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There are many types of alloys. They are:

1. Aluminium alloy

2. Metallic alloy

3. Plastic carbon and so on.

If its a metal alloy, its compositions are iron (ferrous), aluminium, copper, nickel..etc.

Use magnet to check the metal or use Ultrasonic test to find out metal in alloy.

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13y ago
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14y ago

No. There are too many variables. Also "by sight" implies with your eyes. Eyes cannot typically tell "white" gold from silver from platinum, for instance.

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Q: How do you detect metals in an alloy?
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