We are searching CARBON STEEL PIPE buyers, If your pipe use for liquid transport or piling pipe,spiral welded pipe will be best choice,with ... A252 spiral tube SSAW welded steel tube Standard: ASTM A252,API 5L Steel Grade: Gr1,Gr2,Gr3,GRADE B TO X70 ... ,3PE,black varnish or light oiled, as buyer’s requirement Pipe End: beveled or plain end Packing: diameter under 10 inch ...