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AWS BVAg-8 vs. ZA-8

AWS BVAg-8 belongs to the otherwise unclassified metals classification, while ZA-8 belongs to the zinc alloys. There are 15 material properties with values for both materials. Properties with values for just one material (22, in this case) are not shown.

For each property being compared, the top bar is AWS BVAg-8 and the bottom bar is ZA-8.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 84
85 to 86
Poisson's Ratio 0.36
0.26
Shear Modulus, GPa 31
34
Tensile Strength: Ultimate (UTS), MPa 170
210 to 370

Thermal Properties

Latent Heat of Fusion, J/g 140
110
Melting Completion (Liquidus), °C 780
400
Melting Onset (Solidus), °C 780
380
Specific Heat Capacity, J/kg-K 280
440
Thermal Expansion, µm/m-K 19
23

Otherwise Unclassified Properties

Density, g/cm3 10
6.3

Common Calculations

Stiffness to Weight: Axial, points 4.6
7.5
Stiffness to Weight: Bending, points 14
23
Strength to Weight: Axial, points 4.7
9.3 to 17
Strength to Weight: Bending, points 6.8
12 to 18
Thermal Shock Resistance, points 7.6
7.6 to 13

Alloy Composition

Aluminum (Al), % 0
8.0 to 8.8
Cadmium (Cd), % 0 to 0.0010
0 to 0.0060
Carbon (C), % 0 to 0.0050
0
Copper (Cu), % 27 to 29
0.8 to 1.3
Iron (Fe), % 0
0 to 0.075
Lead (Pb), % 0 to 0.0020
0 to 0.0060
Magnesium (Mg), % 0
0.015 to 0.030
Nickel (Ni), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.0020
0
Silicon (Si), % 0
0 to 0.045
Silver (Ag), % 71 to 73
0
Tin (Sn), % 0
0 to 0.0030
Zinc (Zn), % 0 to 0.0010
89.7 to 91.2