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AWS E409Nb vs. ISO-WD32350 Magnesium

AWS E409Nb belongs to the iron alloys classification, while ISO-WD32350 magnesium belongs to the magnesium alloys. There are 27 material properties with values for both materials. Properties with values for just one material (4, 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 E409Nb and the bottom bar is ISO-WD32350 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
45
Elongation at Break, % 23
5.7 to 10
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
18
Tensile Strength: Ultimate (UTS), MPa 500
250 to 290
Tensile Strength: Yield (Proof), MPa 380
140 to 180

Thermal Properties

Latent Heat of Fusion, J/g 280
340
Melting Completion (Liquidus), °C 1460
600
Melting Onset (Solidus), °C 1410
560
Specific Heat Capacity, J/kg-K 480
990
Thermal Conductivity, W/m-K 25
130
Thermal Expansion, µm/m-K 14
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
25
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
130

Otherwise Unclassified Properties

Base Metal Price, % relative 13
12
Density, g/cm3 7.8
1.7
Embodied Carbon, kg CO2/kg material 2.9
23
Embodied Energy, MJ/kg 42
160
Embodied Water, L/kg 100
960

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
14 to 23
Resilience: Unit (Modulus of Resilience), kJ/m3 380
210 to 380
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
68
Strength to Weight: Axial, points 18
39 to 46
Strength to Weight: Bending, points 18
50 to 55
Thermal Diffusivity, mm2/s 6.8
73
Thermal Shock Resistance, points 14
16 to 18

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Carbon (C), % 0 to 0.12
0
Chromium (Cr), % 11 to 14
0
Copper (Cu), % 0 to 0.75
0 to 0.1
Iron (Fe), % 80.2 to 88.5
0 to 0.060
Magnesium (Mg), % 0
95.7 to 97.7
Manganese (Mn), % 0 to 1.0
0.6 to 1.3
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 0 to 0.6
0 to 0.0050
Niobium (Nb), % 0.5 to 1.5
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 0.1
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
1.8 to 2.3
Residuals, % 0
0 to 0.3