Seamless API Steel Pipe1,Website:http://www.sinosteelpipes.com,Specification: Material: 1, ASTM A53, A106, A210, A252, A333 etc; ... of a well .Packing: bundle or bulkMaterial grade: J55, K55, N80, L80, T95, ,5" oil casing pipeCasing and Tubing Standard: API ... of a well .Packing: bundle or bulkMaterial grade: J55, K55, N80, L80, T95,2,Characteristic & Application: •Widely used in the mechanical ...