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710.0 (ZG61B, A07100, formerly A712.0) Cast Aluminum

710.0 aluminum is an aluminum alloy formulated for casting. 710.0 is the Aluminum Association (AA) designation for this material. A07100 is the UNS number. Additionally, the SAE designation is 313. Older literature may refer to this material as ASTM ZG61B or A712.0.

The properties of 710.0 aluminum include three 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 710.0 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

75

Elastic (Young's, Tensile) Modulus

70 GPa 10 x 106 psi

Elongation at Break

2.2 to 3.6 %

Fatigue Strength

55 to 110 MPa 8.0 to 15 x 103 psi

Poisson's Ratio

0.32

Shear Modulus

26 GPa 3.8 x 106 psi

Shear Strength

180 MPa 26 x 103 psi

Tensile Strength: Ultimate (UTS)

240 to 250 MPa 35 to 36 x 103 psi

Tensile Strength: Yield (Proof)

160 MPa 23 to 24 x 103 psi

Thermal Properties

Latent Heat of Fusion

380 J/g

Maximum Temperature: Mechanical

170 °C 340 °F

Melting Completion (Liquidus)

650 °C 1200 °F

Melting Onset (Solidus)

610 °C 1120 °F

Solidification (Pattern Maker's) Shrinkage

1.6 %

Specific Heat Capacity

870 J/kg-K 0.21 BTU/lb-°F

Thermal Conductivity

140 W/m-K 79 BTU/h-ft-°F

Thermal Expansion

24 µm/m-K

Electrical Properties

Electrical Conductivity: Equal Volume

35 % IACS

Electrical Conductivity: Equal Weight (Specific)

110 % IACS

Otherwise Unclassified Properties

Base Metal Price

9.5 % relative

Density

3.0 g/cm3 190 lb/ft3

Embodied Carbon

8.0 kg CO2/kg material

Embodied Energy

150 MJ/kg 64 x 103 BTU/lb

Embodied Water

1130 L/kg 140 gal/lb

Common Calculations

Resilience: Ultimate (Unit Rupture Work)

4.9 to 7.9 MJ/m3

Resilience: Unit (Modulus of Resilience)

180 to 190 kJ/m3

Stiffness to Weight: Axial

13 points

Stiffness to Weight: Bending

46 points

Strength to Weight: Axial

23 points

Strength to Weight: Bending

29 points

Thermal Diffusivity

53 mm2/s

Thermal Shock Resistance

10 to 11 points

Alloy Composition

Among cast aluminum alloys, the composition of 710.0 aluminum is notable for containing a comparatively high amount of zinc (Zn). 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) 90.5 to 93.1
Zinc (Zn) 6.0 to 7.0
Magnesium (Mg) 0.6 to 0.8
Copper (Cu) 0.35 to 0.65
Iron (Fe) 0 to 0.5
Titanium (Ti) 0 to 0.25
Silicon (Si) 0 to 0.15
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 B618: Standard Specification for Aluminum-Alloy Investment Castings

ASTM B26: Standard Specification for Aluminum-Alloy Sand Castings

Handbook of Aluminum Bonding Technology and Data, J. D. Minford, 1993

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