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AWS E385 vs. ISO-WD32350 Magnesium

AWS E385 belongs to the iron alloys classification, while ISO-WD32350 magnesium belongs to the magnesium alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, 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 E385 and the bottom bar is ISO-WD32350 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
45
Elongation at Break, % 34
5.7 to 10
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
18
Tensile Strength: Ultimate (UTS), MPa 580
250 to 290

Thermal Properties

Latent Heat of Fusion, J/g 300
340
Melting Completion (Liquidus), °C 1440
600
Melting Onset (Solidus), °C 1390
560
Specific Heat Capacity, J/kg-K 460
990
Thermal Conductivity, W/m-K 14
130
Thermal Expansion, µm/m-K 14
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
25
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
130

Otherwise Unclassified Properties

Base Metal Price, % relative 31
12
Density, g/cm3 8.1
1.7
Embodied Carbon, kg CO2/kg material 5.8
23
Embodied Energy, MJ/kg 79
160
Embodied Water, L/kg 200
960

Common Calculations

Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
68
Strength to Weight: Axial, points 20
39 to 46
Strength to Weight: Bending, points 19
50 to 55
Thermal Diffusivity, mm2/s 3.6
73
Thermal Shock Resistance, points 15
16 to 18

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 19.5 to 21.5
0
Copper (Cu), % 1.2 to 2.0
0 to 0.1
Iron (Fe), % 41.8 to 50.1
0 to 0.060
Magnesium (Mg), % 0
95.7 to 97.7
Manganese (Mn), % 1.0 to 2.5
0.6 to 1.3
Molybdenum (Mo), % 4.2 to 5.2
0
Nickel (Ni), % 24 to 26
0 to 0.0050
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.9
0 to 0.1
Sulfur (S), % 0 to 0.020
0
Zinc (Zn), % 0
1.8 to 2.3
Residuals, % 0
0 to 0.3