Slitting Lines are built to handle a wide array of steel coils. They range from 200 mm to 2100 mm in width. Master coil weights can range from 1500 kg to 40,000 kg. Flat rolled steel can be produced as thick as 25 mm to as thin as 0.15 mm with certain specialty metals. Speed can range as fast as 600 m per minute, or as low as 30 m per minute, depending on the desired processing.