Porous nozzle for blowing gas through steel
Porous nozzle for molten metal vessel
Porous plug retainer
Porous plug structure for aluminum furances
Pouring of metals
Powder body melting burner
Powder body melting burner
Powder injection apparatus for injection of powder into molten m
Powder injection apparatus with sieving apparatus
Powder injector for ladle
Power feeding method and apparatus
Process and converter for refining liquid metals
Process and device for manufacturing free-flowing metal foam
Pulverized coal injection lance
Purge plug
Purging device and method of making same