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850.0 Aluminum vs. 7049 Aluminum

Both 850.0 aluminum and 7049 aluminum are aluminum alloys. They have 89% of their average alloy composition in common. There are 31 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 850.0 aluminum and the bottom bar is 7049 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 45
140
Elastic (Young's, Tensile) Modulus, GPa 69
70
Elongation at Break, % 7.9
6.2 to 7.0
Fatigue Strength, MPa 59
160 to 170
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
27
Shear Strength, MPa 100
300 to 310
Tensile Strength: Ultimate (UTS), MPa 140
510 to 530
Tensile Strength: Yield (Proof), MPa 76
420 to 450

Thermal Properties

Latent Heat of Fusion, J/g 380
370
Maximum Temperature: Mechanical, °C 190
180
Melting Completion (Liquidus), °C 650
640
Melting Onset (Solidus), °C 370
480
Specific Heat Capacity, J/kg-K 850
860
Thermal Conductivity, W/m-K 180
130
Thermal Expansion, µm/m-K 23
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 47
36
Electrical Conductivity: Equal Weight (Specific), % IACS 140
110

Otherwise Unclassified Properties

Base Metal Price, % relative 14
10
Density, g/cm3 3.1
3.1
Embodied Carbon, kg CO2/kg material 8.5
8.1
Embodied Energy, MJ/kg 160
140
Embodied Water, L/kg 1160
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.1
31 to 34
Resilience: Unit (Modulus of Resilience), kJ/m3 42
1270 to 1440
Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 44
45
Strength to Weight: Axial, points 12
46 to 47
Strength to Weight: Bending, points 19
46 to 47
Thermal Diffusivity, mm2/s 69
51
Thermal Shock Resistance, points 6.1
22 to 23

Alloy Composition

Aluminum (Al), % 88.3 to 93.1
85.7 to 89.5
Chromium (Cr), % 0
0.1 to 0.22
Copper (Cu), % 0.7 to 1.3
1.2 to 1.9
Iron (Fe), % 0 to 0.7
0 to 0.35
Magnesium (Mg), % 0 to 0.1
2.0 to 2.9
Manganese (Mn), % 0 to 0.1
0 to 0.2
Nickel (Ni), % 0.7 to 1.3
0
Silicon (Si), % 0 to 0.7
0 to 0.25
Tin (Sn), % 5.5 to 7.0
0
Titanium (Ti), % 0 to 0.2
0 to 0.1
Zinc (Zn), % 0
7.2 to 8.2
Residuals, % 0
0 to 0.15