EN AC-46400 (AISi9Cu1Mg) Cast Aluminum
Cast Aluminum Alloys
T6
Property Overview
Density2.7g/cm³
Elastic Modulus72GPa
Tensile Strength310MPa
Yield Strength270MPa
Brinell Hardness120HB
Maximum Service Temperature170°C
Chemical Composition
NI
0 to 0.2%
MN
0.15 to 0.55%
SI
8.3 to 9.7%
CU
0.8 to 1.3%
TI
0 to 0.2%
AL
85.4 to 90.5%
MG
0.25 to 0.65%
PB
0 to 0.1%
RES.
Residuals res. | | 0 to 0.25%
RESIDUALS RES.
0 to 0.25%
SN
0 to 0.1%
ZN
0 to 0.8%
FE
0 to 0.8%
Mechanical
Elastic (Young's, Tensile) Modulus
72 GPa
Elongation at Break
1.7 %
Fatigue Strength
85 MPa
Poisson's Ratio
0.33
Shear Modulus
27 GPa
Tensile Strength: Ultimate (UTS)
310 MPa
Tensile Strength: Yield (Proof)
270 MPa
Hardness
Brinell Hardness
120
Physical
Density
2.7 g/cm 3
Thermal
Latent Heat of Fusion
520 J/g
Maximum Temperature: Mechanical
170 °C
Melting Completion (Liquidus)
610 °C
Melting Onset (Solidus)
570 °C
Specific Heat Capacity
890 J/kg-K
Thermal Conductivity
130 W/m-K
Thermal Diffusivity
55 mm 2 /s
Thermal Expansion
22 µm/m-K
Thermal Shock Resistance
14 points
Electrical
Electrical Conductivity: Equal Volume
33 % IACS
Electrical Conductivity: Equal Weight (Specific)
110 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
4.9 MJ/m 3
Resilience: Unit (Modulus of Resilience)
500 kJ/m 3
Stiffness to Weight: Axial
15 points
Stiffness to Weight: Bending
52 points
Strength to Weight: Axial
32 points
Strength to Weight: Bending
38 points
Environmental
Base Metal Price
9.5 % relative
Embodied Carbon
7.8 kg CO 2 /kg material
Embodied Energy
150 MJ/kg
Embodied Energy
150 MJ/kg 62 x 10 3 BTU/lb
Embodied Water
1070 L/kg
Embodied Water
1070 L/kg 130 gal/lb
Registered Designations & Aliases
AISi9Cu1MgEN AC-46400EN AC-46400 (AISi9Cu1Mg) Cast Aluminum
Standards
EN 1706 EN 1706: Aluminium and aluminium alloys. Castings. Chemical composition and mechanical properties