AZ31B Magnesium vs. ZK60A Magnesium
Both AZ31B magnesium and ZK60A magnesium are magnesium alloys. They have a moderately high 95% of their average alloy composition in common.
For each property being compared, the top bar is AZ31B magnesium and the bottom bar is ZK60A magnesium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 45 | |
| 46 |
| Elongation at Break, % | 5.6 to 12 | |
| 4.5 to 9.9 |
| Fatigue Strength, MPa | 100 to 120 | |
| 150 to 180 |
| Poisson's Ratio | 0.29 | |
| 0.29 |
| Shear Modulus, GPa | 17 | |
| 18 |
| Shear Strength, MPa | 130 to 160 | |
| 170 to 190 |
| Tensile Strength: Ultimate (UTS), MPa | 240 to 270 | |
| 320 to 330 |
| Tensile Strength: Yield (Proof), MPa | 120 to 180 | |
| 230 to 250 |
Thermal Properties
| Latent Heat of Fusion, J/g | 350 | |
| 330 |
| Maximum Temperature: Mechanical, °C | 150 | |
| 120 |
| Melting Completion (Liquidus), °C | 600 | |
| 600 |
| Melting Onset (Solidus), °C | 600 | |
| 550 |
| Specific Heat Capacity, J/kg-K | 990 | |
| 960 |
| Thermal Conductivity, W/m-K | 100 | |
| 120 |
| Thermal Expansion, µm/m-K | 26 | |
| 26 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 18 | |
| 29 to 30 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 95 | |
| 140 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 12 | |
| 13 |
| Density, g/cm3 | 1.7 | |
| 1.9 |
| Embodied Carbon, kg CO2/kg material | 23 | |
| 23 |
| Embodied Energy, MJ/kg | 160 | |
| 160 |
| Embodied Water, L/kg | 970 | |
| 940 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 13 to 25 | |
| 14 to 29 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 170 to 370 | |
| 570 to 690 |
| Stiffness to Weight: Axial, points | 15 | |
| 13 |
| Stiffness to Weight: Bending, points | 70 | |
| 63 |
| Strength to Weight: Axial, points | 39 to 44 | |
| 47 to 49 |
| Strength to Weight: Bending, points | 50 to 55 | |
| 55 to 56 |
| Thermal Diffusivity, mm2/s | 62 | |
| 66 |
| Thermal Shock Resistance, points | 14 to 16 | |
| 19 to 20 |
Alloy Composition
| Aluminum (Al), % | 2.4 to 3.6 | |
| 0 |
| Calcium (Ca), % | 0 to 0.040 | |
| 0 |
| Copper (Cu), % | 0 to 0.050 | |
| 0 |
| Iron (Fe), % | 0 to 0.050 | |
| 0 |
| Magnesium (Mg), % | 93.6 to 97.1 | |
| 92.5 to 94.8 |
| Manganese (Mn), % | 0.050 to 1.0 | |
| 0 |
| Nickel (Ni), % | 0 to 0.0050 | |
| 0 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 |
| Zinc (Zn), % | 0.5 to 1.5 | |
| 4.8 to 6.2 |
| Zirconium (Zr), % | 0 | |
| 0.45 to 1.0 |
| Residuals, % | 0 | |
| 0 to 0.3 |