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AM60B Magnesium vs. AWS BAg-19

AM60B magnesium belongs to the magnesium alloys classification, while AWS BAg-19 belongs to the otherwise unclassified metals. There are 15 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 AM60B magnesium and the bottom bar is AWS BAg-19.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
74
Poisson's Ratio 0.29
0.37
Shear Modulus, GPa 17
27
Tensile Strength: Ultimate (UTS), MPa 230
140

Thermal Properties

Latent Heat of Fusion, J/g 350
120
Melting Completion (Liquidus), °C 620
890
Melting Onset (Solidus), °C 540
760
Specific Heat Capacity, J/kg-K 1000
250
Thermal Expansion, µm/m-K 26
20

Otherwise Unclassified Properties

Density, g/cm3 1.7
10

Common Calculations

Stiffness to Weight: Axial, points 15
4.0
Stiffness to Weight: Bending, points 71
14
Strength to Weight: Axial, points 38
3.8
Strength to Weight: Bending, points 50
5.8
Thermal Shock Resistance, points 14
6.9

Alloy Composition


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Aluminum (Al), % 5.5 to 6.5
0
Copper (Cu), % 0 to 0.010
6.6 to 7.9
Iron (Fe), % 0 to 0.0050
0
Lithium (Li), % 0
0.15 to 0.3
Magnesium (Mg), % 92.6 to 94.3
0
Manganese (Mn), % 0.24 to 0.6
0
Nickel (Ni), % 0 to 0.0020
0
Silicon (Si), % 0 to 0.1
0
Silver (Ag), % 0
92 to 93
Zinc (Zn), % 0 to 0.22
0
Residuals, % 0
0 to 0.15