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705.0 Aluminum vs. 296.0 Aluminum

Both 705.0 aluminum and 296.0 aluminum are aluminum alloys. 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 (1, in this case) are not shown.

For each property being compared, the top bar is 705.0 aluminum and the bottom bar is 296.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 62 to 65
75 to 90
Elastic (Young's, Tensile) Modulus, GPa 69
72
Elongation at Break, % 8.4 to 10
3.2 to 7.1
Fatigue Strength, MPa 63 to 98
47 to 70
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
27
Tensile Strength: Ultimate (UTS), MPa 240 to 260
260 to 270
Tensile Strength: Yield (Proof), MPa 130
120 to 180

Thermal Properties

Latent Heat of Fusion, J/g 390
420
Maximum Temperature: Mechanical, °C 180
170
Melting Completion (Liquidus), °C 640
630
Melting Onset (Solidus), °C 610
540
Specific Heat Capacity, J/kg-K 890
870
Thermal Conductivity, W/m-K 140
130 to 150
Thermal Expansion, µm/m-K 24
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
33 to 37
Electrical Conductivity: Equal Weight (Specific), % IACS 110
99 to 110

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
11
Density, g/cm3 2.8
3.0
Embodied Carbon, kg CO2/kg material 8.4
7.8
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1170
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 18 to 20
7.6 to 15
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 130
110 to 220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
46
Strength to Weight: Axial, points 24 to 26
24 to 25
Strength to Weight: Bending, points 31 to 32
30 to 31
Thermal Diffusivity, mm2/s 55
51 to 56
Thermal Shock Resistance, points 11
12

Alloy Composition

Aluminum (Al), % 92.3 to 98.6
89 to 94
Chromium (Cr), % 0 to 0.4
0
Copper (Cu), % 0 to 0.2
4.0 to 5.0
Iron (Fe), % 0 to 0.8
0 to 1.2
Magnesium (Mg), % 1.4 to 1.8
0 to 0.050
Manganese (Mn), % 0 to 0.6
0 to 0.35
Nickel (Ni), % 0
0 to 0.35
Silicon (Si), % 0 to 0.2
2.0 to 3.0
Titanium (Ti), % 0 to 0.25
0 to 0.25
Zinc (Zn), % 0 to 3.3
0 to 0.5
Residuals, % 0
0 to 0.35