Aluminium Mill Finish

2022-03-23

Now aluminium mill finish sheet has become a sought-after material for decoration. Benefiting from the excellent function of mill finish aluminium sheet, strong corrosion resistance, and lighter weight, many industries use aluminium sheet as a substitute for traditional metal materials. Because of low density, high strength, high thermal conductivity, strong corrosion resistance and good physical and mechanical properties, mill finish aluminum sheet are widely used in various industries.

Aluminum sheet can be divided into many different series according to the surface technology, among which aluminum sheet are commonly used in aluminium mill finish series and aluminium mirror finish series. Both mill finish and mirror finish are for the gloss of the aluminum sheet surface. The surface of the mill finish aluminum sheet is flat and smooth, while the mirror finish aluminum sheet just like a polished metal surface, with high reflectivity over 80%. The two features are distinctly different. The mill finish aluminium sheet have more widely application than mirror finish aluminium sheet. Mill finish aluminum have grades of 100 series, 2000 series, 3000 series, 5000 series, 6000 series, 7000 series and 8000 series, while mirror finish aluminum have grades of 1000 series and 3000 series.

In recent years, with the rising energy prices and the rising voice of environmental protection, the traditional processing of aluminium mill finish technology has made new progress. Hot rolling is developing towards the direction of large slab (above 20T), large plate width (above 2000mm), high speed (above 200m/min), high degree of automation and multi-stand continuous rolling. Casting and rolling are developing in the direction of high speed (above 10m/min) and ultra-thin (below 3mm). Continuous casting and rolling technology has invested a lot of research work abroad in recent years to solve the problem of subcutaneous inclusion aggregation on the upper surface of the strip, so that the technology has been gradually applied.

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