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B443.0 Aluminum vs. 712.0 Aluminum

Both B443.0 aluminum and 712.0 aluminum are aluminum alloys. They have a moderately high 93% of their average alloy composition in common.

For each property being compared, the top bar is B443.0 aluminum and the bottom bar is 712.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 43
75 to 90
Elastic (Young's, Tensile) Modulus, GPa 70
70
Elongation at Break, % 4.9
4.5 to 4.7
Fatigue Strength, MPa 55
140 to 180
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
27
Shear Strength, MPa 110
180
Tensile Strength: Ultimate (UTS), MPa 150
250 to 260
Tensile Strength: Yield (Proof), MPa 50
180 to 200

Thermal Properties

Latent Heat of Fusion, J/g 470
380
Maximum Temperature: Mechanical, °C 170
190
Melting Completion (Liquidus), °C 620
640
Melting Onset (Solidus), °C 600
610
Solidification (Pattern Maker's) Shrinkage, % 1.3
1.6
Specific Heat Capacity, J/kg-K 900
870
Thermal Conductivity, W/m-K 150
160
Thermal Expansion, µm/m-K 22
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 38
40
Electrical Conductivity: Equal Weight (Specific), % IACS 130
120

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
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.6
11
Resilience: Unit (Modulus of Resilience), kJ/m3 18
240 to 270
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 52
46
Strength to Weight: Axial, points 15
24 to 25
Strength to Weight: Bending, points 23
30 to 31
Thermal Diffusivity, mm2/s 61
62
Thermal Shock Resistance, points 6.8
11

Alloy Composition


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Aluminum (Al), % 91.9 to 95.5
90.7 to 94
Chromium (Cr), % 0
0.4 to 0.6
Copper (Cu), % 0 to 0.15
0 to 0.25
Iron (Fe), % 0 to 0.8
0 to 0.5
Magnesium (Mg), % 0 to 0.050
0.5 to 0.65
Manganese (Mn), % 0 to 0.35
0 to 0.1
Silicon (Si), % 4.5 to 6.0
0 to 0.3
Titanium (Ti), % 0 to 0.25
0.15 to 0.25
Zinc (Zn), % 0 to 0.35
5.0 to 6.5
Residuals, % 0 to 0.15
0 to 0.2