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383.0 Aluminum vs. 705.0 Aluminum

Both 383.0 aluminum and 705.0 aluminum are aluminum alloys. They have 87% 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 383.0 aluminum and the bottom bar is 705.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 75
62 to 65
Elastic (Young's, Tensile) Modulus, GPa 73
69
Elongation at Break, % 3.5
8.4 to 10
Fatigue Strength, MPa 150
63 to 98
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 28
26
Tensile Strength: Ultimate (UTS), MPa 280
240 to 260
Tensile Strength: Yield (Proof), MPa 150
130

Thermal Properties

Latent Heat of Fusion, J/g 540
390
Maximum Temperature: Mechanical, °C 170
180
Melting Completion (Liquidus), °C 580
640
Melting Onset (Solidus), °C 540
610
Specific Heat Capacity, J/kg-K 880
890
Thermal Conductivity, W/m-K 96
140
Thermal Expansion, µm/m-K 21
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 23
34
Electrical Conductivity: Equal Weight (Specific), % IACS 74
110

Otherwise Unclassified Properties

Base Metal Price, % relative 10
9.5
Density, g/cm3 2.8
2.8
Embodied Carbon, kg CO2/kg material 7.5
8.4
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 1030
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.2
18 to 20
Resilience: Unit (Modulus of Resilience), kJ/m3 150
120 to 130
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 50
49
Strength to Weight: Axial, points 28
24 to 26
Strength to Weight: Bending, points 34
31 to 32
Thermal Diffusivity, mm2/s 39
55
Thermal Shock Resistance, points 13
11

Alloy Composition


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Aluminum (Al), % 79.7 to 88.5
92.3 to 98.6
Chromium (Cr), % 0
0 to 0.4
Copper (Cu), % 2.0 to 3.0
0 to 0.2
Iron (Fe), % 0 to 1.3
0 to 0.8
Magnesium (Mg), % 0 to 0.1
1.4 to 1.8
Manganese (Mn), % 0 to 0.5
0 to 0.6
Nickel (Ni), % 0 to 0.3
0
Silicon (Si), % 9.5 to 11.5
0 to 0.2
Tin (Sn), % 0 to 0.15
0
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0 to 3.0
0 to 3.3
Residuals, % 0 to 0.5
0 to 0.15