7204 Aluminum
Wrought Aluminum Alloys
annealed
Property Overview
Density2.9g/cm³
Elastic Modulus70GPa
Tensile Strength220MPa
Yield Strength120MPa
Brinell HardnessUnknown
Maximum Service Temperature210°C
Chemical Composition
CR
0 to 0.3%
MN
0.2 to 0.7%
SI
0 to 0.3%
CU
0 to 0.2%
TI
0 to 0.2%
V
0 to 0.1%
AL
90.5 to 94.8%
MG
1.0 to 2.0%
RES.
Residuals res. | | 0 to 0.15%
RESIDUALS RES.
0 to 0.15%
ZN
4.0 to 5.0%
ZR
0 to 0.25%
FE
0 to 0.35%
Mechanical
Elastic (Young's, Tensile) Modulus
70 GPa
Elongation at Break
13 %
Fatigue Strength
130 MPa
Poisson's Ratio
0.33
Shear Modulus
26 GPa
Shear Strength
130 MPa
Tensile Strength: Ultimate (UTS)
220 MPa
Tensile Strength: Yield (Proof)
120 MPa
Physical
Density
2.9 g/cm 3
Thermal
Latent Heat of Fusion
380 J/g
Maximum Temperature: Mechanical
210 °C
Melting Completion (Liquidus)
640 °C
Melting Onset (Solidus)
520 °C
Specific Heat Capacity
880 J/kg-K
Thermal Conductivity
150 W/m-K
Thermal Diffusivity
58 mm 2 /s
Thermal Expansion
24 µm/m-K
Thermal Shock Resistance
9.4 points
Electrical
Electrical Conductivity: Equal Volume
39 % IACS
Electrical Conductivity: Equal Weight (Specific)
120 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
25 MJ/m 3
Resilience: Unit (Modulus of Resilience)
110 kJ/m 3
Stiffness to Weight: Axial
13 points
Stiffness to Weight: Bending
47 points
Strength to Weight: Axial
21 points
Strength to Weight: Bending
28 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
1140 L/kg
Embodied Water
1140 L/kg 140 gal/lb
Registered Designations & Aliases
7204 AluminumA97204EN AW-7204
Standards
ISO 6361-2 ISO 6361-2: Wrought aluminium and aluminium alloys - Sheets, strips and plates - Part 2: Mechanical properties