EQUIPMENT. 18 Production Lines (Total corporate capacity over 2 million tons) 9 Slitting Lines - All HERR-VOSS with Strand Extension Technology capable of slitting from 0.010" to 0.400" thick. 2 slitters certified for surface critical Auto Exposed slitting. 1 Auto High Strength Steel slitter - designed to slit material that exceeds 300,000 PSI.