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ZC63A Magnesium vs. AWS E33-31

ZC63A magnesium belongs to the magnesium alloys classification, while AWS E33-31 belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (13, 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 ZC63A magnesium and the bottom bar is AWS E33-31.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 48
210
Elongation at Break, % 3.3
29
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 19
81
Tensile Strength: Ultimate (UTS), MPa 220
810

Thermal Properties

Latent Heat of Fusion, J/g 330
320
Melting Completion (Liquidus), °C 550
1380
Melting Onset (Solidus), °C 470
1330
Specific Heat Capacity, J/kg-K 950
480
Thermal Expansion, µm/m-K 26
14

Otherwise Unclassified Properties

Base Metal Price, % relative 13
36
Density, g/cm3 2.1
7.9
Embodied Carbon, kg CO2/kg material 22
6.0
Embodied Energy, MJ/kg 150
86
Embodied Water, L/kg 920
260

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 58
25
Strength to Weight: Axial, points 29
28
Strength to Weight: Bending, points 38
24
Thermal Shock Resistance, points 12
19

Alloy Composition


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Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
31 to 35
Copper (Cu), % 2.4 to 3.0
0.4 to 0.8
Iron (Fe), % 0
24.7 to 34.8
Magnesium (Mg), % 89.2 to 91.9
0
Manganese (Mn), % 0.25 to 0.75
2.5 to 4.0
Molybdenum (Mo), % 0
1.0 to 2.0
Nickel (Ni), % 0 to 0.010
30 to 32
Nitrogen (N), % 0
0.3 to 0.5
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.2
0 to 0.9
Sulfur (S), % 0
0 to 0.010
Zinc (Zn), % 5.5 to 6.5
0
Residuals, % 0 to 0.3
0