... to72" 2)standard:ASME B16.5 3)material:a182 f316 4)WT:#150-#2500 5)face:RF ASME B16 ... .5 a182 f316 steel socket RF flange size1/2" to 24" ... Q235,A350LF2,A350LF3,)Stainless steel(ASTM A182 F304, F304L,F316,F316L,F321,F347,F310F44F51,A276 S31803, A182, F43, A276 ... controlled lathetestingultrasonic fault detector ASME B16.5 a182 f316 steel socket RF flange