According to API 5D Standard,made of TPCO SpecWeightFlat-end WeightExternal Diameter DWall Thickness tGradeUpset Typelb/ftKg/minchmminchmm2-3/8″6.656.279.332.37560.30.2807.11E,X,G,SUpset2-7/8″10.49.7214.472.87573.00.3629.19E,X,G,SUpset3-1/2″13.312.3218.343.50088.90.3689.35E,X,G,SUpset3-1/2″15.514.6421.793.50088.90.44911.4E,X,G,SUpset4″14.012.9519.274.000101.60.3308.38E,X,G,SInt Upset4-1/2″16.615. ...