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7204 Aluminum vs. 851.0 Aluminum

Both 7204 aluminum and 851.0 aluminum are aluminum alloys. 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 (6, in this case) are not shown.

For each property being compared, the top bar is 7204 aluminum and the bottom bar is 851.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
69
Elongation at Break, % 11 to 13
3.9 to 9.1
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Tensile Strength: Ultimate (UTS), MPa 220 to 380
130 to 140

Thermal Properties

Latent Heat of Fusion, J/g 380
410
Maximum Temperature: Mechanical, °C 210
180
Melting Completion (Liquidus), °C 640
630
Melting Onset (Solidus), °C 520
360
Specific Heat Capacity, J/kg-K 880
850
Thermal Conductivity, W/m-K 150
180
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 39
46
Electrical Conductivity: Equal Weight (Specific), % IACS 120
140

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
14
Density, g/cm3 2.9
3.1
Embodied Carbon, kg CO2/kg material 8.4
8.4
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1140
1140

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 47
45
Strength to Weight: Axial, points 21 to 36
12 to 13
Strength to Weight: Bending, points 28 to 40
19 to 20
Thermal Diffusivity, mm2/s 58
69
Thermal Shock Resistance, points 9.4 to 16
6.1 to 6.3

Alloy Composition

Aluminum (Al), % 90.5 to 94.8
86.6 to 91.5
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.2
0.7 to 1.3
Iron (Fe), % 0 to 0.35
0 to 0.7
Magnesium (Mg), % 1.0 to 2.0
0 to 0.1
Manganese (Mn), % 0.2 to 0.7
0 to 0.1
Nickel (Ni), % 0
0.3 to 0.7
Silicon (Si), % 0 to 0.3
2.0 to 3.0
Tin (Sn), % 0
5.5 to 7.0
Titanium (Ti), % 0 to 0.2
0 to 0.2
Vanadium (V), % 0 to 0.1
0
Zinc (Zn), % 4.0 to 5.0
0
Zirconium (Zr), % 0 to 0.25
0
Residuals, % 0
0 to 0.3

Comparable Variants