Color coated plates are prone to cracking before welding. We should first understand the cause of the crack in order to identify the cause and avoid accidents. The zinc layer near the groove of the color coated plate oxidizes (forms ZnO) and evaporates under the action of arc heat, emitting white smoke and steam, making […]
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1. Process of color coated sheet Color coated steel plate is made from cold-rolled steel plate, galvanized steel plate and aluminum-zinc steel plate as the substrate, after continuous surface pretreatment, and then baked and cooled. The main production processes of the general process are: uncoiling – pre-treatment – coating – baking – post processing –
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The coating of the printed color coated plate is made of baked synthetic resin coating. When used outdoors, the coating will gradually deteriorate due to the influence of sunlight, temperature, and rain. Careful observation of the surface of the steel plate or gentle touch with your fingers reveals the presence of white powder, which is inevitable
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Color coated coil are divided into indoor panels and outdoor panels. The different surface coatings of the two types of color coated steel plates determine their suitability for different occasions. The surface of indoor panels is generally coated with resin, which cannot adapt to the harsh natural environment outdoors. If used outdoors, it will naturally accelerate its
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The climate in coastal areas is unique and is constantly influenced by the marine environment. Factors such as high temperature and humidity, salt spray corrosion, and strong winds can also seriously affect the quality and service life of buildings. Therefore, when applying aluminum zinc metal materials in coastal areas, the following precautions should be taken.
What precautions should be taken when using aluminum zinc plate in coastal areas? Read More »
Galvanized sheet is a type of steel sheet that has been coated with a layer of zinc to protect it from corrosion. There are several classifications of galvanized Steel sheet based on the thickness of the zinc coating, the type of steel used, and the application for which it is intended. Understanding these classifications is
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Since August, the trading situation in China’s cold and hot rolled coil market has been average, with prices of cold and hot rolled coils rising and falling, and there will be no significant increase or decrease. In early August, the operating conditions of cold and hot rolled steel coils were different, and cold rolled steel
Cold and hot rolled steel coil market will stabilize in the short term. Read More »
The price advantage is the main reason for the significant increase in steel exports from China. In the first half of 2023, the prices of galvanized steel sheets in China and globally showed a trend of first rising and then falling. Chinese steel prices are still at a low level internationally. In the first half
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Color coated steel coil (PPGL) is a common building material that has characteristics such as aesthetics, good weather resistance, and corrosion resistance, making it widely used in the construction industry. However, in order to improve the quality of galvanized sheets, manufacturers of color coated sheets need to take some measures. Firstly, in the
How to improve the quality of galvanized sheet for PPGI? Read More »
1. Precautions for selecting materials for color coated steel coil: Color coated steel coil are selected according to their intended use, ensuring that they are both suitable for use and cost-effective. The main consideration is the external atmospheric environment that the color coated steel coil comes into contact with, as well as the relatively enclosed
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