Why magnesium alloy????

Started Apr 19, 2013 | Discussions thread
user_name
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The Reason is Metal Properties
In reply to golf1982, Apr 20, 2013

Magnesium is lighter than aluminum (approximately 34% lighter by volume) and even lighter than titanium (approximately 50% lighter by volume).

Magnesium is much, much less expensive than titanium.  Magnesium is also the easiest material to machine.  The machinability index for these metals is:
Magnesium 500%

Aluminum 300%

Titanium 20%

So, titanium is not only the heaviest  and most costly raw material, it is also significantly more difficult to machine.

Titanium has a much greater strength, but customers really want light cameras. Magnesium offers a superior solution over other metals and is more rigid than plastic.

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