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What materials can centrifugal fans have as main materials?

- May 30, 2018 -

In general, the material of the centrifugal fan is the material used in its part, that is, the shell of the centrifugal fan, the impeller and the inlet of the air inlet. In order to be applied to different working conditions, there are many main materials of centrifugal fans. What are the more common ones? What are the corresponding models?


Centrifugal fan uses more carbon steel, which is also the main material of ordinary centrifugal fan. In many kinds of carbon steel, Q235B is used.  This kind of carbon steel is not only easy to process, but also cheap. It is suitable for most centrifugal fans with normal temperature and no dust and corrosion. The common fan types 9-19, 4-72, 9-26 and so on are all made of this material.


Stainless steel is also one of the main materials used in centrifugal blower, but it is not only a material, but a category containing more than 100 specific materials, mainly martensite, austenite, ferrite, duplex stainless steel and so on. The general anticorrosion centrifugal fan and high temperature centrifugal fan will be made with this kind of material. Of course, the price is willing to be made. It is higher than carbon steel.

A common main material for centrifugal fans is FRP, which is excellent for making anticorrosive centrifugal fans because the material has excellent anticorrosion characteristics and is resistant to corrosion of various acid and alkali salts. In the chemical industry, a lot of gas treatment will use FRP centrifugal fans to prevent corrosion and prolong the service life.


The main material of a centrifugal fan is PP plastic, commonly known as a thermoplastic resin made from propylene polymerization. Because its strength is even lower than that of FRP, the use scope is actually relatively small, but centrifugal fans sometimes need to use this material.


In addition, the titanium alloy, steel lining plastic, steel lined fiberglass and other special materials and composite materials can also be used as the main material of the centrifugal fan, and they all have some irreplaceable. The centrifugal fan of which material should be selected should be determined according to the working condition.