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ZC63A Magnesium vs. AWS E330H

ZC63A magnesium belongs to the magnesium alloys classification, while AWS E330H belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (9, 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 E330H.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 48
190
Elongation at Break, % 3.3
11
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 19
76
Tensile Strength: Ultimate (UTS), MPa 220
690

Thermal Properties

Latent Heat of Fusion, J/g 330
290
Melting Completion (Liquidus), °C 550
1400
Melting Onset (Solidus), °C 470
1350
Specific Heat Capacity, J/kg-K 950
470
Thermal Conductivity, W/m-K 120
12
Thermal Expansion, µm/m-K 26
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 140
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 13
30
Density, g/cm3 2.1
8.1
Embodied Carbon, kg CO2/kg material 22
5.4
Embodied Energy, MJ/kg 150
76
Embodied Water, L/kg 920
180

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 58
24
Strength to Weight: Axial, points 29
24
Strength to Weight: Bending, points 38
22
Thermal Diffusivity, mm2/s 58
3.2
Thermal Shock Resistance, points 12
19

Alloy Composition


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Carbon (C), % 0
0.35 to 0.45
Chromium (Cr), % 0
14 to 17
Copper (Cu), % 2.4 to 3.0
0 to 0.75
Iron (Fe), % 0
40.5 to 51.7
Magnesium (Mg), % 89.2 to 91.9
0
Manganese (Mn), % 0.25 to 0.75
1.0 to 2.5
Molybdenum (Mo), % 0
0 to 0.75
Nickel (Ni), % 0 to 0.010
33 to 37
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.2
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 5.5 to 6.5
0
Residuals, % 0 to 0.3
0