MakeItFrom.com
Menu (ESC)

AWS BAg-7 vs. AZ91C Magnesium

AWS BAg-7 belongs to the otherwise unclassified metals classification, while AZ91C magnesium belongs to the magnesium alloys. There are 17 material properties with values for both materials. Properties with values for just one material (15, 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 BAg-7 and the bottom bar is AZ91C magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 83
46
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 31
18
Tensile Strength: Ultimate (UTS), MPa 150
170 to 270

Thermal Properties

Latent Heat of Fusion, J/g 130
350
Melting Completion (Liquidus), °C 650
600
Melting Onset (Solidus), °C 620
470
Specific Heat Capacity, J/kg-K 290
990
Thermal Expansion, µm/m-K 20
26

Otherwise Unclassified Properties

Density, g/cm3 9.3
1.7
Embodied Carbon, kg CO2/kg material 55
22
Embodied Energy, MJ/kg 860
160

Common Calculations

Stiffness to Weight: Axial, points 4.9
15
Stiffness to Weight: Bending, points 16
69
Strength to Weight: Axial, points 4.5
27 to 43
Strength to Weight: Bending, points 6.7
39 to 53
Thermal Shock Resistance, points 6.4
9.9 to 16

Alloy Composition

Aluminum (Al), % 0
8.1 to 9.3
Copper (Cu), % 21 to 23
0 to 0.1
Magnesium (Mg), % 0
88.6 to 91.4
Manganese (Mn), % 0
0.13 to 0.35
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0
0 to 0.3
Silver (Ag), % 55 to 57
0
Tin (Sn), % 4.5 to 5.5
0
Zinc (Zn), % 15 to 19
0.4 to 1.0
Residuals, % 0
0 to 0.3