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771.0-T6 Aluminum vs. EN AC-46400-T6

Both 771.0-T6 aluminum and EN AC-46400-T6 are aluminum alloys. Both are furnished in the T6 temper. 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 771.0-T6 aluminum and the bottom bar is EN AC-46400-T6.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 90
120
Elastic (Young's, Tensile) Modulus, GPa 70
72
Elongation at Break, % 6.5
1.7
Fatigue Strength, MPa 99
85
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 26
27
Tensile Strength: Ultimate (UTS), MPa 320
310
Tensile Strength: Yield (Proof), MPa 270
270

Thermal Properties

Latent Heat of Fusion, J/g 380
520
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 630
610
Melting Onset (Solidus), °C 620
570
Specific Heat Capacity, J/kg-K 870
890
Thermal Conductivity, W/m-K 140
130
Thermal Expansion, µm/m-K 24
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
33
Electrical Conductivity: Equal Weight (Specific), % IACS 82
110

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 3.0
2.7
Embodied Carbon, kg CO2/kg material 8.0
7.8
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1130
1070

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20
4.9
Resilience: Unit (Modulus of Resilience), kJ/m3 530
500
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 46
52
Strength to Weight: Axial, points 30
32
Strength to Weight: Bending, points 35
38
Thermal Diffusivity, mm2/s 54
55
Thermal Shock Resistance, points 14
14

Alloy Composition


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Aluminum (Al), % 90.5 to 92.5
85.4 to 90.5
Chromium (Cr), % 0.060 to 0.2
0
Copper (Cu), % 0 to 0.1
0.8 to 1.3
Iron (Fe), % 0 to 0.15
0 to 0.8
Lead (Pb), % 0
0 to 0.1
Magnesium (Mg), % 0.8 to 1.0
0.25 to 0.65
Manganese (Mn), % 0 to 0.1
0.15 to 0.55
Nickel (Ni), % 0
0 to 0.2
Silicon (Si), % 0 to 0.15
8.3 to 9.7
Tin (Sn), % 0
0 to 0.1
Titanium (Ti), % 0.1 to 0.2
0 to 0.2
Zinc (Zn), % 6.5 to 7.5
0 to 0.8
Residuals, % 0 to 0.15
0 to 0.25