Process Comparison

Return to Process Selector
Property Name   Shell Mold Casting
ShapesThin-walled: Complex, Solid: Cylindrical, Solid: Cubic, Solid: Complex
(Flat, Thin-walled: Cylindrical, Thin-walled: Cubic)
Part sizeWeight: 0.5 oz - 220 lb 
MaterialsMetals, Alloy Steel, Carbon Steel, Cast Iron, Stainless Steel, Aluminum, Copper, Nickel 
Surface finish - Ra (μin)50 - 300
(32 - 500)
Tolerance (in.)± 0.015
(± 0.006)
Max wall thickness0.06 - 2.0 
Quantity1000 - 1000000
(100 - 1000000)
Lead timeWeeks
AdvantagesCan form complex shapes and fine details, Very good surface finish, High production rate, Low labor cost, Low tooling cost, Little scrap generated 
DisadvantagesHigh equipment cost 
ApplicationsCylinder heads, connecting rods 
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.