Standard: ASME,ANSI,ASTM,ASTM A106-2006 Grade: 10#,20#,45#,Q195,Q215,Q235,Q345,API J55,API K55,API L80, etc OD: 2"-30" Thickness: 0.250"-4.00" Section Shape: Round Application: Oil Pipe Technique: Hot Rolled Certification: ASTM A106,A53,API 5L,BS,JIS,GB,ASME,EN,ANSI,ASTM.etc Surface Treatment: Varnished, Galvanized, 3PE,etc Special Pipe: API Pipe Length: Random or fixed