ZA-27 vs. AWS BAg-4

ZA-27 belongs to the zinc alloys classification, while AWS BAg-4 belongs to the otherwise unclassified metals. They have a modest 30% 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 (20, in this case) are not shown.

For each property being compared, the top bar is ZA-27 and the bottom bar is AWS BAg-4.

Zinc-Aluminum 27 (ZA-27, Z35841)AWS BAg-4 (P07400) Filler Metal

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		78
Elastic (Young's, Tensile) Modulus, GPa		91

Poisson's Ratio		0.27
Poisson's Ratio		0.33

Shear Modulus, GPa		31
Shear Modulus, GPa		34

Tensile Strength: Ultimate (UTS), MPa		400 to 430
Tensile Strength: Ultimate (UTS), MPa		150

Thermal Properties

Latent Heat of Fusion, J/g		130
Latent Heat of Fusion, J/g		140

Melting Completion (Liquidus), °C		480
Melting Completion (Liquidus), °C		780

Melting Onset (Solidus), °C		380
Melting Onset (Solidus), °C		670

Specific Heat Capacity, J/kg-K		530
Specific Heat Capacity, J/kg-K		330

Thermal Expansion, µm/m-K		26
Thermal Expansion, µm/m-K		21

Otherwise Unclassified Properties

Density, g/cm³		5.0
Density, g/cm³		8.9

Embodied Carbon, kg CO₂/kg material		4.2
Embodied Carbon, kg CO₂/kg material		40

Embodied Energy, MJ/kg		80
Embodied Energy, MJ/kg		630

Common Calculations

Stiffness to Weight: Axial, points		8.6
Stiffness to Weight: Axial, points		5.7

Stiffness to Weight: Bending, points		28
Stiffness to Weight: Bending, points		17

Strength to Weight: Axial, points		22 to 24
Strength to Weight: Axial, points		4.7

Strength to Weight: Bending, points		24 to 25
Strength to Weight: Bending, points		7.1

Thermal Shock Resistance, points		14 to 15
Thermal Shock Resistance, points		5.7

Alloy Composition

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Aluminum (Al), %		25 to 28
Aluminum (Al), %		0

Cadmium (Cd), %		0 to 0.0060
Cadmium (Cd), %		0

Copper (Cu), %		2.0 to 2.5
Copper (Cu), %		29 to 31

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

Lead (Pb), %		0 to 0.0060
Lead (Pb), %		0

Magnesium (Mg), %		0.010 to 0.020
Magnesium (Mg), %		0

Nickel (Ni), %		0 to 0.020
Nickel (Ni), %		1.5 to 2.5

Silicon (Si), %		0 to 0.080
Silicon (Si), %		0

Silver (Ag), %		0
Silver (Ag), %		39 to 41

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

Zinc (Zn), %		69.3 to 73
Zinc (Zn), %		26 to 30

Residuals, %		0
Residuals, %		0 to 0.15