AZ91D Magnesium vs. AZ91D-T6 Magnesium
AZ91D-T6 magnesium is a variant of AZ91D magnesium. The properties of the parent material encompass the values of all of its variants.
For each property being compared, the top bar is AZ91D magnesium and the bottom bar is AZ91D-T6 magnesium.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 60 to 80 | |
| 80 |
| Compressive (Crushing) Strength, MPa | 310 to 430 | |
| 430 |
| Elastic (Young's, Tensile) Modulus, GPa | 46 | |
| 46 |
| Elongation at Break, % | 2.3 to 4.5 | |
| 2.3 |
| Fatigue Strength, MPa | 74 to 85 | |
| 74 |
| Impact Strength: V-Notched Charpy, J | 2.7 | |
| 2.7 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Rockwell F Hardness | 75 | |
| 75 |
| Shear Modulus, GPa | 18 | |
| 18 |
| Shear Strength, MPa | 120 to 140 | |
| 120 |
| Tensile Strength: Ultimate (UTS), MPa | 160 to 220 | |
| 210 |
| Tensile Strength: Yield (Proof), MPa | 80 to 130 | |
| 130 |
Thermal Properties
| Latent Heat of Fusion, J/g | 350 | |
| 350 |
| Maximum Temperature: Mechanical, °C | 130 | |
| 130 |
| Melting Completion (Liquidus), °C | 600 | |
| 600 |
| Melting Onset (Solidus), °C | 490 | |
| 490 |
| Specific Heat Capacity, J/kg-K | 990 | |
| 990 |
| Thermal Conductivity, W/m-K | 78 | |
| 78 |
| Thermal Expansion, µm/m-K | 27 | |
| 27 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 11 | |
| 11 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 58 | |
| 58 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 12 | |
| 12 |
| Density, g/cm3 | 1.7 | |
| 1.7 |
| Embodied Carbon, kg CO2/kg material | 22 | |
| 22 |
| Embodied Energy, MJ/kg | 160 | |
| 160 |
| Embodied Water, L/kg | 990 | |
| 990 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 4.2 to 7.7 | |
| 4.2 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 69 to 170 | |
| 170 |
| Stiffness to Weight: Axial, points | 15 | |
| 15 |
| Stiffness to Weight: Bending, points | 69 | |
| 69 |
| Strength to Weight: Axial, points | 26 to 34 | |
| 33 |
| Strength to Weight: Bending, points | 38 to 46 | |
| 45 |
| Thermal Diffusivity, mm2/s | 45 | |
| 45 |
| Thermal Shock Resistance, points | 9.5 to 13 | |
| 12 |
Alloy Composition
| Aluminum (Al), % | 8.3 to 9.7 | |
| 8.3 to 9.7 |
| Copper (Cu), % | 0 to 0.030 | |
| 0 to 0.030 |
| Iron (Fe), % | 0 to 0.0050 | |
| 0 to 0.0050 |
| Magnesium (Mg), % | 88.7 to 91.2 | |
| 88.7 to 91.2 |
| Manganese (Mn), % | 0.15 to 0.5 | |
| 0.15 to 0.5 |
| Nickel (Ni), % | 0 to 0.0020 | |
| 0 to 0.0020 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 to 0.1 |
| Zinc (Zn), % | 0.35 to 1.0 | |
| 0.35 to 1.0 |