Learn about the HTS codes requiring licenses for Steel Mill Products as of October 13th, 2020. Learn about the HTS codes requiring licenses for Steel Mill Products as of October 13th, 2020. ... BARS/RODS SILICO-MANGANESE STL, IRR COILS, HOT-RLD, WELDING QUALITY WIRE RODS, STAT NOTE 6: Long (Carbon and Alloy)