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AWS ERTi-2 vs. AZ92A Magnesium

AWS ERTi-2 belongs to the titanium alloys classification, while AZ92A 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-2 and the bottom bar is AZ92A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
47
Elongation at Break, % 20
2.1 to 6.8
Fatigue Strength, MPa 190
76 to 90
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
18
Tensile Strength: Ultimate (UTS), MPa 340
170 to 270
Tensile Strength: Yield (Proof), MPa 280
83 to 140

Thermal Properties

Latent Heat of Fusion, J/g 420
350
Maximum Temperature: Mechanical, °C 320
130
Melting Completion (Liquidus), °C 1670
590
Melting Onset (Solidus), °C 1620
440
Specific Heat Capacity, J/kg-K 540
980
Thermal Conductivity, W/m-K 21
44 to 58
Thermal Expansion, µm/m-K 8.7
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
11 to 12
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
53 to 62

Otherwise Unclassified Properties

Base Metal Price, % relative 37
12
Density, g/cm3 4.5
1.8
Embodied Carbon, kg CO2/kg material 31
22
Embodied Energy, MJ/kg 510
160
Embodied Water, L/kg 110
980

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 64
4.0 to 14
Resilience: Unit (Modulus of Resilience), kJ/m3 360
73 to 220
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
67
Strength to Weight: Axial, points 21
26 to 41
Strength to Weight: Bending, points 24
38 to 51
Thermal Diffusivity, mm2/s 8.7
25 to 33
Thermal Shock Resistance, points 27
10 to 16

Alloy Composition

Aluminum (Al), % 0
8.3 to 9.7
Carbon (C), % 0 to 0.030
0
Copper (Cu), % 0
0 to 0.25
Hydrogen (H), % 0 to 0.0080
0
Iron (Fe), % 0 to 0.12
0
Magnesium (Mg), % 0
86.7 to 90
Manganese (Mn), % 0
0.1 to 0.35
Nickel (Ni), % 0
0 to 0.010
Nitrogen (N), % 0 to 0.015
0
Oxygen (O), % 0.080 to 0.16
0
Silicon (Si), % 0
0 to 0.3
Titanium (Ti), % 99.667 to 99.92
0
Zinc (Zn), % 0
1.6 to 2.4
Residuals, % 0
0 to 0.3