7049 Aluminum
Wrought Aluminum Alloys
T73
Property Overview
Density3.1g/cm³
Elastic Modulus70GPa
Tensile Strength530MPa
Yield Strength450MPa
Brinell Hardness140HB
Maximum Service Temperature180°C
Chemical Composition
CR
0.1 to 0.22%
MN
0 to 0.2%
SI
0 to 0.25%
CU
1.2 to 1.9%
TI
0 to 0.1%
AL
85.7 to 89.5%
MG
2.0 to 2.9%
RES.
Residuals res. | | 0 to 0.15%
RESIDUALS RES.
0 to 0.15%
ZN
7.2 to 8.2%
FE
0 to 0.35%
Mechanical
Elastic (Young's, Tensile) Modulus
70 GPa
Elongation at Break
6.2 %
Fatigue Strength
170 MPa
Poisson's Ratio
0.32
Shear Modulus
27 GPa
Shear Strength
310 MPa
Tensile Strength: Ultimate (UTS)
530 MPa
Tensile Strength: Yield (Proof)
450 MPa
Hardness
Brinell Hardness
140
Physical
Density
3.1 g/cm 3
Thermal
Latent Heat of Fusion
370 J/g
Maximum Temperature: Mechanical
180 °C
Melting Completion (Liquidus)
640 °C
Melting Onset (Solidus)
480 °C
Specific Heat Capacity
860 J/kg-K
Thermal Conductivity
130 W/m-K
Thermal Diffusivity
51 mm 2 /s
Thermal Expansion
23 µm/m-K
Thermal Shock Resistance
23 points
Electrical
Electrical Conductivity: Equal Volume
36 % IACS
Electrical Conductivity: Equal Weight (Specific)
110 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
31 MJ/m 3
Resilience: Unit (Modulus of Resilience)
1440 kJ/m 3
Stiffness to Weight: Axial
13 points
Stiffness to Weight: Bending
45 points
Strength to Weight: Axial
47 points
Strength to Weight: Bending
47 points
Environmental
Base Metal Price
10 % relative
Embodied Carbon
8.1 kg CO 2 /kg material
Embodied Energy
140 MJ/kg
Embodied Energy
140 MJ/kg 62 x 10 3 BTU/lb
Embodied Water
1110 L/kg
Embodied Water
1110 L/kg 130 gal/lb
Registered Designations & Aliases
7049 AluminumA97049EN AW-7049
Standards
ASTM B247 ASTM B247: Standard Specification for Aluminum and Aluminum-Alloy Die Forgings, Hand Forgings, and Rolled Ring Forgings
ASTM B247 ASTM B247: Standard Specification for Aluminum and Aluminum-Alloy Die Forgings, Hand Forgings, and Rolled Ring Forgings Aluminum Standards and Data, Aluminum Association Inc., 2013 Properties and Selection: Nonferrous Alloys and Special-Purpose Materials, ASM Handbook vol. 2, ASM International, 1993