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EN-MC65210 Magnesium vs. AWS ERTi-12

EN-MC65210 magnesium belongs to the magnesium alloys classification, while AWS ERTi-12 belongs to the titanium 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 EN-MC65210 magnesium and the bottom bar is AWS ERTi-12.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
110
Elongation at Break, % 2.8
12
Fatigue Strength, MPa 110
200
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 17
41
Tensile Strength: Ultimate (UTS), MPa 270
480
Tensile Strength: Yield (Proof), MPa 200
340

Thermal Properties

Latent Heat of Fusion, J/g 340
420
Maximum Temperature: Mechanical, °C 170
320
Melting Completion (Liquidus), °C 610
1670
Melting Onset (Solidus), °C 540
1620
Specific Heat Capacity, J/kg-K 970
540
Thermal Conductivity, W/m-K 110
21
Thermal Expansion, µm/m-K 26
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 110
7.1

Otherwise Unclassified Properties

Density, g/cm3 2.0
4.5
Embodied Carbon, kg CO2/kg material 27
31
Embodied Energy, MJ/kg 220
510

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.9
52
Resilience: Unit (Modulus of Resilience), kJ/m3 450
550
Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 59
35
Strength to Weight: Axial, points 38
30
Strength to Weight: Bending, points 47
30
Thermal Diffusivity, mm2/s 58
8.7
Thermal Shock Resistance, points 17
37

Alloy Composition


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Carbon (C), % 0
0 to 0.030
Copper (Cu), % 0 to 0.030
0
Hydrogen (H), % 0
0 to 0.0080
Iron (Fe), % 0 to 0.010
0 to 0.15
Magnesium (Mg), % 92.6 to 95.6
0
Manganese (Mn), % 0 to 0.15
0
Molybdenum (Mo), % 0
0.2 to 0.4
Nickel (Ni), % 0 to 0.0050
0.060 to 0.090
Nitrogen (N), % 0
0 to 0.015
Oxygen (O), % 0
0.080 to 0.16
Silicon (Si), % 0 to 0.010
0
Silver (Ag), % 2.0 to 3.0
0
Titanium (Ti), % 0
99.147 to 99.66
Unspecified Rare Earths, % 2.0 to 3.0
0
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0.4 to 1.0
0
Residuals, % 0 to 0.010
0