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.
| Al | 90.5 to 93.1 | |
| Zn | 6.0 to 7.0 | |
| Mg | 0.6 to 0.8 | |
| Cu | 0.35 to 0.65 | |
| Fe | 0 to 0.5 | |
| Ti | 0 to 0.25 | |
| Si | 0 to 0.15 | |
| Mn | 0 to 0.050 | |
| res. | 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