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Foundry 101

Aluminum Die Cast Alloy Comparison

Chemical composition and mechanical properties of common aluminum die casting alloys.

Composition limits and typical mechanical properties for the aluminum alloys most often used in die casting.

Composition % A360 ADC3 A380 ADC10 A383 ADC12 B390 ADC14
Silicon 9.0 - 10.0 9.0 - 10.0 7.5 - 9.5 7.5 - 9.5 9.5 - 11.5 9.6 - 12.0 16.0 - 18.0 16.0 - 18.0
Iron 1.30 0.90 1.30 0.90 1.30 0.90 <1.30 <1.30
Copper 0.60 0.60 3.0 - 4.0 2.0 - 4.0 2.0 - 3.0 1.5 - 3.5 4.0 - 5.0 4.0 - 5.0
Manganese 0.35 0.30 0.50 0.50 0.50 0.50 <0.50 <0.50
Magnesium 0.40 – 0.60 0.40 – 0.60 0.10 0.30 0.10 0.30 0.45 - 0.65 0.45 - 0.65
Nickel 0.50 0.50 0.50 0.50 0.30 0.50 <1.0 <0.30
Zinc 0.50 0.50 3.0 1.0 3.0 1.0 <1.50 <1.50
Tin 0.15 0.10 0.35 0.10 0.15 0.1 - <0.30
properties A360 ADC3 A380 ADC10 A383 ADC12 B390 ADC14
Tensile (ksi) 46 46 47 46 45 45 46 46
Yield Strength 24 26 23 23 22 22 36 36
Elongation % 3.5 3.5 3.5 3.5 3.5 3.5 <1 <1
Hardness (BHN) 75 76 80 83 75 - 80 86 120 108

Foundry 101

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