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B443.0 Aluminum vs. 771.0 Aluminum

Both B443.0 aluminum and 771.0 aluminum are aluminum alloys. They have a moderately high 92% 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 B443.0 aluminum and the bottom bar is 771.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 43
85 to 120
Elastic (Young's, Tensile) Modulus, GPa 70
70
Elongation at Break, % 4.9
1.7 to 6.5
Fatigue Strength, MPa 55
92 to 180
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
26
Tensile Strength: Ultimate (UTS), MPa 150
250 to 370
Tensile Strength: Yield (Proof), MPa 50
210 to 350

Thermal Properties

Latent Heat of Fusion, J/g 470
380
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 620
630
Melting Onset (Solidus), °C 600
620
Solidification (Pattern Maker's) Shrinkage, % 1.3
1.6
Specific Heat Capacity, J/kg-K 900
870
Thermal Conductivity, W/m-K 150
140 to 150
Thermal Expansion, µm/m-K 22
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 38
27
Electrical Conductivity: Equal Weight (Specific), % IACS 130
82

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.6
4.4 to 20
Resilience: Unit (Modulus of Resilience), kJ/m3 18
310 to 900
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 52
46
Strength to Weight: Axial, points 15
23 to 35
Strength to Weight: Bending, points 23
29 to 39
Thermal Diffusivity, mm2/s 61
54 to 58
Thermal Shock Resistance, points 6.8
11 to 16

Alloy Composition


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Aluminum (Al), % 91.9 to 95.5
90.5 to 92.5
Chromium (Cr), % 0
0.060 to 0.2
Copper (Cu), % 0 to 0.15
0 to 0.1
Iron (Fe), % 0 to 0.8
0 to 0.15
Magnesium (Mg), % 0 to 0.050
0.8 to 1.0
Manganese (Mn), % 0 to 0.35
0 to 0.1
Silicon (Si), % 4.5 to 6.0
0 to 0.15
Titanium (Ti), % 0 to 0.25
0.1 to 0.2
Zinc (Zn), % 0 to 0.35
6.5 to 7.5
Residuals, % 0 to 0.15
0 to 0.15