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Zamak 3 vs. AWS E312

Zamak 3 belongs to the zinc alloys classification, while AWS E312 belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (17, in this case) are not shown.

For each property being compared, the top bar is Zamak 3 and the bottom bar is AWS E312.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 86
200
Elongation at Break, % 11
25
Poisson's Ratio 0.25
0.27
Shear Modulus, GPa 33
80
Tensile Strength: Ultimate (UTS), MPa 280
740

Thermal Properties

Latent Heat of Fusion, J/g 120
310
Melting Completion (Liquidus), °C 390
1410
Melting Onset (Solidus), °C 380
1360
Specific Heat Capacity, J/kg-K 410
480
Thermal Expansion, µm/m-K 27
15

Otherwise Unclassified Properties

Base Metal Price, % relative 11
20
Density, g/cm3 6.4
7.7
Embodied Carbon, kg CO2/kg material 3.0
3.6
Embodied Energy, MJ/kg 57
52
Embodied Water, L/kg 380
200

Common Calculations

Stiffness to Weight: Axial, points 7.5
15
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 12
27
Strength to Weight: Bending, points 15
24
Thermal Shock Resistance, points 8.6
18

Alloy Composition

Aluminum (Al), % 3.5 to 4.3
0
Cadmium (Cd), % 0 to 0.0050
0
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0
28 to 32
Copper (Cu), % 0 to 0.25
0 to 0.75
Iron (Fe), % 0 to 0.1
52.3 to 63.5
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
0 to 0.75
Nickel (Ni), % 0 to 0.020
8.0 to 10.5
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), % 95.3 to 96.5
0