Carbon Steel Flange : Material: ASTM SA694 F42, F46, F48, ... etc. Size: 1/2 inch~72 inch NameCarbon Steel FlangeTypeWN flange,SO flange,T flange,Blind flange, ... Threaded flangeSize1/2'' ~24 (DN15~DN600)Pressure class150-2500lbsMaterialcarbon steel, A694 F42, F46, F48, F50, F52, F56, ... ro the customerQuanlityFirst gradeCertificationISO9002,ISO9001,CE certification carbon steel flange,flange bearing,flange