Awọn wọnyi ni ASTM A182 F12 alloy irin pipe flanges ni o dara fun iwọn otutu giga ati awọn agbegbe titẹ giga. ASTM A182 Alloy Steel Pipe Flanges rọrun pupọ lati fi sori ẹrọ ati ni ibudo kekere nitori paipu ti o lọ sinu flange ṣaaju alurinmorin. Awọn flanges wọnyi wa ni awọn oriṣiriṣi oriṣiriṣi gẹgẹbi awọn fifẹ isokuso, awọn afọju afọju, awọn flanges weld butt, socket weld flanges, orifice flanges, eyeglass blind flanges, threaded \/threaded flanges, reducer flanges, ring flanges Type joint flange (RTJ), etc.