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6070 Aluminum vs. 6063A Aluminum

Both 6070 aluminum and 6063A aluminum are aluminum alloys. They have a very high 98% of their average alloy composition in common.

For each property being compared, the top bar is 6070 aluminum and the bottom bar is 6063A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
68
Elongation at Break, % 5.6 to 8.6
6.7 to 18
Fatigue Strength, MPa 95 to 130
53 to 80
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 220 to 240
78 to 150
Tensile Strength: Ultimate (UTS), MPa 370 to 380
130 to 260
Tensile Strength: Yield (Proof), MPa 350
55 to 200

Thermal Properties

Latent Heat of Fusion, J/g 410
400
Maximum Temperature: Mechanical, °C 160
160
Melting Completion (Liquidus), °C 650
640
Melting Onset (Solidus), °C 570
620
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 160
200
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
49 to 54
Electrical Conductivity: Equal Weight (Specific), % IACS 140
160 to 180

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.7
2.7
Embodied Carbon, kg CO2/kg material 8.3
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1170
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20 to 32
13 to 21
Resilience: Unit (Modulus of Resilience), kJ/m3 880 to 900
22 to 280
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
50
Strength to Weight: Axial, points 38
13 to 26
Strength to Weight: Bending, points 42 to 43
21 to 33
Thermal Diffusivity, mm2/s 65
83
Thermal Shock Resistance, points 16 to 17
5.6 to 11

Alloy Composition

Aluminum (Al), % 94.6 to 98
97.5 to 99
Chromium (Cr), % 0 to 0.1
0 to 0.050
Copper (Cu), % 0.15 to 0.4
0 to 0.1
Iron (Fe), % 0 to 0.5
0.15 to 0.35
Magnesium (Mg), % 0.5 to 1.2
0.6 to 0.9
Manganese (Mn), % 0.4 to 1.0
0 to 0.15
Silicon (Si), % 1.0 to 1.7
0.3 to 0.6
Titanium (Ti), % 0 to 0.15
0 to 0.1
Zinc (Zn), % 0 to 0.25
0 to 0.15
Residuals, % 0
0 to 0.15

Comparable Variants