handicap (oxide \ finish low), but the plastic is good, generally plate, cold rolled, high strength, high hardness, surface finish, generally thin, can be used as punching with the board. Use hot rolled steel strip to a certain extent as hardening, low toughness, but can achieve a better yield ratio for cold spring and other parts, and because the yield point closer to the tensile strength, so during use of dangerous not foreseen in the load exceeds the allowable load prone to accidents. 1) cold plate made of cold rolled surface finish no oxide, good quality. Hot-rolled steel work surface using thermal ligation oxide, a lower thickness difference. 2) Hot-rolled steel toughness and surface roughness of the poor, lower prices, and cold-rolled sheet stretching, good toughness, but the price is more expensive. 3) rolled into cold and hot rolled steel plate, in order to distinguish between the recrystallization temperature point. 4) Cold: Cold rolled steel strip is generally used for the production, the rolling speed is higher. Hot-rolled steel: hot forging temperature and the temperature similar. 5) Not plated hot rolled steel surface into a dark brown, not plated cold rolled plate surface is gray, after plating the surface smoothness can be distinguished smoothness than cold rolled plate hot rolling plate. Use hot rolled strip steel products, including hot rolled strip coil and has its cut from the plate. The strip can be divided into volumes finishing straight hair volume and volume-volume, smooth rolls and slit rolls. Hot strip pickling hot rolled coil processing uncoiling → → → Welding → cut head and tail entry looper → Improved Sendzimir galvanized horizontal annealing → → cooling → zinc plating layer thickness after finishing pull → Jiao passivation treatment → → → Electrostatic Oiler examination table coiling → → → finished weighing packaged storage.