705.0 (ZG32A, A07050) Cast Aluminum
Cast Aluminum Alloys
T5
Property Overview
Density2.8g/cm³
Elastic Modulus69GPa
Tensile Strength240MPa
Yield Strength130MPa
Brinell Hardness62HB
Maximum Service Temperature180°C
Chemical Composition
CR
0 to 0.4%
MN
0 to 0.6%
SI
0 to 0.2%
CU
0 to 0.2%
TI
0 to 0.25%
AL
92.3 to 98.6%
MG
1.4 to 1.8%
RES.
Residuals res. | | 0 to 0.15%
RESIDUALS RES.
0 to 0.15%
ZN
0 to 3.3%
FE
0 to 0.8%
Mechanical
Elastic (Young's, Tensile) Modulus
69 GPa
Elongation at Break
10 %
Fatigue Strength
63 MPa
Poisson's Ratio
0.33
Shear Modulus
26 GPa
Shear Strength
150 MPa
Tensile Strength: Ultimate (UTS)
240 MPa
Tensile Strength: Yield (Proof)
130 MPa
Hardness
Brinell Hardness
62
Physical
Density
2.8 g/cm 3
Thermal
Latent Heat of Fusion
390 J/g
Maximum Temperature: Mechanical
180 °C
Melting Completion (Liquidus)
640 °C
Melting Onset (Solidus)
610 °C
Solidification (Pattern Maker's) Shrinkage
1.6 %
Specific Heat Capacity
890 J/kg-K
Thermal Conductivity
140 W/m-K
Thermal Diffusivity
55 mm 2 /s
Thermal Expansion
24 µm/m-K
Thermal Shock Resistance
11 points
Electrical
Electrical Conductivity: Equal Volume
34 % IACS
Electrical Conductivity: Equal Weight (Specific)
110 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
20 MJ/m 3
Resilience: Unit (Modulus of Resilience)
120 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
49 points
Strength to Weight: Axial
24 points
Strength to Weight: Bending
31 points
Environmental
Base Metal Price
9.5 % relative
Embodied Carbon
8.4 kg CO 2 /kg material
Embodied Energy
150 MJ/kg
Embodied Energy
150 MJ/kg 66 x 10 3 BTU/lb
Embodied Water
1170 L/kg
Embodied Water
1170 L/kg 140 gal/lb
Registered Designations & Aliases
705.0 (ZG32A, A07050) Cast AluminumA07050ZG32A
Standards
ASTM B108 ASTM B108: Standard Specification for Aluminum-Alloy Permanent Mold Castings
ASTM B26 ASTM B26: Standard Specification for Aluminum-Alloy Sand Castings
ASTM B618 ASTM B618: Standard Specification for Aluminum-Alloy Investment Castings
ASTM B618 ASTM B618: Standard Specification for Aluminum-Alloy Investment Castings ASTM B108: Standard Specification for Aluminum-Alloy Permanent Mold Castings ASTM B26: Standard Specification for Aluminum-Alloy Sand Castings Aluminum: Properties and Physical Metallurgy, John E. Hatch (editor), 1984