D2 Steel History:     D2 steel’s popularity began during the “Rosey the Riveter” days of World War II. Back then, D2 steel was used to make dies for production lines. A die is pressed down to cut and create shapes out of softer steel. To sum it all up, D2 steel was created to “punch” out large military vehicle/ airplane parts, that would then be hand assembled on an assembly line. D2 steel was not just designed to easily cut through other steels, it was designed to cut through other steels repeatedly, in a factory setting without major wear […]