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AWS E383 vs. ISO-WD32250 Magnesium

AWS E383 belongs to the iron alloys classification, while ISO-WD32250 magnesium belongs to the magnesium alloys. There are 22 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 E383 and the bottom bar is ISO-WD32250 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
45
Elongation at Break, % 34
4.5 to 8.6
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
17
Tensile Strength: Ultimate (UTS), MPa 580
310 to 330

Thermal Properties

Latent Heat of Fusion, J/g 320
340
Melting Completion (Liquidus), °C 1420
600
Melting Onset (Solidus), °C 1370
550
Specific Heat Capacity, J/kg-K 470
980
Thermal Conductivity, W/m-K 12
130
Thermal Expansion, µm/m-K 14
26

Otherwise Unclassified Properties

Base Metal Price, % relative 37
13
Density, g/cm3 8.1
1.8
Embodied Carbon, kg CO2/kg material 6.4
24
Embodied Energy, MJ/kg 89
160
Embodied Water, L/kg 240
950

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
67
Strength to Weight: Axial, points 20
49 to 51
Strength to Weight: Bending, points 19
58 to 60
Thermal Diffusivity, mm2/s 3.1
72
Thermal Shock Resistance, points 15
19 to 20

Alloy Composition

Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 26.5 to 29
0
Copper (Cu), % 0.6 to 1.5
0
Iron (Fe), % 28.8 to 39.2
0
Magnesium (Mg), % 0
94.9 to 97.1
Manganese (Mn), % 0.5 to 2.5
0
Molybdenum (Mo), % 3.2 to 4.2
0
Nickel (Ni), % 30 to 33
0
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.9
0
Sulfur (S), % 0 to 0.020
0
Zinc (Zn), % 0
2.5 to 4.0
Zirconium (Zr), % 0
0.45 to 0.8
Residuals, % 0
0 to 0.3