What kind of metal is in a micro switch?

Most of micro switch include these parts, like lever, Inernal lever, Terminals (NC/NC and Common), Plunger, Case, Cover, Contacts, Movable Plate, Sharpnel/ Spring, etc. And the parts of lever, terminals, contact, movable plate, sharpnel or spring are all made of metal. Because of different requirement, like anti-corrosion, micro switch manufacturer will use different kinds of metal to assemble them. As a result, this kinds of requirement will case the different price for a micro switch.

Generally, most of material for these metal part in a micro switch is alloy. For example, the micro switch lever and Inernal lever are stainless steel, and the terminals could be Cu alloy or ferroalloy with silver or gold plate.
What’s more, the the metal contact is Cu and Ag alloy material. Most of shrapnel is copper alloy and Spring is SWC.

All in all, the kind of metal in a micro switch most of them is cu alloy! You can try to separate in piece, then you will find it.

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What kind of metal is in a micro switch?
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