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711.0 (711.0-T1, ZC60A, A07110, formerly C712.0) Cast Aluminum

711.0 aluminum is an aluminum alloy formulated for casting. Cited properties are appropriate for the T1 temper. To achieve this temper, the metal is naturally aged until it meets standard mechanical property requirements. 711.0 is the Aluminum Association (AA) designation for this material. A07110 is the UNS number. Additionally, the SAE designation is 314. Older literature may refer to this material as ASTM ZC60A or C721.0.

The graph bars on the material properties cards below compare 711.0 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

70

Elastic (Young's, Tensile) Modulus

71 GPa 10 x 106 psi

Elongation at Break

7.8 %

Fatigue Strength

100 MPa 15 x 103 psi

Poisson's Ratio

0.32

Shear Modulus

27 GPa 3.9 x 106 psi

Tensile Strength: Ultimate (UTS)

220 MPa 31 x 103 psi

Tensile Strength: Yield (Proof)

140 MPa 21 x 103 psi

Thermal Properties

Latent Heat of Fusion

380 J/g

Maximum Temperature: Mechanical

170 °C 340 °F

Melting Completion (Liquidus)

640 °C 1190 °F

Melting Onset (Solidus)

610 °C 1130 °F

Specific Heat Capacity

860 J/kg-K 0.21 BTU/lb-°F

Thermal Conductivity

160 W/m-K 92 BTU/h-ft-°F

Thermal Expansion

24 µm/m-K

Electrical Properties

Electrical Conductivity: Equal Volume

40 % IACS

Electrical Conductivity: Equal Weight (Specific)

120 % IACS

Otherwise Unclassified Properties

Base Metal Price

9.5 % relative

Density

3.0 g/cm3 190 lb/ft3

Embodied Carbon

7.9 kg CO2/kg material

Embodied Energy

150 MJ/kg 63 x 103 BTU/lb

Embodied Water

1120 L/kg 130 gal/lb

Common Calculations

Resilience: Ultimate (Unit Rupture Work)

15 MJ/m3

Resilience: Unit (Modulus of Resilience)

140 kJ/m3

Stiffness to Weight: Axial

13 points

Stiffness to Weight: Bending

45 points

Strength to Weight: Axial

20 points

Strength to Weight: Bending

26 points

Thermal Diffusivity

61 mm2/s

Thermal Shock Resistance

9.3 points

Alloy Composition

Among cast aluminum alloys, the composition of 711.0 aluminum is notable for containing comparatively high amounts of iron (Fe) and zinc (Zn). Most of the time, iron is an impurity in aluminum alloys. However, it may be added in quantity to improve strength (particularly at high temperatures) without much impact on electrical properties. Zinc is used to achieve significant increases in strength, at the cost of increased susceptibility to stress corrosion cracking. Among other things, this limits weldability.

Aluminum (Al) 89.8 to 92.7
Zinc (Zn) 6.0 to 7.0
Iron (Fe) 0.7 to 1.4
Copper (Cu) 0.35 to 0.65
Magnesium (Mg) 0.25 to 0.45
Silicon (Si) 0 to 0.3
Titanium (Ti) 0 to 0.2
Manganese (Mn) 0 to 0.050
Residuals 0 to 0.15

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

Followup Questions

Similar Alloys

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