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AM60A (AM60A-F, M10600) Magnesium

AM60A magnesium is a magnesium alloy. Cited properties are appropriate for the as-fabricated (no temper or treatment) condition. AM60A is the ASTM designation for this material. M10600 is the UNS number.

It has a fairly low thermal conductivity among magnesium alloys. In addition, it has a fairly high ductility and a moderately low tensile strength.

The graph bars on the material properties cards below compare AM60A 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

Brinell Hardness

62

Elastic (Young's, Tensile) Modulus

45 GPa 6.6 x 106 psi

Elongation at Break

8.8 %

Fatigue Strength

70 MPa 10 x 103 psi

Poisson's Ratio

0.29

Shear Modulus

18 GPa 2.5 x 106 psi

Shear Strength

130 MPa 19 x 103 psi

Tensile Strength: Ultimate (UTS)

230 MPa 33 x 103 psi

Tensile Strength: Yield (Proof)

130 MPa 19 x 103 psi

Thermal Properties

Latent Heat of Fusion

350 J/g

Maximum Temperature: Mechanical

120 °C 250 °F

Melting Completion (Liquidus)

620 °C 1140 °F

Melting Onset (Solidus)

550 °C 1030 °F

Specific Heat Capacity

1000 J/kg-K 0.24 BTU/lb-°F

Thermal Conductivity

62 W/m-K 36 BTU/h-ft-°F

Thermal Expansion

26 µm/m-K

Electrical Properties

Electrical Conductivity: Equal Volume

13 % IACS

Electrical Conductivity: Equal Weight (Specific)

69 % IACS

Otherwise Unclassified Properties

Base Metal Price

12 % relative

Density

1.7 g/cm3 110 lb/ft3

Embodied Carbon

23 kg CO2/kg material

Embodied Energy

160 MJ/kg 68 x 103 BTU/lb

Embodied Water

990 L/kg 120 gal/lb

Common Calculations

Resilience: Ultimate (Unit Rupture Work)

17 MJ/m3

Resilience: Unit (Modulus of Resilience)

190 kJ/m3

Stiffness to Weight: Axial

15 points

Stiffness to Weight: Bending

71 points

Strength to Weight: Axial

37 points

Strength to Weight: Bending

49 points

Thermal Diffusivity

37 m2/s

Thermal Shock Resistance

14 points

Alloy Composition

Magnesium (Mg) 91.8 to 94.4
Aluminum (Al) 5.5 to 6.5
Manganese (Mn) 0.13 to 0.6
Silicon (Si) 0 to 0.5
Copper (Cu) 0 to 0.35
Zinc (Zn) 0 to 0.22
Nickel (Ni) 0 to 0.030

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

Followup Questions

Similar Alloys

Further Reading

ASTM B94: Standard Specification for Magnesium-Alloy Die Castings

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

Environmental Degradation of Advanced and Traditional Engineering Materials, Lloyd H. Hihara et al., 2014.

Advanced Materials in Automotive Engineering, Jason Rowe (editor), 2012

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