... use in transportation of oil; gas & Petroleum productsASTM A252 WELDEDAND SEAMLESS STEEL PIPE PILES BS534, BS 3601 DIN 1626, DIN 2460 ... , Gr.DAPI 5L: A, B, X42, X46, X52, X56, X60, X65 X70GB/T9711: L175, L210, L245, L290, L320, L360, L290, L320 ... Lining according to AWWA C-205, BS534 schedule 40 api seamless pipe