Port
City Group- Aluminum & Zinc Alloy Information
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A380
Composition
Silicon
7.5 - 9.5
Iron 1.00
Copper 3.0 - 4.0
Manganese 0.50
Magnesium 0.10
Nickel 0.50
Zinc 2.90
Tin 0.35
Aluminum balance
Mechanical
properties
Ultimate
Tensile
Strength 47 (ksi)
Yield Strength 23 (ksi)
Elongation
(% in 2in.) 3.5
Hardness (BHN) 80
Shear Strength 27 (ksi)
Impact Strength -
Fatigue Strength 20 (ksi)
Young’s Modulus
psi x 10 10.3
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Zinc
#3
Composition
Aluminum 3.5 - 4.3
Magnesium 0.02 - 0.05
Copper 0.25 max
Iron 0.10
Lead 0.005
Cadmium 0.004
Nickel --
Tin 0.003
Zinc balance
Mechanical properties
Ultimate
Tensile
Strength 41 (ksi)
Yield Strength 32 (ksi)
Elongation
(% in 2in.) 10
Hardness (BHN) 82
Shear Strength 32 (ksi)
Impact Strength 43 (ft-lb)
Fatigue Strength 6.9 (ksi)
Young’s Modulus
psi x 10 differs
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Zinc
#5
Composition
Aluminum 3.5 - 4.3
Magnesium 0.03 - 0.08
Copper 0.75 - 1.25
Iron 0.10
Lead 0.005
Cadmium 0.004
Nickel --
Tin 0.003
Zinc balance
Mechanical properties
Ultimate Tensile
Strength 48 (ksi)
Yield Strength 39 (ksi)
Elongation
(% in 2in.) 7
Hardness (BHN) 91
Shear Strength 38 (ksi)
Impact Strength 48 (ft-lb)
Fatigue Strength 8.2 (ksi)
Young’s Modulus
psi x 10 differs
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ZA-8
Composition
Aluminum 8.0 - 8.8
Magnesium 0.015 - 0.03
Copper 0.8 - 1.3
Iron 0.075
Lead 0.006
Cadmium 0.006
Nickel --
Tin 0.003
Zinc balance
Mechanical properties
Ultimate Tensile
Strength 54 (ksi)
Yield Strength 41-43 (ksi)
Elongation
(% in 2in.) 6 - 10
Hardness (BHN) 100 - 106
Shear Strength 40 (ksi)
Impact Strength 25 - 35
Fatigue Strength 15 (ksi)
Young’s Modulus
psi x 10 12.4
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