api grade b pipe 1)Grades:304,304L,316,316L,317,310 ... -426mm 3)WT:1-50mm 4)Standard:ATSM,AISI,DIN, API 5CT Oil casing pipe oil gas pipe 1). Size: OD ... ). Can be customized any specifications according to customers' requirements Name:API 5CT Oil casing pipeMaterial:304,321.TP316L,310S,904L,347 ... -25 daysProductivity:20000ton/yearMOQ:1 tons Oil Well Casing Pipe api 5l carbon steel pipe api grade b pipe