There are two types of Shell and Tube Heat Exchangers used in industrial applications :

Scorodite is one of the major manufacturers of Stainless Steel Heat Exchanger Tubes in welded and seamless construction for applications in Power generation i.e. Nuclear, Thermal and Solar Power Plants , Refinery and Petrochemical, Oil and Gas, Chemical and Fertilizer, Process Industries , Defence , Atomic energy and Aerospace, Pulp and Paper Industries etc.