328.0 (SC82A, A03280) Cast Aluminum
Cast Aluminum Alloys
T6
Property Overview
Density2.7g/cm³
Elastic Modulus72GPa
Tensile Strength270MPa
Yield Strength170MPa
Brinell Hardness82HB
Maximum Service Temperature180°C
Chemical Composition
CR
0 to 0.35%
NI
0 to 0.25%
MN
0.2 to 0.6%
SI
7.5 to 8.5%
CU
1.0 to 2.0%
TI
0 to 0.25%
AL
84.5 to 91.1%
MG
0.2 to 0.6%
RES.
Residuals res. | | 0 to 0.5%
RESIDUALS RES.
0 to 0.5%
ZN
0 to 1.5%
FE
0 to 1.0%
Mechanical
Elastic (Young's, Tensile) Modulus
72 GPa
Elongation at Break
2.1 %
Fatigue Strength
55 MPa
Poisson's Ratio
0.33
Shear Modulus
27 GPa
Shear Strength
190 MPa
Tensile Strength: Ultimate (UTS)
270 MPa
Tensile Strength: Yield (Proof)
170 MPa
Hardness
Brinell Hardness
82
Physical
Density
2.7 g/cm 3
Thermal
Latent Heat of Fusion
510 J/g
Maximum Temperature: Mechanical
180 °C
Melting Completion (Liquidus)
620 °C
Melting Onset (Solidus)
560 °C
Solidification (Pattern Maker's) Shrinkage
1.3 %
Specific Heat Capacity
890 J/kg-K
Thermal Conductivity
120 W/m-K
Thermal Diffusivity
50 mm 2 /s
Thermal Expansion
22 µm/m-K
Thermal Shock Resistance
12 points
Electrical
Electrical Conductivity: Equal Volume
30 % IACS
Electrical Conductivity: Equal Weight (Specific)
99 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
5.0 MJ/m 3
Resilience: Unit (Modulus of Resilience)
200 kJ/m 3
Stiffness to Weight: Axial
15 points
Stiffness to Weight: Bending
51 points
Strength to Weight: Axial
28 points
Strength to Weight: Bending
34 points
Environmental
Base Metal Price
10 % relative
Embodied Carbon
7.8 kg CO 2 /kg material
Embodied Energy
140 MJ/kg
Embodied Energy
140 MJ/kg 62 x 10 3 BTU/lb
Embodied Water
1070 L/kg
Embodied Water
1070 L/kg 130 gal/lb
Registered Designations & Aliases
328.0 (SC82A, A03280) Cast AluminumA03280SC82A
Standards
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 B26: Standard Specification for Aluminum-Alloy Sand Castings Iron in Aluminium Alloys: Impurity and Alloying Element, N. A. Belov et al., 2002 Handbook of Aluminum Bonding Technology and Data, J. D. Minford, 1993