API 5L pipeline according to standards ASTM, API, DIN, EN, BS, JIS, UL, could be used in oil field, transferring gas and oil API 5L pipeline,according to standards ASTM A53, ASTM A106, API 5L, EN10219 or similar standardsSIZE: 16mm-508mm, Wall thickness:0.8mm---20mm.surface: 3PE coated PURPOSE: transferring oil and gas, high presure liquid CERTIFICATE: ISO9001, UL, FM, CE, API5L