2618A (2618A-T851, AlCu2Mg1.5Ni) Aluminum
Wrought Aluminum Alloys
Property Overview
Density3g/cm³
Elastic Modulus72GPa
Tensile Strength440MPa
Yield Strength410MPa
Brinell HardnessUnknown
Maximum Service Temperature230°C
Chemical Composition
NI
0.8 to 1.4%
MN
0 to 0.25%
SI
0.15 to 0.25%
CU
1.8 to 2.7%
TI
0 to 0.2%
AL
91.5 to 95.2%
MG
1.2 to 1.8%
RES.
Residuals res. | | 0 to 0.15%
RESIDUALS RES.
0 to 0.15%
ZN
0 to 0.15%
ZR
0 to 0.25%
FE
0.9 to 1.4%
Mechanical
Elastic (Young's, Tensile) Modulus
72 GPa
Elongation at Break
4.5 %
Fatigue Strength
120 MPa
Poisson's Ratio
0.33
Shear Modulus
27 GPa
Shear Strength
260 MPa
Tensile Strength: Ultimate (UTS)
440 MPa
Tensile Strength: Yield (Proof)
410 MPa
Physical
Density
3.0 g/cm 3
Thermal
Latent Heat of Fusion
390 J/g
Maximum Temperature: Mechanical
230 °C
Melting Completion (Liquidus)
670 °C
Melting Onset (Solidus)
560 °C
Specific Heat Capacity
880 J/kg-K
Thermal Conductivity
150 W/m-K
Thermal Diffusivity
59 mm 2 /s
Thermal Expansion
23 µm/m-K
Thermal Shock Resistance
19 points
Electrical
Electrical Conductivity: Equal Volume
37 % IACS
Electrical Conductivity: Equal Weight (Specific)
110 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
19 MJ/m 3
Resilience: Unit (Modulus of Resilience)
1180 kJ/m 3
Stiffness to Weight: Axial
13 points
Stiffness to Weight: Bending
47 points
Strength to Weight: Axial
41 points
Strength to Weight: Bending
44 points
Environmental
Base Metal Price
11 % 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
1150 L/kg
Embodied Water
1150 L/kg 140 gal/lb
Registered Designations & Aliases
2618A (2618A-T851, AlCu2Mg1.5Ni) Aluminum2618A-T851AlCu2Mg1.5Ni
Standards
EN 485-2 EN 485-2: Aluminium and aluminium alloys. Sheet, strip and plate. Mechanical properties
EN 573-3 EN 573-3: Aluminium and aluminium alloys. Chemical composition and form of wrought products. Chemical composition and form of products