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Zamak 2 vs. AWS E320

Zamak 2 belongs to the zinc alloys classification, while AWS E320 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 E320.

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
77
Tensile Strength: Ultimate (UTS), MPa 360
620

Thermal Properties

Latent Heat of Fusion, J/g 130
300
Melting Completion (Liquidus), °C 390
1410
Melting Onset (Solidus), °C 380
1360
Specific Heat Capacity, J/kg-K 410
460
Thermal Expansion, µm/m-K 28
14

Otherwise Unclassified Properties

Base Metal Price, % relative 12
38
Density, g/cm3 6.5
8.2
Embodied Carbon, kg CO2/kg material 3.0
6.5
Embodied Energy, MJ/kg 57
91
Embodied Water, L/kg 380
220

Common Calculations

Stiffness to Weight: Axial, points 7.5
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 15
21
Strength to Weight: Bending, points 17
20
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 0.070
Chromium (Cr), % 0
19 to 21
Copper (Cu), % 2.5 to 3.3
3.0 to 4.0
Iron (Fe), % 0 to 0.1
31.8 to 43.5
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
32 to 36
Niobium (Nb), % 0
0 to 1.0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.030
0 to 0.6
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.0030
0
Zinc (Zn), % 92.2 to 94
0