Performance of hot-dip galvanized square tube

 　　Considering that the surface layer of hot-dip galvanized square pipes is hard and wear-resistant, the performance indicators of hot-dip galvanized rectangular pipes have become increasingly excellent. Therefore, these two types of steel are commonly used. Hot dip galvanized rectangular square pipes play a crucial role in the technology and use of manufacturers. Although it has better advantages and performance indicators, it is difficult to avoid encountering certain difficulties when using it. What should we all do when we encounter difficulties? The common problem is the difficulty in the coating process of hot-dip galvanized square square tubes. How can the coating process not peel off or peel off the paint?

　　The method of coating hot-dip galvanized square pipes requires cleaning, drying in the air, and then applying a layer of paint (commonly found in the industry and market). After air drying this layer of paint, apply it again and repeat it three times in total. High level cleaning, air drying, and apply one layer of paint can be done. We can consult professional personnel for the selection of paint, and we believe that it will meet its standards by balancing the hard and soft layers of metal materials. At present, the standard method of hardness detection in processing is commonly known as the indentation hardness standard method, which is to use the tensile force of the corresponding solid geometry to press into the surface layer of the metal material under the corresponding load, and test its hardness standard value according to the indentation layer degree. The compressive strength refers to the performance index of the metal material to resist damage (excessive plastic deformation or cracking) under the static load function.

　　Considering that the functional methods of load include stretching, shrinking, bending, cutting, etc., compressive strength can also be divided into tensile strength, compressive strength, bending strength, shear strength, etc. There is often a corresponding connection between various compressive strengths, and in use, tensile strength is often used as the basic compressive strength gauge.

　　In addition, the above is mainly about the process. We should also pay attention to the quality of the paint for hot-dip galvanized rectangular pipes, and ensure that it is not a counterfeit product. When spraying hot-dip galvanized rectangular square pipes, attention should also be paid to effective color matching, infrequent exposure, and protection from rain and snow weather.