... Carbon Steel Flange : Material: ASTM SA694 F42, F46, F48, F50, F52, F56,F60,F65,F70 etc. Size: 1/2 inch~72 inch NameCarbon Steel ... FlangeTypeWN flange,SO flange,T flange,Blind flange,LJ flange,SW flange and Threaded flangeSize1/2'' ~24 ( ... ro the customerQuanlityFirst gradeCertificationISO9002,ISO9001,CE certification carbon steel flange,flange bearing,flange