Shell & Tube Sheet - MS, BO, SS304, SS304L, SS316, SS316L, etc. Tubes (PlainFinInner Groove) - Carbon Steel, Copper, Cupro Nickel, SS304, SS304L, SS316, SS316L, etc.Air Conditioning & ReFrigeration Equipments. Evaporators Single Circuit, Multi Circuits. Condensers Single Circuit, Multi Circuits.