Size 1/8'' to 24'' Pressure 150LB, 300LB, 600LB, 900LB, ... Steel : ASTM A 182, A 240Grade : F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H,904L, Duplex ... , Hastelloy C22,C276 Copper Alloys : Copper, Brass & GunmetalSize : 1/8" NB TO 48"NB.Class : 150#, 300#,400 #,600 ... DIN2636, DIN2637, DIN2638, DIN2673B.S : BS4504 , BS4504, BS1560, BS10 304/304L & 3016/316L ANSI B16.5 Flange