Materials and Manufacture:
The piles shall be made by the seamless,Website:http://www.lksteelpipe.com,electric resistance welded,flash welded or fusion welded process, the seams of welded pipe piles shall be longitudinal ,helical-butt,or helical-lap.
Process:
The steel shall be made by one or more of the following processses:open-hearth,basic-oxygen or electric-furnace.
Chemical Composition.
The steel shall contain no more than 0.050% phosphorous.
Click image to view original image
