Process Comparison

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Property Name   Permanent Mold Casting
ShapesThin-walled: Complex, Solid: Cylindrical, Solid: Cubic, Solid: Complex
(Flat, Thin-walled: Cylindrical, Thin-walled: Cubic)
Part sizeWeight: 2 oz - 660 lb 
MaterialsAluminum, Copper, Magnesium
(Metals, Alloy Steel, Carbon Steel, Cast Iron, Stainless Steel, Lead, Nickel, Tin, Titanium, Zinc)
Surface finish - Ra (μin)125 - 250
(32 - 400)
Tolerance (in.)± 0.015
(± 0.01)
Max wall thickness0.08 - 2 
Quantity1000 - 100000
(500 - 1000000)
Lead timeMonths
AdvantagesCan form complex shapes, Good mechanical properties, Many material options, Low porosity, Low labor cost, Scrap can be recycled 
DisadvantagesHigh tooling cost, Long lead time possible 
ApplicationsGears, wheels, housings, engine components 
Typical values shown first (Feasible values in parentheses)

Disclaimer: All process specifications reflect the approximate range of a process's capabilities and should be viewed only as a guide. Actual capabilities are dependent upon the manufacturer, equipment, material, and part requirements.