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AS41B Magnesium vs. AWS BVAg-32

AS41B magnesium belongs to the magnesium alloys classification, while AWS BVAg-32 belongs to the otherwise unclassified metals. There are 15 material properties with values for both materials. Properties with values for just one material (16, 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 AS41B magnesium and the bottom bar is AWS BVAg-32.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
93
Poisson's Ratio 0.29
0.37
Shear Modulus, GPa 18
34
Tensile Strength: Ultimate (UTS), MPa 210
180

Thermal Properties

Latent Heat of Fusion, J/g 370
140
Melting Completion (Liquidus), °C 620
950
Melting Onset (Solidus), °C 570
900
Specific Heat Capacity, J/kg-K 1000
270
Thermal Expansion, µm/m-K 26
17

Otherwise Unclassified Properties

Density, g/cm3 1.7
11

Common Calculations

Stiffness to Weight: Axial, points 15
4.9
Stiffness to Weight: Bending, points 72
14
Strength to Weight: Axial, points 35
4.7
Strength to Weight: Bending, points 47
6.7
Thermal Shock Resistance, points 13
8.0

Alloy Composition

Aluminum (Al), % 3.5 to 5.0
0
Cadmium (Cd), % 0
0 to 0.0010
Carbon (C), % 0
0 to 0.0050
Copper (Cu), % 0 to 0.020
20 to 22
Iron (Fe), % 0 to 0.0035
0
Lead (Pb), % 0
0 to 0.0020
Magnesium (Mg), % 92.7 to 95.7
0
Manganese (Mn), % 0.35 to 0.7
0
Nickel (Ni), % 0 to 0.0020
0
Palladium (Pd), % 0
23 to 27
Phosphorus (P), % 0
0 to 0.0020
Silicon (Si), % 0.5 to 1.5
0
Silver (Ag), % 0
53 to 55
Zinc (Zn), % 0 to 0.12
0 to 0.0010