1.A105 ASME B16.9 carbon steel flange 2.1/2'' to 60'' 3.high quality 4.T/T,L/C ... carbon steel flange 5.API,CE,ISO A105 ASME B16 ... flange;lapped flange;blind ;spectacle blind,etc.Size RangeFrom ½” up to 60” ScheduleSCH STD, XS, XXS, SCH 10 ~ SCH ... ANSI, ISO, JIS, DIN, BS,GB, SH, HG,QOST,ETC. ASME B16.11ISO9001:2000 , API , BV , SGS, LOIYDApplications range: Petroleum, ...