FLANGES : Ansi B.16.5 , 150Lb , 300Lb , 600Lb , 900Lb , 1500Lb , 2500 Lb , 5k , 10k , 20k , Flange Pn 10 , Pn 16 , Pn 25 , Pn 40. Flange Slip - On , Flange Welding Neck , Flange Ring to Joint ( RTJ ) , Flange Socket Weld ( SW ) , Blind Flange , Loose Flange JIS , Reducer Flange , Lap Joint . Material : A - 105 , ASTM A - 182 TP 304 - 304L , TP 316 - 316 L , ASTM A 350 Gr.LF2.