Material	Magnesium
	Magnesium is a very light weight metal, increasingly substituting aluminium in order to save weight. It is a reactive metal that for example can burn, but with proper surface treatment it is used in products like car wheels and power saws.
Danish Name	Magnesium
Category	Metals, Light metals
Products	Mobile radio front Gear box for car Gramophone pick-up head Mobile telephone base plate Power saw housing
Processes	Metal casting Welding
References	Metallurgi for ingeniører Maskinståbi Hydro Magnesium
Environmen- tal notes	Due to its very low weight, magnesium indirectly causes significant energy savings for exaple in transport equipment. Furthermore magnesium can be recycled by melting it again.
Additional Info	Chemical symbol Mg, atomic number 12, melting point 651 C, density 1.7, recrystalises at 150C.
Photo	Thomas Nissen (Computer graphics)
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