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333.0-T6 Aluminum vs. 851.0-T6 Aluminum

Both 333.0-T6 aluminum and 851.0-T6 aluminum are aluminum alloys. Both are furnished in the T6 temper. They have 90% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is 333.0-T6 aluminum and the bottom bar is 851.0-T6 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
69
Elongation at Break, % 1.5
9.1
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 28
26
Tensile Strength: Ultimate (UTS), MPa 280
140

Thermal Properties

Latent Heat of Fusion, J/g 520
410
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 590
630
Melting Onset (Solidus), °C 530
360
Specific Heat Capacity, J/kg-K 880
850
Thermal Conductivity, W/m-K 120
180
Thermal Expansion, µm/m-K 21
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
46
Electrical Conductivity: Equal Weight (Specific), % IACS 92
140

Otherwise Unclassified Properties

Base Metal Price, % relative 10
14
Density, g/cm3 2.8
3.1
Embodied Carbon, kg CO2/kg material 7.6
8.4
Embodied Energy, MJ/kg 140
160
Embodied Water, L/kg 1040
1140

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
45
Strength to Weight: Axial, points 27
13
Strength to Weight: Bending, points 34
20
Thermal Diffusivity, mm2/s 47
69
Thermal Shock Resistance, points 13
6.3

Alloy Composition

Aluminum (Al), % 81.8 to 89
86.6 to 91.5
Copper (Cu), % 3.0 to 4.0
0.7 to 1.3
Iron (Fe), % 0 to 1.0
0 to 0.7
Magnesium (Mg), % 0.050 to 0.5
0 to 0.1
Manganese (Mn), % 0 to 0.5
0 to 0.1
Nickel (Ni), % 0 to 0.5
0.3 to 0.7
Silicon (Si), % 8.0 to 10
2.0 to 3.0
Tin (Sn), % 0
5.5 to 7.0
Titanium (Ti), % 0 to 0.25
0 to 0.2
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0
0 to 0.3