Produced angle iron has an extensive application market (shì chǎng), and the repurchase rate and use rate account for a large market share. Shenzhen galvanized channel steel
can be divided into hot-dip galvanized channel steel and hot-blow galvanized channel steel
according to different galvanizing processes. Hot-dip galvanized channel steel is an effective metal anticorrosion method, mainly used for metal structural facilities in various industries. on. It is to immerse the rust-removed steel parts in a molten zinc solution at about 440 to 460 ° C, to attach a zinc layer to the surface of the steel member, thereby achieving the purpose of anticorrosion. Currently, the main method of galvanizing the channel steel is hot-dip galvanizing. Shenzhen galvanized sheet wholesale
refers to a steel plate with a layer of zinc plating on its surface. Galvanizing is a commonly used economic and effective anti-corrosion method. About half of the world's zinc output is used for this process. Galvanized sheet can be divided into hot-dip galvanized steel sheet, alloyed galvanized steel sheet, electro-galvanized steel sheet, single-sided and double-difference galvanized steel sheet according to production and processing methods. The main importing countries include China, Japan, and Germany , Russia, France, South Korea, etc. Angle iron is mainly used to make structure structures, such as (for example) high-voltage (gāo yā) power transmission towers, steel structure bridges, frames on both sides of bridge main beams, and buildings Columns and booms of cranes on the construction site, columns and beams of workshops, small places such as shelves with flowerpot models on the side of the road, air conditioners under the windows Solar energy, etc.
The manufacturing process of angle iron is relatively simple. Generally, large steel companies do not produce this thing. Production engineering can be divided into hot rolling and cold rolling. Hot rolling is used for large-size angle iron, and cold bending is generally relatively small. Shenzhen steel plate wholesale
is a flat steel made by pouring molten steel and pressing it after cooling. Steel plates are divided according to thickness, thin steel plates <4 mm (0.2 mm thinnest), thick steel plates 4 to 60 mm, and extra thick steel plates 60 to 115 mm. Steel plates are divided into hot rolled and cold rolled according to rolling. The steel plate is flat and rectangular, which can be directly rolled or cut from a wide steel strip. The steel type of the thick steel plate is substantially the same as that of the thin steel plate. In all aspects of the product, in addition to bridge steel plates, boiler steel plates, automobile manufacturing steel plates, pressure vessel steel plates and multi-layer high pressure vessel steel plates and other varieties are purely thick plates, some types of steel plates such as automobile beam steel plates (2.5 to 10 mm thick), patterns Steel plates (2.5-8 mm thick), stainless steel plates, and heat-resistant steel plates are intersected with thin plates. Shenzhen galvanized sheet wholesale refers to a steel plate with a layer of zinc plating on its surface. Galvanizing is a commonly used economic and effective anti-corrosion method. About half of the world's zinc output is used for this process. Galvanized sheet can be divided into hot-dip galvanized steel sheet, alloyed galvanized steel sheet, electro-galvanized steel sheet, single-sided and double-difference galvanized steel sheet according to production and processing methods. The main importing countries include China, Japan, and Germany , Russia, France, South Korea, etc. The standard process is to use a steel slab (such as a square slab) to pass through multiple passes of a special profile rolling mill and gradually roll it into the shape. The material quality is guaranteed. There is a transition arc on the inner side of the corner. ) Performance (xìng néng) is reliable; while small workshops are made of sheet material or strip directly rolled (bent), there is no transition arc inside the corner, and because it is folded at the corner The internal stress is large and the mechanical properties are poor. The most important point is that the material is not guaranteed. It may even be a "strip steel". Such angle irons cannot be bent or welded when they are bought. They can be drilled at most .
There are two ways to identify the type of angle iron:
I. Specifications are expressed in millimeters of side width x side width x side thickness. For example, “∟30 × 30 × 3” means equal-angle iron with a side width of 30 mm and a side thickness of 3 mm.
Second, it can also be expressed by the model, the model is the number of centimeters of side width, such as ∟3 #.