B535.0 (B535.0-F, A25350) Cast Aluminum
B535.0 aluminum is an aluminum alloy formulated for casting. Cited properties are appropriate for the as-fabricated (no temper or treatment) condition. B535.0 is the Aluminum Association (AA) designation for this material. A25350 is the UNS number.
The graph bars on the material properties cards below compare B535.0 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
65
Elastic (Young's, Tensile) Modulus
66 GPa 9.6 x 106 psi
Elongation at Break
10 %
Fatigue Strength
62 MPa 9.0 x 103 psi
Poisson's Ratio
0.33
Shear Modulus
25 GPa 3.6 x 106 psi
Shear Strength
210 MPa 30 x 103 psi
Tensile Strength: Ultimate (UTS)
260 MPa 38 x 103 psi
Tensile Strength: Yield (Proof)
130 MPa 19 x 103 psi
Thermal Properties
Latent Heat of Fusion
390 J/g
Maximum Temperature: Mechanical
170 °C 340 °F
Melting Completion (Liquidus)
630 °C 1170 °F
Melting Onset (Solidus)
550 °C 1020 °F
Specific Heat Capacity
910 J/kg-K 0.22 BTU/lb-°F
Thermal Conductivity
96 W/m-K 56 BTU/h-ft-°F
Thermal Expansion
25 µm/m-K
Electrical Properties
Electrical Conductivity: Equal Volume
24 % IACS
Electrical Conductivity: Equal Weight (Specific)
82 % IACS
Otherwise Unclassified Properties
Base Metal Price
9.5 % relative
Density
2.6 g/cm3 160 lb/ft3
Embodied Carbon
9.4 kg CO2/kg material
Embodied Energy
160 MJ/kg 67 x 103 BTU/lb
Embodied Water
1180 L/kg 140 gal/lb
Common Calculations
Resilience: Ultimate (Unit Rupture Work)
22 MJ/m3
Resilience: Unit (Modulus of Resilience)
130 kJ/m3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
51 points
Strength to Weight: Axial
28 points
Strength to Weight: Bending
35 points
Thermal Diffusivity
40 mm2/s
Thermal Shock Resistance
11 points
Alloy Composition
Among cast aluminum alloys, the composition of B535.0 aluminum is notable for containing a comparatively high amount of magnesium (Mg). Magnesium promotes hardenability through both heat treatment and strain hardening mechanisms. It also increases susceptibility to intergranular corrosion.
| Al | 91.7 to 93.4 | |
| Mg | 6.5 to 7.5 | |
| Ti | 0.1 to 0.25 | |
| Si | 0 to 0.15 | |
| Fe | 0 to 0.15 | |
| Cu | 0 to 0.1 | |
| 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
ASM Specialty Handbook: Aluminum and Aluminum Alloys, J. R. Davis (editor), 1993
CRC Materials Science and Engineering Handbook, 4th ed., James F. Shackelford et al. (editors), 2015