ASTM A252 standard specification for welded steel pipe piles.

This specification covers nominal wall cylindrical steel pipe piles in which the steel cylinder acts as a permanent load-carrying member or as a shell to form cast-in-place concrete piles. Each welded pile shall be made by seamless, electric resistance welding, flash welding or fusion welding with longitudinal, helical-butt, or helical-lap seams.  

Applications: the steel cylinder acts as a permanent load carrying member or as a shell to form cast–in–place concrete piles.

Sizes: 6” – 20”

Mechanical properties of astm a252 standard