ASTM B817 Type II vs. ISO-WD32250 Magnesium
ASTM B817 type II belongs to the titanium alloys classification, while ISO-WD32250 magnesium belongs to the magnesium alloys. There are 25 material properties with values for both materials. Properties with values for just one material (6, 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 ASTM B817 type II and the bottom bar is ISO-WD32250 magnesium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 45 |
| Elongation at Break, % | 3.0 to 13 | |
| 4.5 to 8.6 |
| Fatigue Strength, MPa | 390 to 530 | |
| 170 to 210 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Shear Modulus, GPa | 40 | |
| 17 |
| Tensile Strength: Ultimate (UTS), MPa | 900 to 960 | |
| 310 to 330 |
| Tensile Strength: Yield (Proof), MPa | 780 to 900 | |
| 240 to 290 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 340 |
| Maximum Temperature: Mechanical, °C | 350 | |
| 120 |
| Melting Completion (Liquidus), °C | 1580 | |
| 600 |
| Melting Onset (Solidus), °C | 1530 | |
| 550 |
| Specific Heat Capacity, J/kg-K | 550 | |
| 980 |
| Thermal Expansion, µm/m-K | 9.9 | |
| 26 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 37 | |
| 13 |
| Density, g/cm3 | 4.6 | |
| 1.8 |
| Embodied Carbon, kg CO2/kg material | 40 | |
| 24 |
| Embodied Energy, MJ/kg | 650 | |
| 160 |
| Embodied Water, L/kg | 220 | |
| 950 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 26 to 120 | |
| 14 to 26 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 2890 to 3890 | |
| 630 to 930 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 34 | |
| 67 |
| Strength to Weight: Axial, points | 55 to 58 | |
| 49 to 51 |
| Strength to Weight: Bending, points | 45 to 47 | |
| 58 to 60 |
| Thermal Shock Resistance, points | 62 to 66 | |
| 19 to 20 |
Alloy Composition
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| Aluminum (Al), % | 5.0 to 6.0 | |
| 0 |
| Carbon (C), % | 0 to 0.1 | |
| 0 |
| Chlorine (Cl), % | 0 to 0.2 | |
| 0 |
| Copper (Cu), % | 0.35 to 1.0 | |
| 0 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0.35 to 1.0 | |
| 0 |
| Magnesium (Mg), % | 0 | |
| 94.9 to 97.1 |
| Nitrogen (N), % | 0 to 0.040 | |
| 0 |
| Oxygen (O), % | 0 to 0.3 | |
| 0 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 |
| Sodium (Na), % | 0 to 0.2 | |
| 0 |
| Tin (Sn), % | 1.5 to 2.5 | |
| 0 |
| Titanium (Ti), % | 82.1 to 87.8 | |
| 0 |
| Vanadium (V), % | 5.0 to 6.0 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 2.5 to 4.0 |
| Zirconium (Zr), % | 0 | |
| 0.45 to 0.8 |
| Residuals, % | 0 to 0.4 | |
| 0 to 0.3 |