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Melting & Holding Furnace
Casting

Melting and Holding Furnaces
Pure aluminium ingots are melted and alloyed with other elements by means of master alloy such as iron, silicon, manganese and magnesium. The material is analysed and adjusted to ensure the correct composition is achieved, then degassed, filtered and transfered to casting blocks to form aluminium slabs. The slab ends would then be sawn and scalped on both sides by slab saw.
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Hot Rolling Mesta 3 Stands Tandem Mill
The scalped slab is then placed inside the preheating furnace to be preheated / homogenized and made ready for the hot rolling process. The heated slab is hot rolled back and forward several times through the hot resersing mill to achieve a certain thickness prior to roll in the 3 (three) Stand 4 (four) Hi Tandem Mill.The finished products are hot rolled coils and plate materials for further process.

 
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Cold Rolling Davy Machine
Hot rolled coils are then processed in the Cold Rolling Machine to customers' required Thicknesses and further treated in the annealing furnaces to achieve the required temper / strength. The Cold Rolling Mill machine is equipped with Automatic Gauge Control (AGC) and Automatic Flatness Control (AFC) able to produce the closest tolerances required meeting the stringent worldwide standards.
Cold Rolled Coil are processed in the Finishing Department for further process as per customers' requirement such as :
- Tension Leveling for improving the flatness of the material prior to Cut To Lenght Line for final sheet products.
- Side Trimming for foil stock, slit coil and circle blanks.
- Embossing for embossed coils or sheets and roll forming for roofing products.		  
Cut to Length
 
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Foil Rolling Mill
Aluminium foil is produced by a process of foil rolling and annealing from cold-rolled coils to reach a target thickness under 0.2mm down to 0.006mm (6 micron). In recent years, a greater variety of aluminium foils has been developed to meet diverse market demands of the consumer product market.
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Annealing Furnace
Aluminium foil is placed in the Annealing Furnace by means of heat treatment to reach a specific temper and mechanical properties required by customers.

 


  

 

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