Alloy Properties

Do you need help choosing the proper alloy?  After you submit a request for quote, our engineers will help you with this decision.  Here are some typical properties for most commonly used alloys.

Tensile strength, psi x 100047553441
Yield strength, psi x 100 (0.2 pct offset)233023
Shear strength, psi x 100028372031
Fatigue strength, psi x 10002025147
Elongation, pct in 2 in.3.50153.010
Hardness (Brinell)80916382
Specific gravity2.718.301.806.60
Weight, lb/cu. in.0.0980.3050.0660.24
Melting point (liquid), °F110016701105728
Thermal conductivity, CG50.
Thermal expansion, in./in./°F x 10612.
Electrical conductivity,
pct of copper standard
Modulus of elasticity, psi x 10610.3156.5
Impact strength (Charpy), ft/lb3.0402.043.0


Characteristics of Die Casting Alloys
Dimensional stabilityGoodExcellentExcellentGood
Corrosion resistanceGoodExcellentFairFair
Casting easeGoodFairGoodExcellent
Part complexityGoodFairGoodExcellent
Dimensional accuracyGoodFairExcellentExcellent
Die costMediumHighMediumLow
Machining costLowMediumLowLow
Finishing costMediumLowHighLow
Chart does not intend to compare metals. Its purpose is to show the most advantageous characteristics of each specific metal. For more specific information, refer to NADCA Product Standards for Die Casting


Dimensional and Weight Limit
Maximum weight, lb.70104475
Minimum wall thickness, large casting, in.0.0800.0900.1000.035
Minimum wall thickness, small casting, inc.0.0400.0550.0400.015
Minimum variation per in. of diameter or length from drawing dimensions over one in.0.00150.0090.00150.001
Cast threads, max. per in. external24102432
Cored holes, min. diameter in.0.0800.2500.0800.050



Finishing: Decorative
Chrome platingFairExcellentFairExcellent
Black chrome platingFairExcellentExcellent
Colored platingFairExcellent
Mechanical – polishing & buffingExcellentExcellentExcellentExcellent
Lacquers, enamels, epoxies & acrylicsExcellentExcellentExcellentExcellent