Polymer melt pump gear

The selection of melt pump gear materials hinges on the application scenario and required performance.

Multiple materials are available for melt pump gears.

First, nitrided steel offers excellent wear resistance, making it suitable for high-pressure and abrasive applications.

Tool steel provides both high hardness and wear resistance, ideal for high-strength gears.

Stainless steel delivers superior corrosion resistance, suitable for corrosive media.

Corrosion-resistant alloys like Hastelloy are appropriate for extreme corrosive environments.

Special alloys like titanium alloys are suitable for high-temperature, high-pressure environments.

Additionally, coating materials such as tungsten carbide coatings and ceramic coatings can enhance wear and corrosion resistance.

When selecting materials, consider not only physical and chemical properties but also cost, machinability, material availability, and ease of maintenance and replacement. Choosing the appropriate material for melt pump gears ensures stable pump operation and extended service life. Comprehensive evaluation based on actual requirements is essential during selection.

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