Section 15 Base metals and articles of base metal 73 Articles of iron or steel 73 12 Stranded wire, cables... of iron or steel, not electically insulated 73 12 10 Stranded steel wires for prestressing concrete 73 12 10 91 Stranded steel wires for prestressing concrete Commodity Code Description 73 12 10 91 00 Stranded steel wires for prestressing concrete
