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336.0-T65 Cast Aluminum

336.0-T65 aluminum is 336.0 aluminum in the T65 temper. To achieve this temper, the metal is solution heat-treated and artificially underaged. The degree of underaging is different from T61 and T64. The graph bars on the material properties cards below compare 336.0-T65 aluminum to: ANSI/AA cast 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

Brinell Hardness

130

Elastic (Young's, Tensile) Modulus

75 GPa 11 x 106 psi

Elongation at Break

0.5 %

Fatigue Strength

93 MPa 14 x 103 psi

Poisson's Ratio

0.33

Shear Modulus

28 GPa 4.1 x 106 psi

Shear Strength

250 MPa 36 x 103 psi

Tensile Strength: Ultimate (UTS)

320 MPa 46 x 103 psi

Tensile Strength: Yield (Proof)

300 MPa 43 x 103 psi

Thermal Properties

Latent Heat of Fusion

570 J/g

Maximum Temperature: Mechanical

210 °C 410 °F

Melting Completion (Liquidus)

570 °C 1060 °F

Melting Onset (Solidus)

540 °C 1010 °F

Specific Heat Capacity

890 J/kg-K 0.21 BTU/lb-°F

Thermal Conductivity

120 W/m-K 68 BTU/h-ft-°F

Thermal Expansion

19 µm/m-K

Electrical Properties

Electrical Conductivity: Equal Volume

29 % IACS

Electrical Conductivity: Equal Weight (Specific)

95 % IACS

Otherwise Unclassified Properties

Base Metal Price

11 % relative

Density

2.8 g/cm3 170 lb/ft3

Embodied Carbon

7.9 kg CO2/kg material

Embodied Energy

140 MJ/kg 61 x 103 BTU/lb

Embodied Water

1010 L/kg 120 gal/lb

Common Calculations

Resilience: Ultimate (Unit Rupture Work)

1.6 MJ/m3

Resilience: Unit (Modulus of Resilience)

580 kJ/m3

Stiffness to Weight: Axial

15 points

Stiffness to Weight: Bending

51 points

Strength to Weight: Axial

32 points

Strength to Weight: Bending

38 points

Thermal Diffusivity

48 mm2/s

Thermal Shock Resistance

16 points

Alloy Composition

Aluminum (Al) 79.1 to 85.8
Silicon (Si) 11 to 13
Nickel (Ni) 2.0 to 3.0
Copper (Cu) 0.5 to 1.5
Magnesium (Mg) 0.7 to 1.3
Iron (Fe) 0 to 1.2
Manganese (Mn) 0 to 0.35
Zinc (Zn) 0 to 0.35
Titanium (Ti) 0 to 0.25

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

Followup Questions

Further Reading

ASTM B108: Standard Specification for Aluminum-Alloy Permanent Mold Castings

Iron in Aluminium Alloys: Impurity and Alloying Element, N. A. Belov et al., 2002

ASM Specialty Handbook: Aluminum and Aluminum Alloys, J. R. Davis (editor), 1993