14 HARDFACING ALLOYS, RODS AND ELECTRODES; POWERED ALLOYS; RODS OF ALUMINUM, CAST IRON, BRONZE, NICKEL SILVER, PHOS COPPER, ALLOY STEEL AND CARBON STEEL; SPECIAL ALLOYS AND METALS: ALLOY PIG IRON, FERROCHROMIUM, FERROCHROME SILICON, FERROSILICONE, FERROMANGANESE, SILICOMANGANESE AND STAINLESS STEEL; STEEL AND ALLOY FORGINGS: SEAAMLESS ROLL FORGED TITANIUM RINGS AND SPECIAL STEEL AND ALUMINUM ALLOY RINGS