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Sintered 6061 (Axx-6061) Aluminum

Sintered 6061 aluminum is an otherwise-unclassified alloy of aluminum. It can have the lowest tensile strength among the otherwise unclassified aluminums in the database.

The properties of sintered 6061 aluminum include six 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 sintered 6061 aluminum to: otherwise unclassified aluminums (top), all aluminum alloys (middle), 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

68 GPa 9.8 x 106 psi

Elongation at Break

0.5 to 6.0 %

Fatigue Strength

32 to 62 MPa 4.6 to 9.0 x 103 psi

Poisson's Ratio

0.33

Shear Modulus

25 GPa 3.7 x 106 psi

Tensile Strength: Ultimate (UTS)

83 to 210 MPa 12 to 30 x 103 psi

Tensile Strength: Yield (Proof)

62 to 190 MPa 9.0 to 28 x 103 psi

Thermal Properties

Latent Heat of Fusion

400 J/g

Maximum Temperature: Mechanical

170 °C 340 °F

Melting Completion (Liquidus)

640 °C 1180 °F

Melting Onset (Solidus)

610 °C 1130 °F

Specific Heat Capacity

900 J/kg-K 0.21 BTU/lb-°F

Thermal Conductivity

200 W/m-K 110 BTU/h-ft-°F

Thermal Expansion

23 µm/m-K

Electrical Properties

Electrical Conductivity: Equal Volume

52 % IACS

Electrical Conductivity: Equal Weight (Specific)

170 % IACS

Otherwise Unclassified Properties

Base Metal Price

9.5 % relative

Density

2.7 g/cm3 170 lb/ft3

Embodied Carbon

8.3 kg CO2/kg material

Embodied Energy

150 MJ/kg 66 x 103 BTU/lb

Embodied Water

1180 L/kg 140 gal/lb

Common Calculations

Resilience: Ultimate (Unit Rupture Work)

0.68 to 7.0 MJ/m3

Resilience: Unit (Modulus of Resilience)

28 to 280 kJ/m3

Stiffness to Weight: Axial

14 points

Stiffness to Weight: Bending

51 points

Strength to Weight: Axial

8.6 to 21 points

Strength to Weight: Bending

16 to 29 points

Thermal Diffusivity

81 mm2/s

Thermal Shock Resistance

3.8 to 9.4 points

Alloy Composition

Aluminum (Al) 96 to 99.4
Magnesium (Mg) 0.4 to 1.2
Silicon (Si) 0.2 to 0.8
Copper (Cu) 0 to 0.5
Residuals 0 to 1.5

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

Followup Questions

Similar Alloys

Further Reading

ASTM B595: Standard Specification for Sintered Aluminum Structural Parts

Sintering of Advanced Materials: Fundamentals and Processes, Zhigang Zak Fang (editor), 2010

Aluminum: Properties and Physical Metallurgy, John E. Hatch (editor), 1984

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

CRC Materials Science and Engineering Handbook, 4th ed., James F. Shackelford et al. (editors), 2015