Steel piles may be of I-section or hollow pipe. They are filled with concrete. The size may vary from 10 inches to 24 inches in diameter and the thickness is usually ¾ inches. Because of the small sectional area, the piles are easy to drive. They are mostly used as end-bearing piles.

Advantages of Steel Piles

• They are easy to install. 
• They can reach a greater depth compared to any other type of pile foundations. 
• Can penetrate through the hard layer of soil due to the less cross-sectional area. 
• It is easy to splice steel piles
• Can carry heavy loads.
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