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Zamak 5 vs. SAE-AISI T8 Steel

Zamak 5 belongs to the zinc alloys classification, while SAE-AISI T8 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is Zamak 5 and the bottom bar is SAE-AISI T8 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
200
Poisson's Ratio 0.25
0.29
Shear Modulus, GPa 33
78
Tensile Strength: Ultimate (UTS), MPa 330
780 to 2140

Thermal Properties

Latent Heat of Fusion, J/g 120
250
Melting Completion (Liquidus), °C 390
1730
Melting Onset (Solidus), °C 380
1670
Specific Heat Capacity, J/kg-K 410
420
Thermal Conductivity, W/m-K 110
18
Thermal Expansion, µm/m-K 27
12

Otherwise Unclassified Properties

Base Metal Price, % relative 12
45
Density, g/cm3 6.4
9.0
Embodied Carbon, kg CO2/kg material 3.0
10
Embodied Energy, MJ/kg 57
160
Embodied Water, L/kg 380
120

Common Calculations

Stiffness to Weight: Axial, points 7.5
12
Stiffness to Weight: Bending, points 23
22
Strength to Weight: Axial, points 14
24 to 66
Strength to Weight: Bending, points 16
21 to 41
Thermal Diffusivity, mm2/s 42
4.8
Thermal Shock Resistance, points 9.9
24 to 66

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
0.75 to 0.85
Chromium (Cr), % 0
3.8 to 4.5
Cobalt (Co), % 0
4.3 to 5.8
Copper (Cu), % 0.7 to 1.3
0 to 0.25
Iron (Fe), % 0 to 0.1
69.3 to 75.4
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0.025 to 0.080
0
Manganese (Mn), % 0
0.2 to 0.4
Molybdenum (Mo), % 0
0.4 to 1.0
Nickel (Ni), % 0 to 0.020
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.030
0.2 to 0.4
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.0030
0
Tungsten (W), % 0
13.3 to 14.8
Vanadium (V), % 0
1.8 to 2.4
Zinc (Zn), % 94.3 to 95.7
0