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B443.0 Aluminum vs. A356.0 Aluminum

Both B443.0 aluminum and A356.0 aluminum are aluminum alloys. They have a very high 98% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is B443.0 aluminum and the bottom bar is A356.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
70
Elongation at Break, % 4.9
3.0 to 6.0
Fatigue Strength, MPa 55
50 to 90
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
26
Tensile Strength: Ultimate (UTS), MPa 150
160 to 270
Tensile Strength: Yield (Proof), MPa 50
83 to 200

Thermal Properties

Latent Heat of Fusion, J/g 470
500
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 620
610
Melting Onset (Solidus), °C 600
570
Solidification (Pattern Maker's) Shrinkage, % 1.3
1.3
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 150
150
Thermal Expansion, µm/m-K 22
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 38
40
Electrical Conductivity: Equal Weight (Specific), % IACS 130
140

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.7
2.6
Embodied Carbon, kg CO2/kg material 8.0
8.0
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1130
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.6
4.8 to 15
Resilience: Unit (Modulus of Resilience), kJ/m3 18
49 to 300
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 52
53
Strength to Weight: Axial, points 15
17 to 29
Strength to Weight: Bending, points 23
25 to 36
Thermal Diffusivity, mm2/s 61
64
Thermal Shock Resistance, points 6.8
7.6 to 13

Alloy Composition


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Aluminum (Al), % 91.9 to 95.5
91.1 to 93.3
Copper (Cu), % 0 to 0.15
0 to 0.2
Iron (Fe), % 0 to 0.8
0 to 0.2
Magnesium (Mg), % 0 to 0.050
0.25 to 0.45
Manganese (Mn), % 0 to 0.35
0 to 0.1
Silicon (Si), % 4.5 to 6.0
6.5 to 7.5
Titanium (Ti), % 0 to 0.25
0 to 0.2
Zinc (Zn), % 0 to 0.35
0 to 0.1
Residuals, % 0 to 0.15
0 to 0.15