CONSTRUCTION OF MATERIALS : Cast Steel (ASTM A 216 WCB / LCB), NACE MRO 1-75, Stainless Steels, (ASTM A 351 CF8,(304), CF3(304L), CF8M(316)), CF3M(316L),CF8C(321), ALLOY 20(CN/7M), Forged Carbon Steel ASTM A105/Forged Stainless Steel ASTM A182 304/304L 316/316L, Cast iron