... Fittings process workshop,ISO9001:2008,PED97/23/EC,and AD2000,GOST and RTN certfied, month output:550metric ton for ... sulfuric acid plant equipment including: tanks; crates; heating coils; and seawater-heat exchangers. Nickel Alloy 825 is also used ... resistance to stress, corrosion, cracking, and oxidizing and non–oxidizing hot acid, phosphoric, and acid production. Chemical Compostion% NiFeCrMnCuTi38.0 ...