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Zamak 2 vs. SAE-AISI A9 Steel

Zamak 2 belongs to the zinc alloys classification, while SAE-AISI A9 steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is Zamak 2 and the bottom bar is SAE-AISI A9 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
190
Poisson's Ratio 0.26
0.29
Shear Modulus, GPa 33
74
Tensile Strength: Ultimate (UTS), MPa 360
770 to 2030

Thermal Properties

Latent Heat of Fusion, J/g 130
280
Melting Completion (Liquidus), °C 390
1460
Melting Onset (Solidus), °C 380
1410
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 110
35
Thermal Expansion, µm/m-K 28
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
7.9
Electrical Conductivity: Equal Weight (Specific), % IACS 35
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 12
7.0
Density, g/cm3 6.5
7.8
Embodied Carbon, kg CO2/kg material 3.0
4.7
Embodied Energy, MJ/kg 57
70
Embodied Water, L/kg 380
82

Common Calculations

Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 15
28 to 73
Strength to Weight: Bending, points 17
24 to 46
Thermal Diffusivity, mm2/s 41
9.6
Thermal Shock Resistance, points 11
25 to 66

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
0.45 to 0.55
Chromium (Cr), % 0
4.8 to 5.5
Copper (Cu), % 2.5 to 3.3
0 to 0.25
Iron (Fe), % 0 to 0.1
87 to 90.5
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0.020 to 0.060
0
Manganese (Mn), % 0
0 to 0.5
Molybdenum (Mo), % 0
1.3 to 1.8
Nickel (Ni), % 0 to 0.020
1.3 to 1.8
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.030
1.0 to 1.2
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.0030
0
Vanadium (V), % 0
0.8 to 1.4
Zinc (Zn), % 92.2 to 94
0