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Zamak 2 vs. AWS E308Mo

Zamak 2 belongs to the zinc alloys classification, while AWS E308Mo belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is Zamak 2 and the bottom bar is AWS E308Mo.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
200
Elongation at Break, % 6.0
40
Poisson's Ratio 0.26
0.28
Shear Modulus, GPa 33
78
Tensile Strength: Ultimate (UTS), MPa 360
620

Thermal Properties

Latent Heat of Fusion, J/g 130
290
Melting Completion (Liquidus), °C 390
1440
Melting Onset (Solidus), °C 380
1400
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 110
16
Thermal Expansion, µm/m-K 28
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 35
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 12
19
Density, g/cm3 6.5
7.9
Embodied Carbon, kg CO2/kg material 3.0
3.8
Embodied Energy, MJ/kg 57
53
Embodied Water, L/kg 380
160

Common Calculations

Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 15
22
Strength to Weight: Bending, points 17
20
Thermal Diffusivity, mm2/s 41
4.2
Thermal Shock Resistance, points 11
16

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
18 to 21
Copper (Cu), % 2.5 to 3.3
0 to 0.75
Iron (Fe), % 0 to 0.1
59.6 to 70.5
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0.020 to 0.060
0
Manganese (Mn), % 0
0.5 to 2.5
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0 to 0.020
9.0 to 12
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.030
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.0030
0
Zinc (Zn), % 92.2 to 94
0