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B443.0 Aluminum vs. 4047 Aluminum

Both B443.0 aluminum and 4047 aluminum are aluminum alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have a moderately high 93% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is B443.0 aluminum and the bottom bar is 4047 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
72
Elongation at Break, % 4.9
3.4
Fatigue Strength, MPa 55
45
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
27
Shear Strength, MPa 110
69
Tensile Strength: Ultimate (UTS), MPa 150
120
Tensile Strength: Yield (Proof), MPa 50
64

Thermal Properties

Latent Heat of Fusion, J/g 470
570
Maximum Temperature: Mechanical, °C 170
160
Melting Completion (Liquidus), °C 620
580
Melting Onset (Solidus), °C 600
580
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 150
130
Thermal Expansion, µm/m-K 22
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 38
33
Electrical Conductivity: Equal Weight (Specific), % IACS 130
120

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.7
2.5
Embodied Carbon, kg CO2/kg material 8.0
7.7
Embodied Energy, MJ/kg 150
140
Embodied Water, L/kg 1130
1050

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.6
3.5
Resilience: Unit (Modulus of Resilience), kJ/m3 18
28
Stiffness to Weight: Axial, points 15
16
Stiffness to Weight: Bending, points 52
55
Strength to Weight: Axial, points 15
13
Strength to Weight: Bending, points 23
21
Thermal Diffusivity, mm2/s 61
59
Thermal Shock Resistance, points 6.8
5.6

Alloy Composition

Aluminum (Al), % 91.9 to 95.5
85.3 to 89
Copper (Cu), % 0 to 0.15
0 to 0.3
Iron (Fe), % 0 to 0.8
0 to 0.8
Magnesium (Mg), % 0 to 0.050
0 to 0.1
Manganese (Mn), % 0 to 0.35
0 to 0.15
Silicon (Si), % 4.5 to 6.0
11 to 13
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.35
0 to 0.2
Residuals, % 0
0 to 0.15