How is the quality of Hebei Shandong color steel plate

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　　HebeiShandong Color Steel Platehow

　　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.

　　Behind the impressive performance report, there is also a problem of uncoordinated pace in reducing overcapacity in coal, steel, and non-ferrous metals. Bai Xisun, the head of a non-ferrous metal enterprise in Yunnan, told reporters that the rapid rise in coal prices recently has led to a significant increase in the company's electricity costs. There are close connections between the coal, steel, and non-ferrous metal industries, and the mechanism for reducing overcapacity is not perfect. The rise in coal prices will compress the profits of downstream coal consuming enterprises. Changzhou Q235B Dongfang Special Steel mainstream report 3150, Egang 3200. Nanjing Nangang 3260, yesterday Nangang steel plant controlled the trading volume of traders, laying the groundwork for a significant price increase on the 11th. The general industrial sector in Handan and Anyang continues to rise, with poor shipments. Scrap steel: The scrap steel market is steadily rising, with some areas experiencing tight supply. Merchants are watching and waiting for an increase, and overall transactions are average. The overall upward trend of the hot-rolled coil and medium thick plate market is also relatively sharp, while the cold-rolled coil market is relatively cold, which is related to the lag of its varieties. With the significant increase in finished material resources in the circulation process, steel companies have also followed suit by raising prices, with some exceeding 100 yuan, which has pushed up the overall focus of market prices. From the current perspective, the main driving force behind the rise in steel prices comes from the significant increase in futures trading and the strengthening of raw materials.

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