... of oil; gas & Petroleum productsASTM A252 WELDEDAND SEAMLESS STEEL PIPE PILES BS534, BS 3601 DIN 1626, DIN 2460,TS1997, ... special manufactured flanged are welded to the ends of the pipe and then jointed with bolts. Test:Chemical Component Analysis, ... Bending Test, Blow Test, Impact Test), ExteriorSize Inspection, Hydrostatic Test, X-ray Test.Mill Test Certificate:EN 10204/3.1B Third party ...