Color coated roll (color coated roll) is a metal material with high decorative, anti-corrosion, and weather resistance, widely used in fields such as architecture, home appliances, and automobiles. The inspection standards for color coated rolls mainly include the following aspects：

It is a type of steel with a carbon content lower than 2.11% and without intentionally adding metallic elements, and can also be called plain carbon steel or carbon steel. In addition to carbon, it also contains a small amount of elements such as silicon, manganese, sulfur, and phosphorus inside. The higher the carbon content, the better the hardness and strength, but the lower the plasticity.

Steel coils are an important steel product with a wide range of uses and types. The following is a detailed introduction to the specifications, types, characteristics and classifications of steel coils:

The raw material of carbon steel pipe is round tube blank, which needs to be cut and processed by a cutting machine to form a billet with a length of about 1 meter, and then sent to the furnace for heating through a conveyor belt.