Packing
Pallet
Partial density
Passivating
Pearlite
Periclase
Peritectic
Permeability
Phase
Phase equilibrium
Phase interaction
Phase transition heat
Phase transition temperature
Physical metallurgy
Pickling
Pig
Pig iron
Pipeline transport
Pipe segregation
Pipe (tube) stock
Pitch
Plasma
Plasmic arc
Plasmotron
Plugging
Polymorphism
Pore
Porosity
Potential energy
Powder
Powders
Powder wire
Power
Power balance
Power supply
Pressure gage
Pressure transducer
Primary metals
Prime yield
Process
Production cycle
Production lead
Product quality
Proximate analysis
Protective coat
Pulsating mixing
Puddling process
Pump
Purging plug
Pusher
Pyrometallurgy
Pyrometer