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AWS E312 vs. ISO-WD32350 Magnesium

AWS E312 belongs to the iron alloys classification, while ISO-WD32350 magnesium belongs to the magnesium alloys. There are 20 material properties with values for both materials. Properties with values for just one material (11, 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 E312 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, % 25
5.7 to 10
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
18
Tensile Strength: Ultimate (UTS), MPa 740
250 to 290

Thermal Properties

Latent Heat of Fusion, J/g 310
340
Melting Completion (Liquidus), °C 1410
600
Melting Onset (Solidus), °C 1360
560
Specific Heat Capacity, J/kg-K 480
990
Thermal Expansion, µm/m-K 15
25

Otherwise Unclassified Properties

Base Metal Price, % relative 20
12
Density, g/cm3 7.7
1.7
Embodied Carbon, kg CO2/kg material 3.6
23
Embodied Energy, MJ/kg 52
160
Embodied Water, L/kg 200
960

Common Calculations

Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 25
68
Strength to Weight: Axial, points 27
39 to 46
Strength to Weight: Bending, points 24
50 to 55
Thermal Shock Resistance, points 18
16 to 18

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Carbon (C), % 0 to 0.15
0
Chromium (Cr), % 28 to 32
0
Copper (Cu), % 0 to 0.75
0 to 0.1
Iron (Fe), % 52.3 to 63.5
0 to 0.060
Magnesium (Mg), % 0
95.7 to 97.7
Manganese (Mn), % 0.5 to 2.5
0.6 to 1.3
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 8.0 to 10.5
0 to 0.0050
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