Boxing color steel plate, Shandong color steel coil

How to judge the quality of colored steel coils?

1. Firstly, you need to check the quality certificate of the color steel plate, which can have relevant inspection standards. Before purchasing, investigate the company's reputation and reputation in the market. It is better to go to the manufacturer of color steel plate for field investigation to see how the environmental equipment of the company is and whether it is formal.

2. The quality of color steel plate products can also be determined solely by price, and everything is worth a penny. When comparing the quality of color steel plates, price is only one aspect, and there is no need to pay too much attention to price. But when the price of a type of color steel plate is much lower than others, friends who want to purchase it should consider it carefully.

3. Observe whether the exposed steel of the color steel plate, such as the cross-section, is finely crystallized, and whether there are any graying, darkening, and impurities. If the cut surface is crystalline and dense, then the quality is relatively good. Observing the thickness of the substrate and peritoneum, the main components of the color steel plate are the substrate and colored peritoneum or coating. A better color steel plate substrate is 0.02-0.05mm, and the coating or coating thickness is often only below 0.15mm. Some manufacturers of color steel plates often manipulate the substrate and its coating or lamination, reducing the thickness of the substrate and increasing the thickness of the peritoneum to reduce the production cost of color steel plates, greatly reducing their service life.

Another convenient method is to use your fingers or a hard object to hit the color steel plate. The metal sound of the color steel plate with better material is louder and clearer. If the material of the color steel plate is poor, the sound produced will be dull and the metal sound is not obvious.