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6262A-T6 Aluminum vs. 7020-T6 Aluminum

Both 6262A-T6 aluminum and 7020-T6 aluminum are aluminum alloys. Both are furnished in the T6 temper. They have a moderately high 95% 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 6262A-T6 aluminum and the bottom bar is 7020-T6 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
70
Elongation at Break, % 11
10
Fatigue Strength, MPa 110
130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 190
230
Tensile Strength: Ultimate (UTS), MPa 310
390
Tensile Strength: Yield (Proof), MPa 270
310

Thermal Properties

Latent Heat of Fusion, J/g 400
380
Maximum Temperature: Mechanical, °C 160
210
Melting Completion (Liquidus), °C 640
650
Melting Onset (Solidus), °C 580
610
Specific Heat Capacity, J/kg-K 890
880
Thermal Conductivity, W/m-K 170
150
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
39
Electrical Conductivity: Equal Weight (Specific), % IACS 140
120

Otherwise Unclassified Properties

Base Metal Price, % relative 11
9.5
Density, g/cm3 2.8
2.9
Embodied Carbon, kg CO2/kg material 8.4
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1190
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 34
37
Resilience: Unit (Modulus of Resilience), kJ/m3 540
690
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
47
Strength to Weight: Axial, points 31
37
Strength to Weight: Bending, points 36
41
Thermal Diffusivity, mm2/s 67
59
Thermal Shock Resistance, points 14
17

Alloy Composition

Aluminum (Al), % 94.2 to 97.8
91.2 to 94.8
Bismuth (Bi), % 0.4 to 0.9
0
Chromium (Cr), % 0.040 to 0.14
0.1 to 0.35
Copper (Cu), % 0.15 to 0.4
0 to 0.2
Iron (Fe), % 0 to 0.7
0 to 0.4
Magnesium (Mg), % 0.8 to 1.2
1.0 to 1.4
Manganese (Mn), % 0 to 0.15
0.050 to 0.5
Silicon (Si), % 0.4 to 0.8
0 to 0.35
Tin (Sn), % 0.4 to 1.0
0
Titanium (Ti), % 0 to 0.1
0 to 0.25
Zinc (Zn), % 0 to 0.25
4.0 to 5.0
Zirconium (Zr), % 0
0.080 to 0.25
Residuals, % 0
0 to 0.15