The price difference of industrial aluminum profiles

by:Zeyi     2021-08-29
Aluminum profiles are aluminum rods that are melted and extruded to obtain aluminum materials with different cross-sectional shapes. The production process of aluminum profiles mainly includes three processes: casting, extrusion and coloring. Among them, coloring mainly includes: oxidation, electrophoretic coating, fluorocarbon spraying, powder spraying, wood grain transfer and other processes. There are two common types of surface treatment: 1. Anodized aluminum 2. Electrophoretic coated aluminum.   Then, how to identify the pros and cons of aluminum profiles? Check from the following three aspects    1. The thickness of the oxide film: If the thickness is not enough, the surface of the aluminum profile is easy to rust and corrode. National standards stipulate that the oxide film thickness of architectural aluminum profiles should not be less than 10um (micrometers). The oxide film thickness of some aluminum profiles without production name, factory location, production license, or qualification certificate is only 2 to 4um, and some do not even have oxide film. According to experts' estimates, for every reduction in the thickness of the oxide film by 1um, the power consumption cost per ton of profile can be reduced by more than 150 yuan.  2. Chemical composition: Aluminum profiles mixed with a large amount of miscellaneous aluminum and scrap aluminum can greatly reduce costs, but will lead to unqualified aluminum profiles and seriously endanger engineering safety.  3. Profile wall thickness: The approximate dimensions on the drawings are the same, such as cross-sectional size, groove width, and central aperture, but the wall thickness varies greatly, and the weight is naturally different. The price of each is correspondingly very different. In addition, inferior aluminum profiles greatly reduce the sealing time, reduce the loss of chemical reagents, and reduce costs, but the corrosion resistance of the profiles is also greatly reduced.  4. Manufacturer: Large aluminum factory has good raw materials. For example, the production process is standardized and the quality is strictly controlled. The processing fee is naturally much higher than that of small manufacturers, and the processing fee can vary by 2000-3000/ton. The conversion is 2-3 yuan/kg.  In recent years, with the improvement of the industrial level, the use of industrial aluminum profile profiles has become more and more popular. Sales are also diversified, with huge price gaps. Unknown customers will simply choose the sales company of aluminum profiles from the lowest price. This has forced some companies that insist on quality first to reduce raw material and processing costs to ensure sales, and the market chaos is becoming more and more obvious.
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