Secondary Or Not: Non-alloy Special Pipe: API Pipe Surface Treatment: nothing Certification: BSI Technique: Cold Drawn, Cold drawn Application: Fluid Pipe Place of Origin: Hebei, China (Mainland) Section Shape: Round Thickness: 1.24-63.5mm Length: 4-12m Outer Diameter: 1/8"-48" Grade: A53(A,B),A106(B-C),API 10#,20#,45#,16Mn Standard: API 5L, ASTM A106 GRBASTM A53-2007,ASTM A106-2006, GB/T 8162-1999 we can make the proper package according to the market of your country,and we can also design qualified package according to your taste or need