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AWS ERTi-12 vs. EN-MC65120 Magnesium

AWS ERTi-12 belongs to the titanium alloys classification, while EN-MC65120 magnesium belongs to the magnesium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, 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 ERTi-12 and the bottom bar is EN-MC65120 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
45
Elongation at Break, % 12
3.1
Fatigue Strength, MPa 200
80
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 41
17
Tensile Strength: Ultimate (UTS), MPa 480
160
Tensile Strength: Yield (Proof), MPa 340
110

Thermal Properties

Latent Heat of Fusion, J/g 420
330
Maximum Temperature: Mechanical, °C 320
180
Melting Completion (Liquidus), °C 1670
590
Melting Onset (Solidus), °C 1620
520
Specific Heat Capacity, J/kg-K 540
970
Thermal Conductivity, W/m-K 21
100
Thermal Expansion, µm/m-K 8.7
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
25
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
120

Otherwise Unclassified Properties

Base Metal Price, % relative 37
25
Density, g/cm3 4.5
1.9
Embodied Carbon, kg CO2/kg material 31
25
Embodied Energy, MJ/kg 510
190
Embodied Water, L/kg 110
930

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 52
4.4
Resilience: Unit (Modulus of Resilience), kJ/m3 550
140
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
62
Strength to Weight: Axial, points 30
23
Strength to Weight: Bending, points 30
34
Thermal Diffusivity, mm2/s 8.7
56
Thermal Shock Resistance, points 37
9.8

Alloy Composition

Carbon (C), % 0 to 0.030
0
Copper (Cu), % 0
0 to 0.030
Hydrogen (H), % 0 to 0.0080
0
Iron (Fe), % 0 to 0.15
0 to 0.010
Magnesium (Mg), % 0
91.8 to 95.1
Manganese (Mn), % 0
0 to 0.15
Molybdenum (Mo), % 0.2 to 0.4
0
Nickel (Ni), % 0.060 to 0.090
0 to 0.0050
Nitrogen (N), % 0 to 0.015
0
Oxygen (O), % 0.080 to 0.16
0
Silicon (Si), % 0
0 to 0.010
Titanium (Ti), % 99.147 to 99.66
0
Unspecified Rare Earths, % 0
2.5 to 4.0
Zinc (Zn), % 0
2.0 to 3.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.010