Section 15 BASE METALS AND ARTICLES OF BASE METAL 73 ARTICLES OF IRON OR STEEL 73 02 BED-PLATES, TIES AND OTHER MATERIAL SPECIALIZED FOR JOINTING OR FIXING 73 02 30 SWITCH BLADES, CROSSING FROGS, POINT RODS AND OTHER CROSSING PIECES Commodity Code Description 73 02 30 00 SWITCH BLADES, CROSSING FROGS, POINT RODS AND OTHER CROSSING PIECES