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Aluminium sheet coil hot rolled and cold rolled

Haomei is an aluminium sheet coil supplier in China, we have mature technology, advanced production line with good quality and low price. The alloy of aluminum coil are, 1060, 1100, 3003, 5052 and so on, the temper are O, H14, H16, H18, H22, H24, the thickness is 0.10-0.3mm, and the width is 100-1600 mm. The application areas of aluminium coil are: aluminum composite panel, lighting materials, capacitor casing, road signs, building facades, cladding material, etc.


aluminium sheet coil

Aluminum coils can be divided into cold rolling and hot rolling. The main difference is that the anodizing is different. The hot rolled aluminum coil can be anodized. The hot rolling method is characterized in that the internal structure undergoes multiple times of recovery during the large plastic deformation process. Recrystallization, the coarse grains in the as-cast state are broken, the micro-cracks are healed, the billet is homogenized in the internal structure, and the casting defects such as the size and shape of the crystal grains, the point defects and the line defect concentration are all significantly improved, transforming the as-cast structure into a deformed structure, greatly improving the processing performance of the metal. The cold rolled aluminum coil is processed by hot-rolled aluminum at normal temperature, and is cold-rolled by hot rolling through continuous cold deformation. The mechanical properties are relatively poor and the hardness is too high. Therefore, the cold rolled aluminium sheet coil is mostly used for molds. The hot rolled aluminium coil has deep drawing and bending properties, so it is suitable for deep processing.

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