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AWS ERTi-1 vs. ZE41A Magnesium

AWS ERTi-1 belongs to the titanium alloys classification, while ZE41A magnesium belongs to the magnesium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, 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-1 and the bottom bar is ZE41A magnesium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
45
Elongation at Break, % 24
3.3
Fatigue Strength, MPa 120
98
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 41
18
Tensile Strength: Ultimate (UTS), MPa 240
210
Tensile Strength: Yield (Proof), MPa 170
140

Thermal Properties

Latent Heat of Fusion, J/g 420
330
Maximum Temperature: Mechanical, °C 320
150
Melting Completion (Liquidus), °C 1670
640
Melting Onset (Solidus), °C 1620
540
Specific Heat Capacity, J/kg-K 540
970
Thermal Conductivity, W/m-K 21
110
Thermal Expansion, µm/m-K 8.7
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
27
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
130

Otherwise Unclassified Properties

Base Metal Price, % relative 37
18
Density, g/cm3 4.5
1.9
Embodied Carbon, kg CO2/kg material 31
24
Embodied Energy, MJ/kg 510
170
Embodied Water, L/kg 110
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 52
6.1
Resilience: Unit (Modulus of Resilience), kJ/m3 140
220
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
63
Strength to Weight: Axial, points 15
31
Strength to Weight: Bending, points 19
41
Thermal Diffusivity, mm2/s 8.7
59
Thermal Shock Resistance, points 19
12

Alloy Composition

Carbon (C), % 0 to 0.030
0
Copper (Cu), % 0
0 to 0.1
Hydrogen (H), % 0 to 0.0050
0
Iron (Fe), % 0 to 0.080
0
Magnesium (Mg), % 0
91.7 to 95.4
Manganese (Mn), % 0
0 to 0.15
Nickel (Ni), % 0
0 to 0.010
Nitrogen (N), % 0 to 0.012
0
Oxygen (O), % 0.030 to 0.1
0
Titanium (Ti), % 99.773 to 99.97
0
Unspecified Rare Earths, % 0
0.75 to 1.8
Zinc (Zn), % 0
3.5 to 5.0
Zirconium (Zr), % 0
0.4 to 1.0
Residuals, % 0
0 to 0.3