FINISHED CAST FOUNDRY PRODUCTS COMPOSED OF A HARD, TOUGH, RESISTANT MATERIAL HAVING BOTH IRON AND STEEL CHARACTERISTICS WHICH IS PARTICULARLY RESISTANT TO WEAR AND ABRASION ESPECIALLY UNDER THE ACTION OF HEAT, SUCH AS ROLLS OF ALL KINDS FOR ROLLING MILLS; ROLLS OF ALL KINDS FOR TUBE MILLS; "CREASER" ROLLS FOR HORSESHOE PLANTS; PINIONS; GEARS; COUPLING BOXES; SPINDLES; GUIDES FOR ROD, WIRE, AND BILLET MILLS; DIES-HAMMER, BENDING FORGING SHOVEL, AND FORK TINE DIES; DRAWING DIE RINGS; PIERCING POINTS AND PLUGS FOR SEAMLESS TUBE MILLS; LINERS FOR BALL AND TUBE MILLS; SHOVEL TEETH; GRIZZLY BARS FOR COPPER MILLS; PULVERIZER HAMMERS; ORE AND COAL CHUTES; WEARING PLATES; AUGERS FOR BRICK PLANTS; MANDRELS; PUG MILLS KNIVES; CRUSHER JAWS; CEMENT MILL ROLLS, TIES, AND LINER PLATES; NOZZLES FOR DIE CASTING MACHINES; NOZZLES FOR SAND BLASTING; GRINDING DISCS AND MOULDS FOR GLASS PLANTS; RAILROAD FROGS AND CROSSINGS; CRANE AND MINE CAR WHEELS; PLUNGERS FOR PUMPS, AND BRAKE SHOES