The water pump base is made of grey cast iron mainly due to its excellent shock absorption, wear resistance and casting performance.

Excellent shock absorption performance
The flake graphite structure inside the gray cast iron can effectively absorb vibration energy, reduce mechanical resonance and deformation, and reduce operating noise.

Outstanding wear resistance
The graphite structure can store lubricating oil, reduce the friction coefficient (0.08-0.15), reduce component wear and extend service life.

Good casting performance
Gray cast iron is suitable for casting complex structures (such as reinforcing ribs, cavities, etc.), with fewer process defects and lower cost.

This article is from our Dandong Foundry's Cast Iron Water Pump Base

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