ASTM A 53 GR. , Standard Steel Pipe. B seamless steel tubes for general use, ASTM A106/A53 G. B chamfered chamfered steel tubes, BS 1387-1985 inch erw high frequency welded tubes and galvanized tubes, ASTM A333-40 °c-101 °c low temperature seamless tubes. , ASTM a 179 seamless steel tubes for heat exchangers and condensers. Steel Tube length: 5.8 M, 6 M, and up to 12 m, also according to user needs. The outer diameter of the product is 1/2′′-28′′ , 21.3-711.2 mm, wall thickness SCH30, SCH40, STD, XS, SCH80, Sch160, XXS etc. . Seamless pipe according to requirements can be surface anti-corrosion treatment, both ends with plastic caps, can be chamfered according to requirements, and can handle commodity inspection.