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7049 Aluminum vs. 6351 Aluminum

Both 7049 aluminum and 6351 aluminum are aluminum alloys. They have 89% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is 7049 aluminum and the bottom bar is 6351 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
69
Elongation at Break, % 6.2 to 7.0
7.8 to 18
Fatigue Strength, MPa 160 to 170
79 to 130
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 27
26
Shear Strength, MPa 300 to 310
84 to 200
Tensile Strength: Ultimate (UTS), MPa 510 to 530
140 to 310
Tensile Strength: Yield (Proof), MPa 420 to 450
95 to 270

Thermal Properties

Latent Heat of Fusion, J/g 370
410
Maximum Temperature: Mechanical, °C 180
160
Melting Completion (Liquidus), °C 640
650
Melting Onset (Solidus), °C 480
570
Specific Heat Capacity, J/kg-K 860
900
Thermal Conductivity, W/m-K 130
180
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
46
Electrical Conductivity: Equal Weight (Specific), % IACS 110
150

Otherwise Unclassified Properties

Base Metal Price, % relative 10
9.5
Density, g/cm3 3.1
2.7
Embodied Carbon, kg CO2/kg material 8.1
8.3
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 1110
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31 to 34
20 to 38
Resilience: Unit (Modulus of Resilience), kJ/m3 1270 to 1440
65 to 540
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 45
50
Strength to Weight: Axial, points 46 to 47
14 to 32
Strength to Weight: Bending, points 46 to 47
22 to 38
Thermal Diffusivity, mm2/s 51
72
Thermal Shock Resistance, points 22 to 23
6.1 to 14

Alloy Composition

Aluminum (Al), % 85.7 to 89.5
96 to 98.5
Chromium (Cr), % 0.1 to 0.22
0
Copper (Cu), % 1.2 to 1.9
0 to 0.1
Iron (Fe), % 0 to 0.35
0 to 0.5
Magnesium (Mg), % 2.0 to 2.9
0.4 to 0.8
Manganese (Mn), % 0 to 0.2
0.4 to 0.8
Silicon (Si), % 0 to 0.25
0.7 to 1.3
Titanium (Ti), % 0 to 0.1
0 to 0.2
Zinc (Zn), % 7.2 to 8.2
0 to 0.2
Residuals, % 0
0 to 0.15