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4004 Aluminum vs. 705.0 Aluminum

Both 4004 aluminum and 705.0 aluminum are aluminum alloys. They have a moderately high 90% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is 4004 aluminum and the bottom bar is 705.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
69
Elongation at Break, % 2.4
8.4 to 10
Fatigue Strength, MPa 42
63 to 98
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
26
Tensile Strength: Ultimate (UTS), MPa 110
240 to 260
Tensile Strength: Yield (Proof), MPa 60
130

Thermal Properties

Latent Heat of Fusion, J/g 540
390
Maximum Temperature: Mechanical, °C 160
180
Melting Completion (Liquidus), °C 600
640
Melting Onset (Solidus), °C 560
610
Specific Heat Capacity, J/kg-K 910
890
Thermal Conductivity, W/m-K 130
140
Thermal Expansion, µm/m-K 22
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
34
Electrical Conductivity: Equal Weight (Specific), % IACS 120
110

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.6
2.8
Embodied Carbon, kg CO2/kg material 8.0
8.4
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1070
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.3
18 to 20
Resilience: Unit (Modulus of Resilience), kJ/m3 25
120 to 130
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 54
49
Strength to Weight: Axial, points 12
24 to 26
Strength to Weight: Bending, points 20
31 to 32
Thermal Diffusivity, mm2/s 58
55
Thermal Shock Resistance, points 5.1
11

Alloy Composition

Aluminum (Al), % 86 to 90
92.3 to 98.6
Chromium (Cr), % 0
0 to 0.4
Copper (Cu), % 0 to 0.25
0 to 0.2
Iron (Fe), % 0 to 0.8
0 to 0.8
Magnesium (Mg), % 1.0 to 2.0
1.4 to 1.8
Manganese (Mn), % 0 to 0.1
0 to 0.6
Silicon (Si), % 9.0 to 10.5
0 to 0.2
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0 to 0.2
0 to 3.3
Residuals, % 0 to 0.15
0 to 0.15