storage silo steel aluminum silo water tanks STORAGE SILO STEEL Another major application is the storage silo steel and bin developed for scientific storage of food grains with negligible losses in storage. USA-based Columbian TecTank is a major manufacturer of bolted and welded steel storage silos, bins and tanks. A storage silo in steel is often used to store a bituminous mixture before it is loaded onto trucks. Columbian TecTank manufactures large water storage tanks, oil tanks, conical storage tank, steel storage tanks, and storage silos steel for road salt, coffee, flour, coal, chemicals, waste water, oil, and more. The material used for the storage silo is a steel of a high resistance with galvanisation. Progressive Failure and Imminent Collapse of a Steel Storage Silo. Storage silo steel and bins are being manufactured and sold by the authorized fabricators of ColumbianTecTank with the galvanized galvanized corrugated steel. The materials of construction for these tanks have included carbon steel, stainless steel and aluminum. The storage silo steel offer versatility in design, allowing easy changes or extensions to the silo complex. There are many types of steel storage silos, with some doing less damage than others to the asphalt concrete. We can design supporting structures to suit your needs; including storage steel silos that require a separate structural support unit for truck loadouts or process equipment below the storage silo steel.