One photo tells you the difference of sand molding casting,Investment, Hot Forging, Loss Wax Casting Investment, Centrifugal Casting

Sand cast (like use following sand binder: No-bake furan resin, alkaline phenolic resin, cold box resin, hot box resin, bentonite)

Gravity Die Casting

Investment / Loss Wax Casting

Centrifugal Casting

Hot Forging

Low-Pressure Die Casting