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AWS E430Nb vs. ZC63A Magnesium

AWS E430Nb belongs to the iron alloys classification, while ZC63A magnesium belongs to the magnesium 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 AWS E430Nb and the bottom bar is ZC63A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
48
Elongation at Break, % 23
3.3
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
19
Tensile Strength: Ultimate (UTS), MPa 500
220

Thermal Properties

Latent Heat of Fusion, J/g 280
330
Melting Completion (Liquidus), °C 1450
550
Melting Onset (Solidus), °C 1410
470
Specific Heat Capacity, J/kg-K 480
950
Thermal Conductivity, W/m-K 24
120
Thermal Expansion, µm/m-K 14
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
32
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
140

Otherwise Unclassified Properties

Base Metal Price, % relative 15
13
Density, g/cm3 7.7
2.1
Embodied Carbon, kg CO2/kg material 3.1
22
Embodied Energy, MJ/kg 45
150
Embodied Water, L/kg 120
920

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
58
Strength to Weight: Axial, points 18
29
Strength to Weight: Bending, points 18
38
Thermal Diffusivity, mm2/s 6.6
58
Thermal Shock Resistance, points 13
12

Alloy Composition

Carbon (C), % 0 to 0.1
0
Chromium (Cr), % 15 to 18
0
Copper (Cu), % 0 to 0.75
2.4 to 3.0
Iron (Fe), % 76.2 to 84.5
0
Magnesium (Mg), % 0
89.2 to 91.9
Manganese (Mn), % 0 to 1.0
0.25 to 0.75
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 0 to 0.6
0 to 0.010
Niobium (Nb), % 0.5 to 1.5
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 0.2
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
5.5 to 6.5
Residuals, % 0
0 to 0.3