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AS41B Magnesium vs. R58150 Titanium

AS41B magnesium belongs to the magnesium alloys classification, while R58150 titanium belongs to the titanium alloys. There are 26 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 AS41B magnesium and the bottom bar is R58150 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
140
Elongation at Break, % 6.0
13
Fatigue Strength, MPa 97
330
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 18
52
Shear Strength, MPa 120
470
Tensile Strength: Ultimate (UTS), MPa 210
770
Tensile Strength: Yield (Proof), MPa 140
550

Thermal Properties

Latent Heat of Fusion, J/g 370
410
Maximum Temperature: Mechanical, °C 110
320
Melting Completion (Liquidus), °C 620
1760
Melting Onset (Solidus), °C 570
1700
Specific Heat Capacity, J/kg-K 1000
500
Thermal Expansion, µm/m-K 26
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 12
48
Density, g/cm3 1.7
5.4
Embodied Carbon, kg CO2/kg material 23
31
Embodied Energy, MJ/kg 160
480
Embodied Water, L/kg 980
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11
94
Resilience: Unit (Modulus of Resilience), kJ/m3 220
1110
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 72
32
Strength to Weight: Axial, points 35
40
Strength to Weight: Bending, points 47
35
Thermal Shock Resistance, points 13
48

Alloy Composition

Aluminum (Al), % 3.5 to 5.0
0
Carbon (C), % 0
0 to 0.1
Copper (Cu), % 0 to 0.020
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.0035
0 to 0.1
Magnesium (Mg), % 92.7 to 95.7
0
Manganese (Mn), % 0.35 to 0.7
0
Molybdenum (Mo), % 0
14 to 16
Nickel (Ni), % 0 to 0.0020
0
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.2
Silicon (Si), % 0.5 to 1.5
0
Titanium (Ti), % 0
83.5 to 86
Zinc (Zn), % 0 to 0.12
0