How to choose mold aluminum plate?
Among the 1-8 series aluminum sheets, the aluminum sheet used for mold manufacturing mainly include 5 / 6 series alloy with medium hardness and 2 / 7 series alloy with strong hardness.The 5 series is an aluminum alloy with magnesium as the main alloying element, also known as magnesium aluminum alloy. Its alloy state mainly includes O state, HXX and HXXX state.The 6-series aluminum sheet is an extrusion alloy added with Al-Mg-Si element. At present, more than 70% of aluminum extrusion materials in the world are made of 6 series alloy.
The 5083 aluminum sheet belongs to the hot rolled aluminum sheet series.The 5083 aluminum sheet produced by Mingtai Aluminium Industry, adopting the continuous casting and rolling process, has good forming processing performance, corrosion resistance, weldability, oxidation deep processing performance. It's a better choice of the aluminum sheet used for mold making.
Though the strength of 6061 aluminum sheet of Mingtai aluminum industry can not be compared with that of 2XXX system or 7xxx system after heat treatment and pre drawing process, but it has many characteristics of magnesium and silicon alloy, good processing performance and excellent welding characteristics. Moreover, it has strong electroplating, corrosion resistance, high toughness, no deformation after processing, compact and defect free material, easy polishing, easy to apply color film and excellent oxidation effect.
The O and T4 states of 6082 aluminum sheet are suitable for bending and forming, and the T5 and T6 states are suitable for molds with good machinability requirements. The 6082 aluminum sheet has good corrosion resistance and wear resistance, and has good processing performance and excellent welding characteristics. Moreover, it has strong electroplating, corrosion resistance, high toughness, no deformation after processing, the material is dense and defect free. It can also be used in the tank car body and other products with high performance requirements for finished products.
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