... GB/T 13810-2007,ASTM F136-02a,ASTM F67,ISO5832-2/32.Specifications: GradeConditionDiameter(mm)Gr1,Gr2,Gr3,Gr4,Gr5, ... Deviation of Diameter DiameterAllowable DeviationDiameterAllowable DeviationDiameterAllowable Deviation0.1-0.2-0.025>0.2-0.5-0.04>0.5-1.0 ... -0.06>1.0-2.0-0.08>2.0-4.0-0.10>4.0-7 ... ,GJB,ASTM,AMS,JISTitanium PipeSeamless pipeΦ(3--114)×≤(0.2--5.0)Wall ThicknessWelded pipeΦ(10--40)×≤(0.5 ...