The crossword solution for the term 'IT'S SOMETIMES CAST' is IRON. IRON is a chemical element with the symbol Fe and atomic number 26. It is a metal that has been used by humans for millennia, and is one of the most abundant elements in the Earth's crust. IRON is used in many industries, including construction, manufacturing, and transportation. It is also used to make tools, weapons, and other items. IRON is also used in the production of steel, which is an alloy of IRON and other elements.