Angle steel is a carbon structural steel for construction. It is a section steel with a simple section. It is mainly used for metal components and factory buildings. In use, it requires good weldability, plastic deformation performance and certain mechanical strength. The chemical composition of angle steel belongs to the rolled steel series for general structure, and the main inspection indexes are C, Mn, P, S.
Angle steel is a long strip of steel whose two sides are perpendicular to each other and form an angle. It is the same type of steel, but the name is different. It is a section steel specially used to make shelves. It has various shapes and many long holes for people to thread screws. It is mainly used for personal shelves in shopping malls and factories.
Production process: Before the hot-dip galvanized angle steel enters the hot-dip galvanizing production line, the selected flat and incomplete angle steel is sent to the pickling workshop, and the oxide scale and floating rust on the surface of the hot-dip galvanized angle steel are soaked with acid or acid.
After 2 times of pickling, after the angle steel's surface rust and scale are completely pickled off, immediately immerse it in a clean water tank and wait for galvanizing, which can prevent the hot-dip galvanized angle steel from re-oxidation.
After the second clean water cleaning, it is transported to the drying bed for drying, and then the hot-dip galvanized angle steel is immersed in a zinc bath of about 460℃ for hot-dip galvanizing, and finally the hot-dip galvanizing is dried and cooled according to the different requirements of customers The angle steel is oiled or passivated. The galvanized products produced by this method have significantly improved anti-corrosion ability.
