Section XV — Base metals and articles of base metal
Subheading
720720
Containing by weight 0.25% or more of carbon
Common commodities
High carbon steel bloomsHard steel billetsCarbon slabs for manufacturingSemifinished iron roundsHeat treated hard steel barsCarbon steel billet stockHard steel block forging materialManufacturing quality carbon steel slabsCarbon steel construction billetHard carbon steel manufacturing blocks