ISO-WD43150 (MgMn2) Magnesium
ISO-WD43150 magnesium is a magnesium alloy. Cited properties are appropriate for the as-fabricated (no temper or treatment) condition. It has a very high thermal conductivity among magnesium alloys. In addition, it has a very high electrical conductivity and a very high melting temperature.
The graph bars on the material properties cards below compare ISO-WD43150 magnesium to other magnesium alloys (top) and the entire database (bottom). A full bar means this is the highest value in the relevant set. A half-full bar means it's 50% of the highest, and so on.
Mechanical Properties
Elastic (Young's, Tensile) Modulus
45 GPa 6.6 x 106 psi
Elongation at Break
2.8 %
Fatigue Strength
100 MPa 14 x 103 psi
Poisson's Ratio
0.29
Shear Modulus
18 GPa 2.6 x 106 psi
Shear Strength
140 MPa 20 x 103 psi
Tensile Strength: Ultimate (UTS)
250 MPa 36 x 103 psi
Tensile Strength: Yield (Proof)
150 MPa 22 x 103 psi
Thermal Properties
Latent Heat of Fusion
350 J/g
Maximum Temperature: Mechanical
95 °C 200 °F
Melting Completion (Liquidus)
610 °C 1130 °F
Melting Onset (Solidus)
590 °C 1090 °F
Specific Heat Capacity
990 J/kg-K 0.24 BTU/lb-°F
Thermal Conductivity
140 W/m-K 78 BTU/h-ft-°F
Thermal Expansion
27 µm/m-K
Electrical Properties
Electrical Conductivity: Equal Volume
31 % IACS
Electrical Conductivity: Equal Weight (Specific)
170 % IACS
Otherwise Unclassified Properties
Base Metal Price
12 % relative
Density
1.7 g/cm3 100 lb/ft3
Embodied Carbon
24 kg CO2/kg material
Embodied Energy
160 MJ/kg 67 x 103 BTU/lb
Embodied Water
970 L/kg 120 gal/lb
Common Calculations
Resilience: Ultimate (Unit Rupture Work)
6.1 MJ/m3
Resilience: Unit (Modulus of Resilience)
250 kJ/m3
Stiffness to Weight: Axial
15 points
Stiffness to Weight: Bending
71 points
Strength to Weight: Axial
41 points
Strength to Weight: Bending
52 points
Thermal Diffusivity
81 mm2/s
Thermal Shock Resistance
14 points
Alloy Composition
| Mg | 97.5 to 98.8 | |
| Mn | 1.2 to 2.0 | |
| Si | 0 to 0.1 | |
| Cu | 0 to 0.050 | |
| Ni | 0 to 0.010 | |
| res. | 0 to 0.3 |
All values are % weight. Ranges represent what is permitted under applicable standards.
Followup Questions
Similar Alloys
Further Reading
ISO 3116: Magnesium and magnesium alloys - Wrought magnesium alloys
Essential Readings in Magnesium Technology, Suveen N. Mathaudhu et al. (editors), 2014