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AZ63A-F Magnesium

AZ63A-F magnesium is AZ63A magnesium in the as-fabricated (no temper or treatment) condition. It has the lowest strength compared to the other variants of AZ63A magnesium. The graph bars on the material properties cards below compare AZ63A-F 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 6.7 x 106 psi

Elongation at Break

4.2 %

Fatigue Strength

76 MPa 11 x 103 psi

Poisson's Ratio

0.29

Shear Modulus

18 GPa 2.6 x 106 psi

Shear Strength

110 MPa 16 x 103 psi

Tensile Strength: Ultimate (UTS)

190 MPa 28 x 103 psi

Tensile Strength: Yield (Proof)

81 MPa 12 x 103 psi

Thermal Properties

Latent Heat of Fusion

350 J/g

Maximum Temperature: Mechanical

120 °C 250 °F

Melting Completion (Liquidus)

610 °C 1130 °F

Melting Onset (Solidus)

450 °C 850 °F

Solidification (Pattern Maker's) Shrinkage

1.3 %

Specific Heat Capacity

980 J/kg-K 0.23 BTU/lb-°F

Thermal Conductivity

59 W/m-K 34 BTU/h-ft-°F

Thermal Expansion

26 µm/m-K

Electrical Properties

Electrical Conductivity: Equal Volume

15 % IACS

Electrical Conductivity: Equal Weight (Specific)

74 % IACS

Otherwise Unclassified Properties

Base Metal Price

12 % relative

Density

1.8 g/cm3 110 lb/ft3

Embodied Carbon

22 kg CO2/kg material

Embodied Energy

150 MJ/kg 66 x 103 BTU/lb

Embodied Water

970 L/kg 120 gal/lb

Common Calculations

Resilience: Ultimate (Unit Rupture Work)

6.5 MJ/m3

Resilience: Unit (Modulus of Resilience)

71 kJ/m3

Stiffness to Weight: Axial

14 points

Stiffness to Weight: Bending

66 points

Strength to Weight: Axial

29 points

Strength to Weight: Bending

40 points

Thermal Diffusivity

33 mm2/s

Thermal Shock Resistance

11 points

Alloy Composition

Magnesium (Mg)Mg 88.6 to 92.1
Aluminum (Al)Al 5.3 to 6.7
Zinc (Zn)Zn 2.5 to 3.5
Manganese (Mn)Mn 0.15 to 0.35
Silicon (Si)Si 0 to 0.3
Copper (Cu)Cu 0 to 0.25
Nickel (Ni)Ni 0 to 0.010
Residualsres. 0 to 0.3

All values are % weight. Ranges represent what is permitted under applicable standards.

Followup Questions

Further Reading

Welding and Joining of Magnesium Alloys, Liming Liu (editor), 2010

ASTM B80: Standard Specification for Magnesium-Alloy Sand Castings

Essential Readings in Magnesium Technology, Suveen N. Mathaudhu et al. (editors), 2014

Properties and Selection: Nonferrous Alloys and Special-Purpose Materials, ASM Handbook vol. 2, ASM International, 1993