Deep foundations are utilised when the soils in the shallow region do not have the strength to support the loads from the structure. Pipe piles are frequently used in deep foundations and transfer the loads from building to stronger soil layers found deep underground. The surface loads are resisted through skin friction and point bearing of the pile. The pipe piles can be driven with open or closed ends, with points or plates. If driven with plates, the pipes can then be filled with rebar and concrete to boost the strength to the pile. Pipe piles range in size from several millimetres to several metres in diameter and can be easily spliced to create piles over 100 metres in length.

Using 3 manufacturing processes, ESC can supply pipes between 21mm up to 4267mm in diameter at thicknesses between 2.1mm up to 100mm. These include LSAW pipe, SSAW spiral pipe and ERW pipe. A wide range of steel grades. ESC has delivered many thousands of tons of pipe piling around the world.

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Steel Pipe Piling

Manufacturing Processes

Longitudinal Submerged Arc Welded LSAW Pipe

LSAW Pipes are formed by rolling a discrete length into a cylinder and welding it both longitudinally and laterally. This method can produce the largest and thickest pipe sections, which can be used as load bearing piles, combination wall piles or other applications.

Spiral Submerged Arc Welded SSAW Pipe

SSAW Pipe are formed in a spiral and welded both inside and outside continuously. They are typically used as King Piles for Combination Walls and also Dredging Pipe.

Electric Resistance Welded ERW Pipe

ERW Pipes are manufactured by rolling the raw plate into a cylinder and then passing a current through to fuse the two ends. They are typically used for fencing, scaffolding and line pipes for fluis and gases.