Std Ref.: API 5CT 5B ISO9001, 2008 Grade: J55,K55, N80-1,N80-Q,L80,C90,P110 Size: ... 4-1/2"to13-3/8" Tubing Centralizer serial productsSpecificationMain technical parameterDLHxb (BE)DApplicable inner diameter of casing Basic dimensionsLimited deviationKSJG ... Condition Cutting Machine GB4240/ GZK4235/ GB4032A 12 5.0 Acceptable Lathe CA6140A/ CW6163B 9 8.0 Acceptable NC Lathe YHSK-1310/ CKA6163/ HY ...