structural pipe SSAW pipestandard:API,ASTM,ASME,ANSI,JIS,DIN,BS,GB,ISO material:API 5L, A53,A106,A333 GR6,Q235,Q345 structural pipe SSAW SSAW (Spiral ... use in transportation of oil; gas & Petroleum productsASTM A252 WELDEDAND SEAMLESS STEEL PIPE PILES BS534, BS 3601 DIN 1626, DIN 2460,TS1997 ... , L320, L360, L290, L320, L360, L390, L415, L450, L485, L555ASTM A252: Gr.1 Gr.2 Gr.3 Size range:Outer Diamter ...