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Abstract: The less density, increased manufacturability, good thermal conductivity and high specific strength makes Aluminum-Magnesium alloys very useful. In this work a new method for production of alloys made of Aluminum and Magnesium was developed using Magnesium from machine scrap. A new technique, where plunger rods are used to add Magnesium of the required quantity to produce the Aluminum- Magnesium alloys. Because of less boiling point of magnesium the contents of magnesium in the alloy is poor. The present investigation is an attempt to develop a process for obtaining Al-Mg alloys by the casting route utilizing magnesium cheap from turnings. In this process plunger rod containing Magnesium is fed to the Aluminum melt for production of alloys. The plunger technique was helpful in reducing magnesium loss on melt achieving a high recovery of Mg in the alloys. More than 90% of magnesium was recovered even though the magnesium was in the form of turnings. Different furnace temperatures i.e. 7000c, 8000c, 9000c were taken for Alloy manufacturing then its Mg recovery and tensile properties are investigated.