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AWS BAg-27 vs. ZA-12

AWS BAg-27 belongs to the otherwise unclassified metals classification, while ZA-12 belongs to the zinc alloys. They have a modest 27% 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 AWS BAg-27 and the bottom bar is ZA-12.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 88
83
Poisson's Ratio 0.32
0.26
Shear Modulus, GPa 33
33
Tensile Strength: Ultimate (UTS), MPa 160
260 to 400

Thermal Properties

Latent Heat of Fusion, J/g 140
120
Melting Completion (Liquidus), °C 750
430
Melting Onset (Solidus), °C 610
380
Specific Heat Capacity, J/kg-K 330
450
Thermal Expansion, µm/m-K 22
24

Otherwise Unclassified Properties

Density, g/cm3 8.7
6.0
Embodied Carbon, kg CO2/kg material 25
3.4
Embodied Energy, MJ/kg 400
64

Common Calculations

Stiffness to Weight: Axial, points 5.7
7.6
Stiffness to Weight: Bending, points 17
24
Strength to Weight: Axial, points 5.1
12 to 19
Strength to Weight: Bending, points 7.6
15 to 20
Thermal Shock Resistance, points 5.9
9.4 to 14

Alloy Composition


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Aluminum (Al), % 0
10.5 to 11.5
Cadmium (Cd), % 12.5 to 14.5
0 to 0.0060
Copper (Cu), % 34 to 36
0.5 to 1.2
Iron (Fe), % 0
0 to 0.075
Lead (Pb), % 0
0 to 0.0060
Magnesium (Mg), % 0
0.015 to 0.030
Nickel (Ni), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.060
Silver (Ag), % 24 to 26
0
Tin (Sn), % 0
0 to 0.0030
Zinc (Zn), % 24.5 to 28.5
87.1 to 89
Residuals, % 0 to 0.15
0