Shandong color steel tile manufacturer

Description :

　　Shandong color steel tile manufacturer

　　The lightweight, beautiful, and excellent anti-corrosion properties of color coated rolls have sparked a trend of use in many industries, and they can also be directly processed. They are now widely used in industries such as construction, home appliances, furniture, and transportation.

　　Color coated roll coating structure: 2/1: Apply twice on the upper surface, once on the lower surface, and bake twice. The corrosion resistance and scratch resistance of single-layer back paint are poor, but it has good adhesion and is mainly used in sandwich panels; 2/1M: Apply twice on the upper and lower surfaces, and bake once. The corrosion resistance, scratch resistance, and processing formability of the back paint have good adhesion and are suitable for single-layer profiled panels and sandwich panels. 2/2: Apply twice on the upper and lower surfaces, and bake twice. The corrosion resistance, scratch resistance, and processing formability of double-layer back paint are mostly used for single-layer profiled panels, but its adhesion is poor and it is not suitable for sandwich panels.

　　Color coated coil substrate classification: Hot dip aluminum zinc substrate uses hot-dip aluminum zinc steel plate (55% Al Zn) as the new coating substrate, usually with an aluminum zinc content of 150g/㎡ (double-sided). The corrosion resistance of hot-dip aluminum zinc sheet is 2-5 times that of hot-dip galvanized sheet. Continuous or intermittent use at temperatures up to 490 ℃ will not result in severe oxidation or the formation of oxide scales. The ability to reflect heat and light is twice that of hot-dip galvanized steel plate, and a reflectivity greater than 0.75 is an energy-saving building material. The product of hot-dip galvanized steel plate coated with organic coating on hot-dip galvanized substrate is hot-dip galvanized color coated plate. Hot dip galvanized color coated sheet not only has the protective effect of zinc, but the organic coating on the surface also plays a role in insulation protection and rust prevention, with a longer service life than hot-dip galvanized sheet. The zinc content of hot-dip galvanized substrates is generally 180g/m2 (double-sided), and the zinc content of hot-dip galvanized substrates for external use in buildings is 275g/m2. Electroplated galvanized sheets are used as substrates, and the products obtained by coating with organic coatings and baking are electroplated galvanized color coated coils. Due to the thin zinc layer of electroplated galvanized sheets, the zinc content is usually 20/20g/m2, so this product is not suitable for outdoor use in making walls, roofs, etc. But due to its beautiful appearance and excellent processing performance, it can mainly be used for household appliances, audio systems, steel furniture, indoor decoration, etc.

　　Although the steel and coal industries are also competitive industries, due to their more prominent industrial foundation, relatively large enterprise scale, rapid early development, and strong profitability, the time for promoting reforms was relatively late. At present, in the steel and coal industry, state-owned enterprises still account for 60-80% of the industry's main business income, and state-owned capital still holds a dominant position, while the participation of private capital is relatively limited. In order to adapt to rapid development, Wuhan Iron and Steel Corporation (WISCO) integrated its human resources for furnace and kiln repair in 1996. Based on the construction and maintenance capabilities of the original metallurgical furnace repair plant, the specialized technical forces of furnaces and kilns distributed in various factories and mines of WISCO were consolidated and concentrated to establish Wuhan Iron and Steel (Group). Its technical strength was significantly enhanced, and its business scope gradually expanded to include online production guarantee of thermal furnaces and kilns for ironmaking, steelmaking, and steel rolling, as well as blast furnaces and hot blast stoves, with the development and technological progress of WISCO. How to stimulate the endogenous driving force of state-owned enterprises, how to balance the interests of all parties, how to position their role in the reform, and how to promote new requirements for state-owned enterprise reform... are not only the "tricky" problems encountered at the press conference, but also the urgent challenges that need to be overcome in the deepening of state-owned enterprise reform.

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