Seamless API Steel Pipe1,Website:http://www.sinosteelpipes.com,Specification: Material: 1, ASTM A53, A106, A210, A252, A333 etc;2, X42, X46, X52, ... CM300MeterLength: R2, R3.Application: serves as walls of a well .Packing: bundle or bulkMaterial grade: J55, K55, N80, L80, T95,7" ... : R2, R3.Application: serves as walls of a well .Packing: bundle or bulkMaterial grade: J55, K55, N80, L80, T95,2, ...