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ISO-WD43150 Magnesium vs. ASTM B817 Type I

ISO-WD43150 magnesium belongs to the magnesium alloys classification, while ASTM B817 type I belongs to the titanium 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 ISO-WD43150 magnesium and the bottom bar is ASTM B817 type I.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 45
100
Elongation at Break, % 2.8
4.0 to 13
Fatigue Strength, MPa 100
360 to 520
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 18
40
Tensile Strength: Ultimate (UTS), MPa 250
770 to 960
Tensile Strength: Yield (Proof), MPa 150
700 to 860

Thermal Properties

Latent Heat of Fusion, J/g 350
410
Maximum Temperature: Mechanical, °C 95
340
Melting Completion (Liquidus), °C 610
1600
Melting Onset (Solidus), °C 590
1550
Specific Heat Capacity, J/kg-K 990
560
Thermal Conductivity, W/m-K 140
7.1
Thermal Expansion, µm/m-K 27
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 170
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 12
36
Density, g/cm3 1.7
4.4
Embodied Carbon, kg CO2/kg material 24
38
Embodied Energy, MJ/kg 160
610
Embodied Water, L/kg 970
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.1
30 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 250
2310 to 3540
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 71
35
Strength to Weight: Axial, points 41
48 to 60
Strength to Weight: Bending, points 52
42 to 49
Thermal Diffusivity, mm2/s 81
2.9
Thermal Shock Resistance, points 14
54 to 68

Alloy Composition

Aluminum (Al), % 0
5.5 to 6.8
Carbon (C), % 0
0 to 0.1
Chlorine (Cl), % 0
0 to 0.2
Copper (Cu), % 0 to 0.050
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0
0 to 0.4
Magnesium (Mg), % 97.5 to 98.8
0
Manganese (Mn), % 1.2 to 2.0
0
Nickel (Ni), % 0 to 0.010
0
Nitrogen (N), % 0
0 to 0.040
Oxygen (O), % 0
0 to 0.3
Silicon (Si), % 0 to 0.1
0 to 0.1
Sodium (Na), % 0
0 to 0.2
Titanium (Ti), % 0
87 to 91
Vanadium (V), % 0
3.5 to 4.5
Residuals, % 0 to 0.3
0 to 0.4