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AWS ERTi-12 vs. EN-MC21210 Magnesium

AWS ERTi-12 belongs to the titanium alloys classification, while EN-MC21210 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-MC21210 magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
44
Elongation at Break, % 12
14
Fatigue Strength, MPa 200
70
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 41
17
Tensile Strength: Ultimate (UTS), MPa 480
190
Tensile Strength: Yield (Proof), MPa 340
90

Thermal Properties

Latent Heat of Fusion, J/g 420
350
Maximum Temperature: Mechanical, °C 320
100
Melting Completion (Liquidus), °C 1670
600
Melting Onset (Solidus), °C 1620
570
Specific Heat Capacity, J/kg-K 540
1000
Thermal Conductivity, W/m-K 21
120
Thermal Expansion, µm/m-K 8.7
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
24
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
130

Otherwise Unclassified Properties

Base Metal Price, % relative 37
12
Density, g/cm3 4.5
1.6
Embodied Carbon, kg CO2/kg material 31
24
Embodied Energy, MJ/kg 510
160
Embodied Water, L/kg 110
980

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 52
22
Resilience: Unit (Modulus of Resilience), kJ/m3 550
92
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 35
72
Strength to Weight: Axial, points 30
32
Strength to Weight: Bending, points 30
44
Thermal Diffusivity, mm2/s 8.7
76
Thermal Shock Resistance, points 37
11

Alloy Composition

Aluminum (Al), % 0
1.6 to 2.6
Carbon (C), % 0 to 0.030
0
Copper (Cu), % 0
0 to 0.010
Hydrogen (H), % 0 to 0.0080
0
Iron (Fe), % 0 to 0.15
0 to 0.0050
Magnesium (Mg), % 0
96.3 to 98.3
Manganese (Mn), % 0
0.1 to 0.7
Molybdenum (Mo), % 0.2 to 0.4
0
Nickel (Ni), % 0.060 to 0.090
0 to 0.0020
Nitrogen (N), % 0 to 0.015
0
Oxygen (O), % 0.080 to 0.16
0
Silicon (Si), % 0
0 to 0.1
Titanium (Ti), % 99.147 to 99.66
0
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.010