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AWS ERTi-5 vs. EZ33A Magnesium

AWS ERTi-5 belongs to the titanium alloys classification, while EZ33A magnesium belongs to the magnesium alloys. There are 29 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 AWS ERTi-5 and the bottom bar is EZ33A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
44
Elongation at Break, % 10
2.6
Fatigue Strength, MPa 470
70
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
17
Tensile Strength: Ultimate (UTS), MPa 900
150
Tensile Strength: Yield (Proof), MPa 830
100

Thermal Properties

Latent Heat of Fusion, J/g 410
330
Maximum Temperature: Mechanical, °C 340
250
Melting Completion (Liquidus), °C 1610
640
Melting Onset (Solidus), °C 1560
570
Specific Heat Capacity, J/kg-K 560
970
Thermal Conductivity, W/m-K 7.1
100
Thermal Expansion, µm/m-K 9.6
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
24
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
110

Otherwise Unclassified Properties

Base Metal Price, % relative 36
25
Density, g/cm3 4.4
1.9
Embodied Carbon, kg CO2/kg material 38
25
Embodied Energy, MJ/kg 610
190
Embodied Water, L/kg 200
930

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 87
3.6
Resilience: Unit (Modulus of Resilience), kJ/m3 3250
120
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
61
Strength to Weight: Axial, points 56
22
Strength to Weight: Bending, points 46
33
Thermal Diffusivity, mm2/s 2.9
54
Thermal Shock Resistance, points 63
9.2

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
0
Carbon (C), % 0 to 0.050
0
Copper (Cu), % 0
0 to 0.1
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.22
0
Magnesium (Mg), % 0
91.5 to 95
Nickel (Ni), % 0
0 to 0.010
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0.12 to 0.2
0
Titanium (Ti), % 88.2 to 90.9
0
Unspecified Rare Earths, % 0
2.5 to 4.0
Vanadium (V), % 3.5 to 4.5
0
Zinc (Zn), % 0
2.0 to 3.1
Zirconium (Zr), % 0
0.5 to 1.0
Residuals, % 0
0 to 0.3