api 5000API 6A6B6BX FLANGE STANDARD, Class 2000PSI, 3000PSI, 5000PSI, 10000PSI, 20000PSI,data sheet including OD, ID, Thickness, Neck dimensions, bolt holesapi 6a - type - 6b 34.5 mpa (5000 psi) gbt 22513-2013 API 6A-TYPE-6B 34.5MPA (5000PSI)