4045 (BAlSi-5, AlSi10) Aluminum
Wrought Aluminum Alloys
Property Overview
Density2.6g/cm³
Elastic Modulus71GPa
Tensile Strength120MPa
Yield Strength64MPa
Brinell HardnessUnknown
Maximum Service Temperature160°C
Chemical Composition
MN
0 to 0.050%
SI
9.0 to 11%
CU
0 to 0.3%
TI
0 to 0.2%
AL
87.4 to 91%
MG
0 to 0.050%
RES.
Residuals res. | | 0 to 0.15%
RESIDUALS RES.
0 to 0.15%
ZN
0 to 0.1%
FE
0 to 0.8%
Mechanical
Elastic (Young's, Tensile) Modulus
71 GPa
Elongation at Break
2.3 %
Fatigue Strength
45 MPa
Poisson's Ratio
0.33
Shear Modulus
27 GPa
Shear Strength
69 MPa
Tensile Strength: Ultimate (UTS)
120 MPa
Tensile Strength: Yield (Proof)
64 MPa
Physical
Density
2.6 g/cm 3
Thermal
Brazing Temperature
590 to 600 °C
Latent Heat of Fusion
540 J/g
Maximum Temperature: Mechanical
160 °C
Melting Completion (Liquidus)
600 °C
Melting Onset (Solidus)
580 °C
Specific Heat Capacity
900 J/kg-K
Thermal Conductivity
170 W/m-K
Thermal Diffusivity
74 mm 2 /s
Thermal Expansion
21 µm/m-K
Thermal Shock Resistance
5.7 points
Electrical
Electrical Conductivity: Equal Volume
45 % IACS
Electrical Conductivity: Equal Weight (Specific)
160 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
2.4 MJ/m 3
Resilience: Unit (Modulus of Resilience)
29 kJ/m 3
Stiffness to Weight: Axial
15 points
Stiffness to Weight: Bending
54 points
Strength to Weight: Axial
13 points
Strength to Weight: Bending
21 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 63 x 10 3 BTU/lb
Embodied Water
1070 L/kg
Embodied Water
1070 L/kg 130 gal/lb
Registered Designations & Aliases
4045 (BAlSi-5, AlSi10) AluminumA94045AlSi10BAlSi-5EN AW-4045
Standards
EN 573-3 EN 573-3: Aluminium and aluminium alloys. Chemical composition and form of wrought products. Chemical composition and form of products