ASTM B817 Type II vs. ISO-WD32350 Magnesium
ASTM B817 type II belongs to the titanium alloys classification, while ISO-WD32350 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-WD32350 magnesium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 45 |
| Elongation at Break, % | 3.0 to 13 | |
| 5.7 to 10 |
| Fatigue Strength, MPa | 390 to 530 | |
| 120 to 130 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Shear Modulus, GPa | 40 | |
| 18 |
| Tensile Strength: Ultimate (UTS), MPa | 900 to 960 | |
| 250 to 290 |
| Tensile Strength: Yield (Proof), MPa | 780 to 900 | |
| 140 to 180 |
Thermal Properties
| Latent Heat of Fusion, J/g | 400 | |
| 340 |
| Maximum Temperature: Mechanical, °C | 350 | |
| 95 |
| Melting Completion (Liquidus), °C | 1580 | |
| 600 |
| Melting Onset (Solidus), °C | 1530 | |
| 560 |
| Specific Heat Capacity, J/kg-K | 550 | |
| 990 |
| Thermal Expansion, µm/m-K | 9.9 | |
| 25 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 37 | |
| 12 |
| Density, g/cm3 | 4.6 | |
| 1.7 |
| Embodied Carbon, kg CO2/kg material | 40 | |
| 23 |
| Embodied Energy, MJ/kg | 650 | |
| 160 |
| Embodied Water, L/kg | 220 | |
| 960 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 26 to 120 | |
| 14 to 23 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 2890 to 3890 | |
| 210 to 380 |
| Stiffness to Weight: Axial, points | 13 | |
| 15 |
| Stiffness to Weight: Bending, points | 34 | |
| 68 |
| Strength to Weight: Axial, points | 55 to 58 | |
| 39 to 46 |
| Strength to Weight: Bending, points | 45 to 47 | |
| 50 to 55 |
| Thermal Shock Resistance, points | 62 to 66 | |
| 16 to 18 |
Alloy Composition
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| Aluminum (Al), % | 5.0 to 6.0 | |
| 0 to 0.1 |
| Carbon (C), % | 0 to 0.1 | |
| 0 |
| Chlorine (Cl), % | 0 to 0.2 | |
| 0 |
| Copper (Cu), % | 0.35 to 1.0 | |
| 0 to 0.1 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0.35 to 1.0 | |
| 0 to 0.060 |
| Magnesium (Mg), % | 0 | |
| 95.7 to 97.7 |
| Manganese (Mn), % | 0 | |
| 0.6 to 1.3 |
| Nickel (Ni), % | 0 | |
| 0 to 0.0050 |
| Nitrogen (N), % | 0 to 0.040 | |
| 0 |
| Oxygen (O), % | 0 to 0.3 | |
| 0 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 to 0.1 |
| 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 | |
| 1.8 to 2.3 |
| Residuals, % | 0 to 0.4 | |
| 0 to 0.3 |