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AZ61A Magnesium vs. K93603 Alloy

AZ61A magnesium belongs to the magnesium alloys classification, while K93603 alloy belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (12, 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 AZ61A magnesium and the bottom bar is K93603 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
190
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 17
72
Tensile Strength: Ultimate (UTS), MPa 280
490 to 810

Thermal Properties

Latent Heat of Fusion, J/g 350
270
Melting Completion (Liquidus), °C 600
1430
Melting Onset (Solidus), °C 530
1380
Specific Heat Capacity, J/kg-K 990
460
Thermal Expansion, µm/m-K 27
12

Otherwise Unclassified Properties

Base Metal Price, % relative 12
25
Density, g/cm3 1.7
8.2
Embodied Carbon, kg CO2/kg material 23
4.8
Embodied Energy, MJ/kg 160
66
Embodied Water, L/kg 980
120

Common Calculations

Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 69
23
Strength to Weight: Axial, points 46
17 to 27
Strength to Weight: Bending, points 56
17 to 24
Thermal Shock Resistance, points 17
15 to 25

Alloy Composition


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Aluminum (Al), % 5.5 to 7.2
0 to 0.1
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
0 to 0.25
Cobalt (Co), % 0
0 to 0.5
Copper (Cu), % 0 to 0.050
0
Iron (Fe), % 0 to 0.0050
61.8 to 64
Magnesium (Mg), % 90.3 to 93.9
0 to 0.1
Manganese (Mn), % 0.15 to 0.5
0 to 0.6
Nickel (Ni), % 0 to 0.0050
36
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0 to 0.1
0 to 0.4
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0.4 to 1.5
0
Zirconium (Zr), % 0
0 to 0.1
Residuals, % 0 to 0.3
0