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Zamak 2 vs. AWS E33-31

Zamak 2 belongs to the zinc alloys classification, while AWS E33-31 belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is Zamak 2 and the bottom bar is AWS E33-31.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
210
Elongation at Break, % 6.0
29
Poisson's Ratio 0.26
0.27
Shear Modulus, GPa 33
81
Tensile Strength: Ultimate (UTS), MPa 360
810

Thermal Properties

Latent Heat of Fusion, J/g 130
320
Melting Completion (Liquidus), °C 390
1380
Melting Onset (Solidus), °C 380
1330
Specific Heat Capacity, J/kg-K 410
480
Thermal Expansion, µm/m-K 28
14

Otherwise Unclassified Properties

Base Metal Price, % relative 12
36
Density, g/cm3 6.5
7.9
Embodied Carbon, kg CO2/kg material 3.0
6.0
Embodied Energy, MJ/kg 57
86
Embodied Water, L/kg 380
260

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 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 0.030
Chromium (Cr), % 0
31 to 35
Copper (Cu), % 2.5 to 3.3
0.4 to 0.8
Iron (Fe), % 0 to 0.1
24.7 to 34.8
Lead (Pb), % 0 to 0.0050
0
Magnesium (Mg), % 0.020 to 0.060
0
Manganese (Mn), % 0
2.5 to 4.0
Molybdenum (Mo), % 0
1.0 to 2.0
Nickel (Ni), % 0 to 0.020
30 to 32
Nitrogen (N), % 0
0.3 to 0.5
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.030
0 to 0.9
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 0 to 0.0030
0
Zinc (Zn), % 92.2 to 94
0