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Zamak 2 vs. AWS E240

Zamak 2 belongs to the zinc alloys classification, while AWS E240 belongs to the iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is Zamak 2 and the bottom bar is AWS E240.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
200
Elongation at Break, % 6.0
17
Poisson's Ratio 0.26
0.28
Shear Modulus, GPa 33
77
Tensile Strength: Ultimate (UTS), MPa 360
770

Thermal Properties

Latent Heat of Fusion, J/g 130
290
Melting Completion (Liquidus), °C 390
1390
Melting Onset (Solidus), °C 380
1350
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 110
15
Thermal Expansion, µm/m-K 28
15

Otherwise Unclassified Properties

Base Metal Price, % relative 12
14
Density, g/cm3 6.5
7.7
Embodied Carbon, kg CO2/kg material 3.0
3.0
Embodied Energy, MJ/kg 57
42
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
28
Strength to Weight: Bending, points 17
24
Thermal Diffusivity, mm2/s 41
3.9
Thermal Shock Resistance, points 11
19

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
0 to 0.060
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 2.5 to 3.3
0 to 0.75
Iron (Fe), % 0 to 0.1
58.6 to 68.4
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0.020 to 0.060
0
Manganese (Mn), % 0
10.5 to 13.5
Molybdenum (Mo), % 0
0 to 0.75
Nickel (Ni), % 0 to 0.020
4.0 to 6.0
Nitrogen (N), % 0
0.1 to 0.3
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