BOY:No. CURIOUS CAT:Let's find out how it all begins. CURIOUS CAT:'The tins are made of steel, and steel is made from special rocks underground called iron ore. Iron is a metal, and it's found in ...
Fran Scott describes some of the uses of steel and then finds out how it is made from iron that has been produced in a blast furnace. The carbon content is reduced by blasting heated oxygen onto ...
The highest quality tamahagane can cost up to 50 times more than ordinary steel made using modern methods. While fired at high temperatures, the tamahagane is never allowed to reach a molten state.