construction deck foundation screw piles

construction deck foundation screw piles For shaft material of helical piles, popular material is ASTM A252 Grade3 steel, ASTM A500 Grade B steel, 40Cr steel, C1020 steel, J55 steel etc. For helix, most of our customers choose ASTM A36 hot rolled plates. We do hot-dipped galvanization according to ASTM A153 standard. Product name Helical Pile Shaft material Seamless high tensile pipe, confirms to ASTM A500 GRADE B Helices material ASTM A36 hot rolled plate Round Shank Anchors