Determination of Quality of Color Steel Rolls

1: Observe the thickness of the substrate and the thickness of the film coating

Color steel coil is composed of a substrate and colored peritoneum or coating. We first need to consider the thickness of the substrate and peritoneal coating. A good color steel coil substrate is 0.02~0.05, while the thickness of the film or coating is often only 0.15 or less. Because from the perspective of affecting the usage time of color steel coils, the thickness of the substrate is very important. However, some manufacturers of color steel coils often tamper with the substrate and color steel coil coating or film. They reduce the thickness of the substrate but increase the thickness of the peritoneum to reduce the production cost of the color steel coil, which reduces the service life of the color steel coil.

2: Observe the outer leakage edge of the color steel coil

After receiving a piece of color steel coil, I first observe whether the exposed steel of the color steel coil, such as the cross-section, is crystalline and fine, whether it is gray, dark, and impurities. If the cut surface is crystalline and fine, it is of superior quality.

3: Listen to the sound

Using fingers or a hard object to strike the color steel coil, if the material of the color steel coil is poor, the sound produced will be muffled and the metallic sound will not be obvious. The metallic sound of the color steel coil with better material is relatively loud and crisp.

4: Check the quality of the color steel coil for compliance

Are there inspection standards from relevant departments. If possible, try to visit the manufacturer of color steel coils for on-site inspection. Check the environment of the enterprise and whether it is formal. Inquire about the reputation of this company in the market.

5: Check the price

Everything gets what you pay for. When comparing the quality of color steel coils, price is one aspect, but we should not pay too much attention to it. If the price of a color steel coil is much lower than others, then we need to pay attention.

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