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Gal Aluminium Extrusion Pvt Ltd

Die Heat Treatment

Fully automatic fluidized bed die heat treatment and nitriding system with inart gas ensures totally oxide free hot working of die steel and with zero deformation and accuracy of extrusion tooling. Heat Treatment Heat Treatment is the process whereby controlled heating and cooling is used to alter the physical & mechanical properties of metals without affecting any change in the shape of the objects. Heat treatment process is used to increase material strength and also to improve machining, formability & restore ductility. Heat treatment process allows for the improvement in product performance through improvement in material characteristics. Metallurgy of Heat Treatment of Aluminium Alloys Aluminium and its Alloys are used in a variety of cast a wrought forms and conditions of heat treatment. Forging, extrusions, sections, etc., are examples of wrought products, while sand, gravity and pressure die castings are generally adopted casting methods. It has been the practice of Designers to specify heat treatment to enhance mechanical properties, hardness and machinabilty. Only certain Aluminium Alloys containing alloying elements like CU, Si, Mg and Zn in certain specific percentages can be heat treated to have desired mechanical properties. Other non heat treatable alloys can at the most be annealed to facilitate forming operations. The various alloying elements mentioned above have limited solubility in solid state and this increase with increased temperature. Commonly used Heat Treatment Process
  • Solutionising : Keep in furnace at 525 Deg Celsius for 8 Hrs.
  • Quenching : Sudden Quenching in Water at 30 Deg Celsius.
  • Natural Ageing : Upto 5 Hrs
  • Precipitation : Keep in furnace at 165 Deg Celsius for 8 Hrs.
  • Hardness to be achieved between 80-100 BHN
At GALCO, we have the capability to undertake these heat treatment processes through our associate vendors. We ensure that the processes are carried out as per the highest standards of quality and as per the specifications of our customers.