MakeItFrom.com
Menu (ESC)

7049 Aluminum vs. 7075 Aluminum

Both 7049 aluminum and 7075 aluminum are aluminum alloys. They have a very high 98% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is 7049 aluminum and the bottom bar is 7075 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
70
Elongation at Break, % 6.2 to 7.0
1.8 to 12
Fatigue Strength, MPa 160 to 170
110 to 190
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 27
26
Shear Strength, MPa 300 to 310
150 to 340
Tensile Strength: Ultimate (UTS), MPa 510 to 530
240 to 590
Tensile Strength: Yield (Proof), MPa 420 to 450
120 to 510

Thermal Properties

Latent Heat of Fusion, J/g 370
380
Maximum Temperature: Mechanical, °C 180
200
Melting Completion (Liquidus), °C 640
640
Melting Onset (Solidus), °C 480
480
Specific Heat Capacity, J/kg-K 860
870
Thermal Conductivity, W/m-K 130
130
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
33
Electrical Conductivity: Equal Weight (Specific), % IACS 110
98

Otherwise Unclassified Properties

Base Metal Price, % relative 10
10
Density, g/cm3 3.1
3.0
Embodied Carbon, kg CO2/kg material 8.1
8.3
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 1110
1120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31 to 34
7.8 to 44
Resilience: Unit (Modulus of Resilience), kJ/m3 1270 to 1440
110 to 1870
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 45
46
Strength to Weight: Axial, points 46 to 47
22 to 54
Strength to Weight: Bending, points 46 to 47
28 to 52
Thermal Diffusivity, mm2/s 51
50
Thermal Shock Resistance, points 22 to 23
10 to 25

Alloy Composition

Aluminum (Al), % 85.7 to 89.5
86.9 to 91.4
Chromium (Cr), % 0.1 to 0.22
0.18 to 0.28
Copper (Cu), % 1.2 to 1.9
1.2 to 2.0
Iron (Fe), % 0 to 0.35
0 to 0.5
Magnesium (Mg), % 2.0 to 2.9
2.1 to 2.9
Manganese (Mn), % 0 to 0.2
0 to 0.3
Silicon (Si), % 0 to 0.25
0 to 0.4
Titanium (Ti), % 0 to 0.1
0 to 0.2
Zinc (Zn), % 7.2 to 8.2
5.1 to 6.1
Zirconium (Zr), % 0
0 to 0.25
Residuals, % 0
0 to 0.15

Comparable Variants