<h1>GST on iron and steel reservoirs and tanks classed as taxable goods with a specified applicable rate during validity.</h1> Containers consisting of reservoirs, tanks, vats or similar receptacles of iron or steel for materials other than compressed or liquefied gas, of capacity exceeding 300 l, whether or not lined or heat insulated but not fitted with mechanical or thermal equipment, are classified under the goods schedule and attract GST @ 18%.