A333 GR1 Steel Pipe 1.the short delivery 2.T/T &L/C 3.considerate service 4. high quality & ... , X65, X70, X80, X100CertificationAPI, ISO, CE, UL, BSI, BVOuter Diameter1/2''-48''Wall Thickness2-59.54mmLengthSingle Random Length, Double Random Length ...