Badge customization: how to distinguish between copper alloy and copper badges

There are many materials for badge customization, such as copper, iron, stainless steel, alloy materials, gold and silver, etc. So, how do we distinguish between copper alloys and copper badges?

1. The easiest way is to "wipe the color and look at the color". Use a piece of fine sandpaper to polish the identified object. For example, the rose-red color is copper, and the other colors are different types of copper alloys. In order to judge the correctness of the color, you can first find an enameled wire or wire sand to have a look, it is all copper rather than copper alloy.

2. Copper is composed of copper element alone. Even if there are other metals, it exists in a very small amount in the state of impurities. Copper alloys are different, which are alloys composed of copper and other metals, such as copper-zinc alloys for brass, copper-tin alloys for bronze, beryllium bronze for copper, copper-aluminum-iron alloys for aluminum-iron-bronze and so on.

3. The application of copper is generally conductive parts, such as busbars, wires and cables, enameled wires, etc. Copper alloys are used in a wide range of applications, from screws and nuts to waveguides, springs, reeds, early zipper strips, lamps, lighting, and more.

4. Copper is softer and has a larger elongation, while copper alloy is harder and has a slightly smaller elongation.
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