... or stainless steel (304, 316, 304L, 316L. 321)Hastalloy B & C & Alloy 20 for sizes 15 mm to 50 mm.(b ... 216 Gr. WCB, WCC, LCB, LCC.(c) Casting in stainless steel to ASTM A 351 Gr. CF 8/CF 8M/CF 8C ... /CF 3/CF 3M Alloy 20.Hastalloy B & C.(d) Castings in C.I. to I ...