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ISO-WD32260 (MgZn6Zr) Magnesium

ISO-WD32260 magnesium is a magnesium alloy. It can have a very high tensile strength among magnesium alloys. In addition, it has a moderately high density and a fairly high electrical conductivity.

The properties of ISO-WD32260 magnesium include three common variations. This page shows summary ranges across all of them. For more specific values, follow the links immediately below. The graph bars on the material properties cards further below compare ISO-WD32260 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

46 GPa 6.6 x 106 psi

Elongation at Break

4.5 to 6.0 %

Fatigue Strength

150 to 190 MPa 21 to 28 x 103 psi

Poisson's Ratio

0.29

Shear Modulus

18 GPa 2.6 x 106 psi

Shear Strength

190 to 200 MPa 28 to 29 x 103 psi

Tensile Strength: Ultimate (UTS)

330 to 340 MPa 48 to 50 x 103 psi

Tensile Strength: Yield (Proof)

230 to 250 MPa 33 to 37 x 103 psi

Thermal Properties

Latent Heat of Fusion

330 J/g

Maximum Temperature: Mechanical

120 °C 240 °F

Melting Completion (Liquidus)

600 °C 1110 °F

Melting Onset (Solidus)

520 °C 980 °F

Specific Heat Capacity

970 J/kg-K 0.23 BTU/lb-°F

Thermal Conductivity

110 W/m-K 66 BTU/h-ft-°F

Thermal Expansion

27 µm/m-K

Electrical Properties

Electrical Conductivity: Equal Volume

28 % IACS

Electrical Conductivity: Equal Weight (Specific)

140 % IACS

Otherwise Unclassified Properties

Base Metal Price

13 % relative

Density

1.9 g/cm3 120 lb/ft3

Embodied Carbon

23 kg CO2/kg material

Embodied Energy

160 MJ/kg 70 x 103 BTU/lb

Embodied Water

940 L/kg 110 gal/lb

Common Calculations

Resilience: Ultimate (Unit Rupture Work)

14 to 19 MJ/m3

Resilience: Unit (Modulus of Resilience)

560 to 700 kJ/m3

Stiffness to Weight: Axial

13 points

Stiffness to Weight: Bending

63 points

Strength to Weight: Axial

48 to 51 points

Strength to Weight: Bending

56 to 58 points

Thermal Diffusivity

63 m2/s

Thermal Shock Resistance

19 to 20 points

Alloy Composition

Magnesium (Mg) 92.7 to 94.8
Zinc (Zn) 4.8 to 6.2
Zirconium (Zr) 0.45 to 0.8
Residuals 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