Semi-finished casting products are intermediate castings produced in a steel mill that need further processing before being finished goods. They are used
for rolling into bars, rods, and sections. It can be produced with ingots or
directly by continuous casting. Billets are used as raw materials or
feedstock in extrusion, forging, rolling, and other metal-processing
operation. Billet metal is a solid length of material that has been extruded
into shape is often used in CNC machining.