... NameBrief IntroductionMaterialModel NumberBrand NameMinimum Order QuantityUnitAdditional Description 4 1/2" oil casingCasing and Tubing Standard: API 5CT,Carbon Steel4 1/ ... . T1,T1a,T1bASTM A519 Gr. 1020,1030,1045,1513,1524,4130,4135,4142DIN17204 Gr. C22,Ck22,Cm22,C35,Ck35,C45 ... structureLine pipeGr..BAPI60-630*1.5-40Carrying gas,water or oil in the industries of petroleum and natural gasHydraulic prop ...