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  3. Advantages of aluminum screws...

Advantages of aluminum screws

Advantages of aluminum screws

One of the important characteristics of aluminum is lightweight.


As more and more weight reductions are used in engineering to maintain energy, the use of aluminum is destined to increase.

The weight of aluminum fasteners is 1/3 of the weight of similar steel fasteners. The strength characteristics of this frequently used alloy are surprisingly good.

Aluminum is not magnetizable. The thermoelectric conductivity of aluminum is very good, about 2/3 of the conductivity of copper under the same volume. Aluminum has good processing characteristics and is easy to be cold formed and hot forged.


Under normal circumstances, aluminum has sufficient corrosion resistance. And when the expected exposure environment is very harsh, its corrosion resistance can be greatly improved by anodizing.

Anodizing is an electrical machining process that forms an oxide film on the metal surface. Anodizing not only enhances the ability to resist corrosion, but also enhances the ability to protect against wear and scratches. The anode coating comes in many colors for decoration and identification purposes. In atmospheric corrosion, aluminum forms a light gray oxide film on the surface. These corrosion products will not contaminate the surface of aluminum or spread to adjacent surfaces. It is different from the performance of many other metals under the effect of corrosion.

In addition, aluminum screws and bolt can also solve the electrochemical corrosion caused by the connection of steel and aluminum, as well as the inconsistency of the thermal expansion coefficient between the steel bolt and the aluminum connected part. When the temperature changes, the additional stress of the threaded connection pair will increase, and the aluminum alloy will be increased. Creep risk weakens the ability to maintain the preload.


But aluminum price is also more expensive than other metal.

If you are looking for custom aluminum screws,bolts or aluminum cnc parts.welcome to contact heatscrew.If you have other questions about custom screws please see our FAQ


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+86 150 1847 8409

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sales@heatscrew.com

factory add: 11Floor, ZhuoYu commerce building, GuanPing Road, GuanLan Town, Shenzhen City,China

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