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AWS BVAg-6b vs. EQ21A Magnesium

AWS BVAg-6b belongs to the otherwise unclassified metals classification, while EQ21A magnesium belongs to the magnesium alloys. There are 17 material properties with values for both materials. Properties with values for just one material (17, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is AWS BVAg-6b and the bottom bar is EQ21A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 93
44
Poisson's Ratio 0.35
0.29
Shear Modulus, GPa 35
17
Tensile Strength: Ultimate (UTS), MPa 180
250

Thermal Properties

Latent Heat of Fusion, J/g 160
340
Melting Completion (Liquidus), °C 870
640
Melting Onset (Solidus), °C 780
560
Specific Heat Capacity, J/kg-K 310
980
Thermal Expansion, µm/m-K 19
27

Otherwise Unclassified Properties

Density, g/cm3 9.7
1.9
Embodied Carbon, kg CO2/kg material 49
27
Embodied Energy, MJ/kg 770
210

Common Calculations

Stiffness to Weight: Axial, points 5.3
13
Stiffness to Weight: Bending, points 16
63
Strength to Weight: Axial, points 5.1
37
Strength to Weight: Bending, points 7.3
47
Thermal Shock Resistance, points 7.4
15

Alloy Composition

Cadmium (Cd), % 0 to 0.0010
0
Carbon (C), % 0 to 0.0050
0
Copper (Cu), % 49 to 51
0.050 to 0.1
Lead (Pb), % 0 to 0.0020
0
Magnesium (Mg), % 0
93.9 to 96.8
Nickel (Ni), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.0020
0
Silver (Ag), % 49 to 51
1.3 to 1.7
Unspecified Rare Earths, % 0
1.5 to 3.0
Zinc (Zn), % 0 to 0.0010
0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3