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Zamak 2 vs. AWS E385

Zamak 2 belongs to the zinc alloys classification, while AWS E385 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 E385.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
200
Elongation at Break, % 6.0
34
Poisson's Ratio 0.26
0.28
Shear Modulus, GPa 33
79
Tensile Strength: Ultimate (UTS), MPa 360
580

Thermal Properties

Latent Heat of Fusion, J/g 130
300
Melting Completion (Liquidus), °C 390
1440
Melting Onset (Solidus), °C 380
1390
Specific Heat Capacity, J/kg-K 410
460
Thermal Conductivity, W/m-K 110
14
Thermal Expansion, µm/m-K 28
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 35
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 12
31
Density, g/cm3 6.5
8.1
Embodied Carbon, kg CO2/kg material 3.0
5.8
Embodied Energy, MJ/kg 57
79
Embodied Water, L/kg 380
200

Common Calculations

Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 15
20
Strength to Weight: Bending, points 17
19
Thermal Diffusivity, mm2/s 41
3.6
Thermal Shock Resistance, points 11
15

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
19.5 to 21.5
Copper (Cu), % 2.5 to 3.3
1.2 to 2.0
Iron (Fe), % 0 to 0.1
41.8 to 50.1
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0.020 to 0.060
0
Manganese (Mn), % 0
1.0 to 2.5
Molybdenum (Mo), % 0
4.2 to 5.2
Nickel (Ni), % 0 to 0.020
24 to 26
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.030
0 to 0.9
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 0 to 0.0030
0
Zinc (Zn), % 92.2 to 94
0