Specifications 1.certificate:ISO9001-2008 API 5L
2.delivery short times
3.16 years'experience
Features of Seamless Steel Tube: No.1 Pipe Diameter of Seamless Steel Tube: 1/2"-36" No.2 Thickness of Seamless Steel Tube: 2mm-59.54mm No.3 Steel grade of Seamless Steel Tube: grade B , 20# , Q235 , ST 52 , ST37 No.4 Standards of Seamless Steel Tube: ASTM A106, ASTM 53, GB/T8163 No.5 Surface of Seamless Steel Tube: oiled or black painted to prevent rust No.6 Marking of Seamless Steel Tube: As per customer's requirement No.7 Packing of Seamless Steel Tube: Bundles or seaworthy wooden cases No.8 Notes: plain or belleved ends with the plactis caps or As per customer's requirement .