sell spiral steel pipe Q235 standard:API,ASTM,ASME,ANSI,JIS,DIN,BS,GB,ISO material:API ... 1626, DIN 2460,TS1997, UNI 6363, AWWA C-200 Steel Grade:Q195, Q215, Q235, Q275, Q295, Q345, 08F, 08, ... St13, St14, St33,St37, St44, ST52ASTM A 53: Gr. A, Gr B, Gr C, Gr.DAPI 5L: A, B, X42, X46, X52, X56 ... L320, L360, L390, L415, L450, L485, L555ASTM A252: Gr.1 Gr.2 Gr.3 Size range:Outer Diamter: 219.1mm - 4064mm (8 ...