01) Commodity: seamless steel pipes 02) Process method: cold drawn/Hot-rolled 03) Material: API5L grade B, ASTM A53/A106 grade B 04) Standards: API 05) Size: a) NPS: 1/8" to 24" b) Schedule: SCH40 SCH80 SHC160 c) O.D.: 13.7mm to 609.6mm 06) Length: 6 meters or others