Section 15 Base metals and articles of base metal 72 Iron and steel 72 26 Flat-rolled products of alloy steel, <600mm wide 72 26 20 Flat-rolled high speed steel, <600mm wide 72 26 20 00 Flat-rolled high speed steel, <600mm wide Commodity Code Description 72 26 20 00 00 Flat-rolled high speed steel, <600mm wide