Zamak 5 vs. AWS BAg-2

Zamak 5 belongs to the zinc alloys classification, while AWS BAg-2 belongs to the otherwise unclassified metals. They have a modest 22% of their average alloy composition in common, which, by itself, doesn't mean much. There are 17 material properties with values for both materials. Properties with values for just one material (19, in this case) are not shown.

For each property being compared, the top bar is Zamak 5 and the bottom bar is AWS BAg-2.

Zamak 5 (ASTM AC41A, Z35531, Mazak 5) Zinc Alloy AWS BAg-2 (P07350) Filler Metal

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		87
Elastic (Young's, Tensile) Modulus, GPa		82

Poisson's Ratio		0.25
Poisson's Ratio		0.32

Shear Modulus, GPa		33
Shear Modulus, GPa		31

Tensile Strength: Ultimate (UTS), MPa		330
Tensile Strength: Ultimate (UTS), MPa		180

Thermal Properties

Latent Heat of Fusion, J/g		120
Latent Heat of Fusion, J/g		130

Melting Completion (Liquidus), °C		390
Melting Completion (Liquidus), °C		700

Melting Onset (Solidus), °C		380
Melting Onset (Solidus), °C		610

Specific Heat Capacity, J/kg-K		410
Specific Heat Capacity, J/kg-K		310

Thermal Expansion, µm/m-K		27
Thermal Expansion, µm/m-K		22

Otherwise Unclassified Properties

Density, g/cm³		6.4
Density, g/cm³		8.9

Embodied Carbon, kg CO₂/kg material		3.0
Embodied Carbon, kg CO₂/kg material		35

Embodied Energy, MJ/kg		57
Embodied Energy, MJ/kg		550

Common Calculations

Stiffness to Weight: Axial, points		7.5
Stiffness to Weight: Axial, points		5.1

Stiffness to Weight: Bending, points		23
Stiffness to Weight: Bending, points		16

Strength to Weight: Axial, points		14
Strength to Weight: Axial, points		5.6

Strength to Weight: Bending, points		16
Strength to Weight: Bending, points		7.9

Thermal Shock Resistance, points		9.9
Thermal Shock Resistance, points		7.0

Alloy Composition

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Aluminum (Al), %		3.5 to 4.3
Aluminum (Al), %		0

Cadmium (Cd), %		0 to 0.0050
Cadmium (Cd), %		17 to 19

Copper (Cu), %		0.7 to 1.3
Copper (Cu), %		25 to 27

Iron (Fe), %		0 to 0.1
Iron (Fe), %		0

Lead (Pb), %		0 to 0.0050
Lead (Pb), %		0

Magnesium (Mg), %		0.025 to 0.080
Magnesium (Mg), %		0

Nickel (Ni), %		0 to 0.020
Nickel (Ni), %		0

Silicon (Si), %		0 to 0.030
Silicon (Si), %		0

Silver (Ag), %		0
Silver (Ag), %		34 to 36

Tin (Sn), %		0 to 0.0030
Tin (Sn), %		0

Zinc (Zn), %		94.3 to 95.7
Zinc (Zn), %		19 to 23

Residuals, %		0
Residuals, %		0 to 0.15