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AWS E312 vs. Zamak 5

AWS E312 belongs to the iron alloys classification, while Zamak 5 belongs to the zinc 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 AWS E312 and the bottom bar is Zamak 5.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
87
Elongation at Break, % 25
6.3
Poisson's Ratio 0.27
0.25
Shear Modulus, GPa 80
33
Tensile Strength: Ultimate (UTS), MPa 740
330

Thermal Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 20
12
Density, g/cm3 7.7
6.4
Embodied Carbon, kg CO2/kg material 3.6
3.0
Embodied Energy, MJ/kg 52
57
Embodied Water, L/kg 200
380

Common Calculations

Stiffness to Weight: Axial, points 15
7.5
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 27
14
Strength to Weight: Bending, points 24
16
Thermal Shock Resistance, points 18
9.9

Alloy Composition

Aluminum (Al), % 0
3.5 to 4.3
Cadmium (Cd), % 0
0 to 0.0050
Carbon (C), % 0 to 0.15
0
Chromium (Cr), % 28 to 32
0
Copper (Cu), % 0 to 0.75
0.7 to 1.3
Iron (Fe), % 52.3 to 63.5
0 to 0.1
Lead (Pb), % 0
0 to 0.0050
Magnesium (Mg), % 0
0.025 to 0.080
Manganese (Mn), % 0.5 to 2.5
0
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 8.0 to 10.5
0 to 0.020
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 0.030
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.0030
Zinc (Zn), % 0
94.3 to 95.7